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OE Match
OE Match for Porsche
OE Match is a brand that provides a wide range of Porsche components, from gaskets to suspension hardware, engine parts, and interior trim. Over 6,700 individual part numbers, and over 11,800 OE cross-references catalogued, and are constantly developing new lines.OE Match has over 100 new products currently in the engineering phase, which will be quality-controlled and added to their catalog. The mission is to keep all Porsche vehicles on the road by offering a vast selection of parts that can address various problems across different Porsche generations
A Quick Look at OE Match
OE Match information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.
Choosing the Right Fit for Your Porsche
Where OE Match is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.
- Often chosen when owners want OE-equivalent quality with sensible running costs, especially for routine service and wear items.
- Typical reasons to replace include restoring reliability, addressing age-related wear, or refreshing multiple components during larger repair work.
- Common defects from incorrect application include noise, premature wear, leaks, or fitment quirks if the wrong variant is selected or fitted with old seals/hardware.
- Watch for symptoms such as unusual noises, early wear, or repeat failures after recent work, which can indicate mismatched parts or supporting items left worn.
- Always cross-check OEM part numbers, read model-year notes, and verify compatibility before ordering.
- For safety-critical components, confirm specification and fitment carefully and have installation checked by a competent technician.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.
Brakes — Brake components are renewed to restore stopping performance, address wear or upgrade a Porsche for fast road or track use. Common symptoms include vibration under braking, longer stopping distances, squealing, pulling to one side, warning lights and visible wear to discs and pads.
Brake Pad Wear Sensors — Brake pad wear sensors are replaced when pads are renewed or when warning lights indicate a broken or worn sensor. Symptoms include brake wear warnings even with new pads, damaged sensor cables, or broken clips around the caliper area.
Engine Electrical — Engine electrical parts are changed when there are starting, charging, ignition, or sensor-related faults that affect drivability and reliability, such as intermittent no-start, misfires, rough idle, poor charging, warning lights or heat-soak failures.
Service Parts — Service parts are replaced as routine maintenance to keep the engine and systems reliable, efficient, and protected, often resolving hard starting, rough idle, poor fuel economy and warning lights caused by clogged filters or worn ignition components.
Service Kits — Service kits bundle key service components to simplify maintenance and set the car back to a known baseline, especially useful when catching up on overdue servicing or dealing with general sluggish running, inconsistent idle and reduced performance.
- For brake parts, confirm whether items are OE-equivalent replacements or performance upgrades and check if new fitting kits and sensors are required.
- On service items and kits, match the kit to your exact Porsche model, engine and year, and review what is included so you can add any extra “while you are there” parts.
Explore OE Match at Design911
View the current OE Match range for Porsche at Design911, then filter by model and category to narrow down to the right parts.
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 914 (1970-1976)
This OE match accelerator pedal rubber is a direct replacement for the original Porsche component fitted to early 911 and 914 models. It forms the contact surface between the driver’s foot and the accelerator pedal.
Fits:
Porsche 911 1965 - 1976
Porsche 914 1970 - 1976
Installed as part of the accelerator pedal assembly, it restores both functionality and the original driving feel expected from classic Porsche vehicles. It is particularly important for maintaining correct pedal response and driver control.
This pedal rubber provides a non-slip surface for the driver’s foot, allowing precise control of throttle input. It ensures smooth acceleration and improved driving safety by maintaining consistent pedal grip and responsiveness.
Function
• Provides grip for accelerator pedal operation
• Transfers driver input to throttle system
• Ensures smooth and controlled acceleration
• Reduces foot slippage during driving
• Withstands repeated use and heat exposure
Over time, pedal rubber can wear down, harden, or become slippery, reducing control and comfort. A worn pedal may lead to inconsistent throttle response or reduced driver confidence. Replacing it restores proper grip, improves driving precision, and maintains the original feel of the vehicle.
When to Replace
• Rubber is worn smooth or slippery
• Visible cracking or deterioration
• Reduced grip during acceleration
• Pedal feels loose or uneven underfoot
• During interior restoration or pedal overhaul
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90142301001
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The accelerator pedal (or pedal pad/cover assembly) is designed to replicate the original pedal used on Porsche 911 (G-series) and Porsche 928 models. Built to match Porsche’s original specifications, this pedal delivers correct ergonomics, reliable mounting, secure grip and direct-fit installation.
Fits:
Porsche 911 1977 - 1989
Porsche 928 1978 - 1995 all models
Diagram ref no 1
• Position on Vehicle: Driver’s footwell - accelerator pedal connecting to throttle linkage or cable (depending on spec), mounted in the footwell pedal cluster (alongside brake and clutch pedals).
• Function: Provides the interface between driver and throttle - allows foot control of engine throttle, enabling acceleration; ensures stable, correct pedal travel, grip, positioning and control feedback for safe, responsive driving.
• Applications: Ideal when the original pedal is worn, bent, missing, rubber pad degraded or if restoring a classic Porsche to correct interior spec. Also suited for owners seeking reliable, direct-fit replacement without modification.
Over time, the accelerator pedal assembly can suffer from wear, corrosion, pad deterioration or damage - leading to:
• Slippery or degraded pedal surface, risking foot slip under acceleration
• Inconsistent throttle control or poor feedback
• Altered pedal geometry affecting ergonomics and comfort
• Safety issues in slippery or demanding driving conditions
Replacing a pedal ensures secure foot contact, original pedal feel, safe throttle control and preserves the authenticity of your classic Porsche’s driving dynamics.
When to replace:
• The original pedal pad is worn, cracked or missing
• Pedal arm is bent, loose or shows signs of corrosion
• Pedal cluster refurbishment or interior restoration is being carried out
• You are reinstalling or repairing the throttle linkages and want all components fresh for reliability
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91142311102
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
This needle roller bearing, also known as a needle cage bearing, is used in the Porsche 915 type manual transmission. In the gearbox, needle roller bearings support and permit rotation of internal components by minimizing friction between moving parts.
Fits:
Porsche 911 1974 - 1986 4 & 5 speed
Diagram Ref no 7.
This OE Match version meets original specification dimensions and tolerances to ensure proper fit and function when replacing worn or damaged bearings.
The needle roller bearing provides smooth rotational support for transmission shafts and gears. It helps reduce friction and wear between the main shaft and the transmission housing or gear assemblies, allowing gearsets to spin freely and reliably under load. This results in consistent gear engagement, reduced drivetrain stress, and a smoother shifting experience.
Function
• Friction Reduction: Needle rollers reduce surface contact friction between rotating components.
• Load Handling: Supports radial loads within the transmission at critical gear positions.
• Smooth Operation: Promotes precise and efficient gear movement with minimal resistance.
• Long Service Life: Engineered to resist wear and maintain structural integrity under continued transmission stresses.
Over time, the original needle roller bearings can become worn, leading to increased friction, gear noise, and premature wear of transmission components. A failing bearing may cause rough shifting, gear chatter, or accelerated gearbox wear. Replacing the worn bearing with an OE Match part ensures proper internal support, restores smooth gearbox operation, and helps protect more expensive transmission components from damage.
Replace this bearing if you notice:
• Unusual gearbox noise, especially when changing gears
• Rough or notchy shifting feel
• Vibration or unusual resonance from the transmission
• Sluggish gear engagement
• During full gearbox rebuild or overhaul
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99920147000
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
3rd / 4th Gear Dog Teeth
Restore precise shifting performance and gearbox reliability
with this OE Match 3rd / 4th Gear Dog Teeth Ring designed for Porsche 911 Turbo (930) models produced
between 1975 and 1988. As a vital component within the synchroniser assembly,
the dog teeth ring allows smooth engagement of 3rd and 4th gears, helping
maintain the crisp shifting characteristics expected from the legendary Porsche
Turbo transmission.
Fits:
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1988 3.3L Turbo (930)
Diagram Ref no 32 & 34
Manufactured to OE specifications, this replacement dog teeth ring provides accurate machining, correct tooth geometry and exceptional durability for transmission rebuilds, restorations and performance maintenance. Whether you're rebuilding a worn gearbox or restoring a classic Porsche 930 to factory standards, replacing worn dog teeth is essential for preserving smooth gear selection and transmission longevity.
What Do 3rd / 4th Gear Dog Teeth Do?
The dog teeth ring forms an integral part of the Porsche 930 synchroniser assembly. Mounted to the gear, it provides the engagement interface between the gear and the synchroniser operating sleeve.
During a gear change, the synchroniser system matches rotational speeds between components before the operating sleeve engages the dog teeth, locking the selected gear to the shaft and transmitting engine power through the transmission.
The dog teeth help:
- Enable smooth engagement of 3rd and 4th gears.
- Provide positive gear locking during operation.
- Reduce gear clash during shifting.
- Improve gear change precision.
- Support synchroniser operation.
- Maintain reliable gearbox performance under load.
Properly functioning dog teeth are essential for preserving the smooth shift quality and driving enjoyment of the Porsche 930 transmission.
Why Do 3rd / 4th Gear Dog Teeth Fail?
Over time, repeated gear changes gradually wear the engagement surfaces of the dog teeth. As wear increases, gear engagement quality deteriorates and additional stress is placed on the synchroniser assembly.
Common causes of failure include:
- High mileage wear.
- Aggressive driving and fast shifting.
- Worn synchroniser rings.
- Gear grinding during engagement.
- Contaminated gearbox oil.
- Inadequate transmission maintenance.
- Excessive drivetrain loads from turbocharged performance.
- Age-related metal fatigue.
Third and fourth gears often see frequent use during normal road driving and higher-speed operation, making their synchroniser components susceptible to long-term wear.
When Should 3rd / 4th Gear Dog Teeth Be Replaced?
Dog teeth should be inspected whenever the gearbox is
dismantled or rebuilt. Replacement is recommended if you experience:
- Difficulty engaging 3rd or 4th gear.
- Gear crunching or grinding during shifts.
- Rounded, hooked or worn engagement teeth.
- Excessive synchroniser wear.
- Poor shift quality.
- Visible damage or chipping.
- Transmission rebuild requirements.
Most Porsche transmission specialists replace worn dog teeth alongside synchroniser rings, guide hubs and operating sleeves during gearbox overhauls to ensure optimal shifting performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030224300
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
2nd Gear Dog Teeth
Restore precise gear engagement and transmission performance
with this OE Match 2nd Gear Dog Teeth Ring designed for Porsche 911 turbo (930) models produced between 1977
and 1988. As a critical component of the synchroniser assembly, the dog teeth
ring allows smooth and reliable engagement of 2nd gear, helping maintain the
shifting quality and driving characteristics expected from the legendary
Porsche Turbo drivetrain.
Fits:
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1988 3.3L Turbo (930)
Diagram Ref no 35
Manufactured to OE specifications, this replacement dog teeth ring delivers precise machining, excellent durability and factory-correct fitment. Whether you're rebuilding a Porsche 930 gearbox, addressing synchroniser wear or carrying out a full transmission restoration, replacing worn dog teeth is essential for achieving smooth gear changes and long-term gearbox reliability.
What Do 2nd Gear Dog Teeth Do?
The dog teeth ring is mounted directly to the gear and forms an essential part of the Porsche 930 synchroniser system. During a gear change, the synchroniser assembly matches the rotational speed of the selected gear before the operating sleeve engages the dog teeth to lock the gear to the shaft.
The dog teeth perform several vital functions:
- Enable smooth engagement of 2nd gear.
- Provide the engagement surface for the operating sleeve.
- Help synchronise gear speeds during shifting.
- Reduce gear clash and transmission wear.
- Maintain precise gear selection.
- Support reliable gearbox operation under load.
In the high-torque Porsche 930 transmission, properly functioning dog teeth are critical for maintaining shift quality and preventing excessive wear to other synchroniser components.
Why Do 2nd Gear Dog Teeth Fail?
Dog teeth are subjected to repeated impact loads during every gear change. Over time, wear gradually alters the shape of the engagement teeth, reducing their effectiveness and causing shifting issues.
Common causes of failure include:
- High mileage transmission wear.
- Aggressive shifting and rapid gear changes.
- Worn synchroniser rings.
- Poor gearbox lubrication.
- Contaminated transmission oil.
- Excessive drivetrain loading.
- Gear grinding during engagement.
- Age-related wear and fatigue.
Second gear is one of the most frequently used gears during normal driving, making its synchroniser and dog teeth assembly particularly vulnerable to long-term wear.
When Should 2nd Gear Dog Teeth Be Replaced?
The dog teeth ring should always be inspected whenever the
gearbox is dismantled. Replacement is recommended if you notice:
- Difficulty engaging 2nd gear.
- Crunching or grinding during shifts.
- Rounded or hooked engagement teeth.
- Gear engagement becoming increasingly notchy.
- Visible wear, chipping or damage.
- Excessive synchroniser wear.
- Transmission rebuild requirements.
Most Porsche gearbox specialists recommend replacing worn dog teeth during transmission overhauls to restore smooth shifting and protect other synchroniser components from premature wear.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030224200
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)
Dog Teeth 1st Gear (Asymmetrical Teeth)
Restore crisp gear engagement and transmission performance
with this OE Match 1st Gear Dog Teeth Ring, designed for Porsche 911 turbo (930) models produced between
1977 and 1988. Featuring the correct asymmetrical tooth profile used in the
Porsche 930 gearbox, this critical synchroniser component plays a key role in
ensuring smooth and reliable engagement of 1st gear.
Fits:
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref no 48
Manufactured to OE specifications, this replacement dog teeth ring delivers precise machining, correct fitment and long-lasting durability for gearbox rebuilds, restorations and transmission repairs. Whether you're addressing difficult gear engagement, gearbox wear or carrying out a complete transmission overhaul, replacing worn dog teeth is essential for restoring proper shift quality.
What Do 1st Gear Dog Teeth Do?
The dog teeth ring is a fundamental part of the synchroniser assembly within the Porsche 930 gearbox. Mounted to the gear itself, the dog teeth provide the engagement surface that allows the synchroniser operating sleeve to lock the selected gear to the shaft during a gear change.
Working together with the synchroniser ring, guide hub and
operating sleeve, the dog teeth help:
- Enable smooth gear engagement.
- Synchronise gear speeds before engagement.
- Reduce gear clash during shifting.
- Securely lock 1st gear into operation.
- Improve gearbox performance and shift quality.
- Support reliable transmission operation.
The asymmetrical tooth design used in many Porsche 930 gearbox applications was engineered to improve engagement characteristics and durability under the increased torque loads generated by the turbocharged engine.
Why Do Dog Teeth Fail?
Dog teeth are subjected to repeated mechanical impact every time a gear change is performed. Over time, wear gradually alters the tooth profile, reducing engagement quality and increasing synchroniser stress.
Common causes of failure include:
- High mileage gearbox wear.
- Aggressive shifting techniques.
- Repeated poor gear engagement.
- Worn synchroniser rings.
- Transmission oil contamination.
- Excessive gearbox loading.
- Age-related wear and fatigue.
- Incorrect gearbox setup during previous repairs.
First gear dog teeth are particularly susceptible to wear because they experience frequent engagement from stationary starts and low-speed driving.
When Should 1st Gear Dog Teeth Be Replaced?
Dog teeth should always be carefully inspected whenever the
gearbox is dismantled. Replacement is recommended if you notice:
- Difficulty engaging 1st gear.
- Gear crunching during shifts.
- Jumping out of gear.
- Rounded or hooked tooth profiles.
- Excessive wear on synchroniser components.
- Poor shift quality.
- Visible damage or chipping.
During a professional Porsche 930 gearbox rebuild, worn dog teeth are commonly replaced alongside synchroniser rings, guide hubs and operating sleeves to restore factory shift performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030224102
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Synchro Guide Hub 91530240102 1st/2nd Gear – 915 Gearbox
Restore the crisp shifting performance of your classic
Porsche 911 with this OE Match Synchro Guide Hub. Designed specifically for Porsche 911 models fitted with
the legendary 915 gearbox between 1974 and 1986, this precision-engineered
component forms a critical part of the 1st and 2nd gear synchroniser assembly,
helping to ensure smooth gear engagement and reliable transmission operation.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Diagram Ref no 41
Manufactured to OE specifications, this replacement synchro guide hub delivers the correct fit, strength and dimensional accuracy required for professional gearbox rebuilds and classic Porsche restorations. Whether you're addressing worn synchroniser components, improving shift quality or carrying out a complete transmission overhaul, replacing worn guide hubs helps restore factory gear change performance.
What Does the 1st/2nd Gear Synchro Guide Hub Do?
The synchro guide hub is a central component within the Porsche 915 gearbox synchroniser assembly. Located between 1st and 2nd gears, it provides the mounting and guidance structure for the synchroniser mechanism and works in conjunction with the operating sleeve, synchro rings, brake bands and anchor blocks.
Its primary function is to facilitate smooth gear engagement by helping synchronise the rotational speeds of the gears before they lock together.
The guide hub helps:
- Support the synchroniser assembly.
- Control movement of the operating sleeve.
- Facilitate smooth 1st and 2nd gear engagement.
- Reduce gear clash during shifting.
- Maintain accurate gear selection.
- Improve overall gearbox operation and shift quality.
A properly functioning guide hub is essential for preserving the characteristic feel and reliability of the Porsche 915 transmission.
Why Do Synchro Guide Hubs Fail?
Over decades of service, synchroniser components are subjected to constant mechanical stress and repeated gear changes. Wear and fatigue can gradually affect the guide hub and surrounding synchroniser parts.
Common causes of failure include:
Because 1st and 2nd gears are often the most frequently used ratios, the synchroniser assembly in this area of the gearbox is commonly one of the first sections to show wear.
When Should a Synchro Guide Hub Be Replaced?
The synchro guide hub should be inspected whenever the
gearbox is dismantled or rebuilt. Replacement is recommended if you experience:
Difficulty
engaging 1st or 2nd gear.
Most Porsche transmission specialists recommend replacing worn synchroniser components during a gearbox overhaul to ensure consistent performance and maximise gearbox longevity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530240102
The product you are viewing cross references to these numbers
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Built to OEM standards, it fits directly into the clutch release lever to provide friction-free, precise clutch engagement — restoring the feel and performance of your Porsche’s original setup.
Sold each.
Fits:
Porsche 924 Turbo 1976 - 1985
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991
Porsche 968 1992 - 1995
Diagram Ref No 15.
• Location: Inside the clutch release lever, mounted on the clutch release cross shaft.
• Function: Supports the lever’s rotational movement, providing smooth, friction-free clutch actuation.
• Position: Transmission housing area (bellhousing).
Over time, clutch pivot bearings experience wear due to constant motion, heat, and clutch actuation load. A worn or seized bearing can cause:
• Stiff or inconsistent clutch pedal feel
• Clutch disengagement issues or noise
• Accelerated wear of the release lever or shaft
Recommended replacement:
• During clutch or gearbox overhaul
• Whenever the release lever is removed or serviced
• If clutch pedal effort increases or lever play is excessive.
Replacing with an OE Match needle bearing restores factory-smooth clutch action and long-term reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99920121300
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Synchro Guide Sleeve 3rd/4th Gear – 915 Gearbox
Restore the precise shifting performance of your classic
Porsche 911 with this OE Match 3rd/4th Gear Synchro Guide Sleeve, designed
specifically for Porsche 911 models equipped with the renowned 915 gearbox
between 1974 and 1986. As a critical component within the synchroniser
assembly, the guide sleeve helps ensure smooth gear engagement and accurate
gear selection between third and fourth gears.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Diagram Ref no 12
Manufactured to OE specifications, this replacement synchro guide sleeve provides the correct fit, machining accuracy and durability required for Porsche transmission rebuilds and restorations. Whether you are addressing gear selection issues, carrying out a gearbox overhaul or restoring a classic air-cooled 911, replacing worn synchroniser components is essential for maintaining smooth and reliable gear changes.
What Does the 3rd/4th Gear Synchro Guide Sleeve Do?
The synchro guide sleeve is a vital component within the Porsche 915 gearbox synchroniser assembly. It works alongside the synchroniser rings, brake bands, anchor blocks and operating sleeves to allow gears to engage smoothly and without excessive wear.
When a gear change is made, the guide sleeve helps control the movement of the synchroniser mechanism, ensuring rotational speeds between gears are matched before engagement occurs.
The guide sleeve performs several important functions:
- Guides synchroniser operation during gear changes.
- Supports smooth engagement of 3rd and 4th gears.
- Helps synchronise gear speeds before engagement.
- Reduces gear clash and transmission wear.
- Maintains precise gear selection.
- Contributes to the distinctive shifting feel of the Porsche 915 gearbox.
Without a properly functioning guide sleeve, gear engagement quality can deteriorate significantly.
Why Do Synchro Guide Sleeves Fail?
The synchroniser system experiences constant mechanical loading during every gear change. Over time, wear and fatigue can affect the guide sleeve and associated synchroniser components.
Common causes of failure include:
- Wear from repeated shifting cycles.
- Metal fatigue over high mileage.
- Poor lubrication caused by contaminated gearbox oil.
- Aggressive or incorrect shifting techniques.
- Excessive wear in synchroniser assemblies.
- Gearbox overheating.
- General age-related component deterioration.
As many Porsche 911 models equipped with the 915 transmission are now several decades old, wear within the synchroniser system is extremely common and often contributes to poor shift quality.
When Should a Synchro Guide Sleeve Be Replaced?
The synchro guide sleeve should be carefully inspected
whenever the gearbox is dismantled. Replacement is recommended if you
experience:
Difficulty
selecting 3rd or 4th gear.
Most transmission specialists recommend replacing worn synchroniser components during a gearbox overhaul to restore optimal shift quality and prevent premature future wear.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91130240222
The product you are viewing cross references to these numbers
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
Clutch Release Lever
Restore smooth and precise clutch operation with this OE
Match Clutch Release Lever, specifically for Porsche 944 turbo (951) models produced between 1985
and 1991. As a critical component within the clutch actuation system, the
release lever transfers movement from the clutch release mechanism to the
release bearing, allowing the clutch to disengage correctly during gear
changes.
Fits:
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
Diagram ref no 14
Manufactured to OE specifications, this replacement clutch release lever delivers the correct geometry, strength and durability required for the high-performance drivetrain of the Porsche 944 Turbo. Whether you're carrying out a clutch replacement, gearbox rebuild or complete drivetrain restoration, replacing worn clutch mechanism components helps ensure smooth operation and long-term reliability.
What Does the Clutch Release Lever Do?
The clutch release lever, often referred to as a clutch fork or release arm, plays a vital role within the Porsche 944 Turbo clutch system.
When the clutch pedal is pressed, hydraulic pressure operates the clutch release mechanism. The release lever then transfers this force to the release bearing, which disengages the clutch pressure plate from the clutch disc, allowing smooth gear changes without transmitting engine power to the transmission.
The clutch release lever helps:
- Transfer force from the clutch actuation system.
- Operate the clutch release bearing.
- Enable smooth gear engagement and shifting.
- Ensure consistent clutch pedal feel.
- Support efficient clutch disengagement and engagement.
- Maintain proper clutch system geometry.
Without a properly functioning release lever, clutch operation can become inconsistent, difficult or completely ineffective.
Why Do Clutch Release Levers Fail?
Although manufactured from durable steel, clutch release levers are subjected to constant mechanical loads throughout their service life. Over time, wear and fatigue can develop.
Common causes of failure include:
- Wear at pivot and contact points.
- Fatigue from repeated clutch operation.
- Excessive load caused by heavy clutch assemblies.
- Distortion resulting from clutch system failure.
- Corrosion from age and environmental exposure.
- Poor lubrication of moving components.
- Wear caused by damaged release bearings or guide tubes.
As Porsche 944 turbo models continue to age, original clutch mechanism components may show significant wear even if the clutch itself has been replaced previously.
When Should the Clutch Release Lever Be Replaced?
The clutch release lever should be inspected whenever the
transmission is removed or clutch components are serviced. Replacement is
recommended if you notice:
- Excessive wear at pivot points.
- Grooving or damage where the release bearing contacts the lever.
- Cracks or distortion.
- Inconsistent clutch pedal feel.
- Difficulty engaging gears.
- Unusual clutch noises.
- During clutch replacement when wear is evident.
Because access requires significant labour, many Porsche specialists recommend replacing the release lever during clutch overhauls to avoid future transmission removal costs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95111608501
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)
Flywheel Ring Gear
Restore dependable starting performance to your classic
Porsche 911 Turbo with this OE Match Flywheel Ring Gear. Designed for Porsche 911 turbo (930) models produced
between 1978 and 1989, this precision-engineered ring gear provides the
critical interface between the starter motor and flywheel, ensuring reliable
engine cranking and smooth engagement during every start-up.
Fits:
- Porsche 911 1978-1989 3.3L Turbo (930)
Manufactured to OE specifications, this replacement ring gear is engineered to deliver exceptional durability and precise fitment for the demanding requirements of the turbocharged air-cooled flat-six engine. Whether you're rebuilding a transmission, replacing a worn flywheel component or carrying out a full engine restoration, this OE Match ring gear helps maintain reliable starting performance and long-term drivetrain integrity.
Technical Specifications
- Number of Teeth: 135
- Internal Diameter: 230mm
- External Diameter: 280mm
Quality Precision Machined Gear Teeth for Correct Starter Engagement
What Does the Flywheel Ring Gear Do?
The flywheel ring gear is mounted around the outer edge of the flywheel and serves as the engagement point for the starter motor pinion gear.
When the ignition is activated, the starter motor extends its pinion gear into the teeth of the flywheel ring gear. The starter then rotates the flywheel, which in turn rotates the crankshaft and starts the engine.
The flywheel ring gear performs several essential functions:
- Transfers rotational force from the starter motor to the engine.
- Allows the engine to crank during start-up.
- Provides precise engagement with the starter pinion gear.
- Supports smooth and reliable engine starting.
- Helps prevent starter slippage and gear damage.
On the turbocharged Porsche 930, where higher compression and engine loads place greater demands on the starting system, proper ring gear condition is especially important.
Why Do Flywheel Ring Gears Fail?
Although manufactured from hardened steel, flywheel ring gears endure repeated mechanical stress throughout their service life. Every engine start places load on the gear teeth, eventually leading to wear and damage.
Common causes of flywheel ring gear failure include:
- Tooth wear from repeated starter engagement.
- Chipped, cracked or broken gear teeth.
- Worn starter motor pinion gears.
- Starter motor misalignment.
- Corrosion caused by moisture exposure.
- Excessive heat from clutch or flywheel issues.
- High mileage and decades of use.
Many Porsche 930 models have now accumulated decades of service, making flywheel and starter system inspections increasingly important during restoration and maintenance work.
When Should the Flywheel Ring Gear Be Replaced?
The ring gear should be inspected whenever the clutch,
transmission or engine assembly is removed. Replacement is recommended if any
of the following are found:
- Worn or rounded gear teeth.
- Broken or chipped teeth.
- Starter grinding noises.
- Intermittent starter engagement.
- Difficulty cranking the engine.
- Visible corrosion or physical damage.
- Excessive wear concentrated in specific areas of the gear.
Because replacement requires flywheel removal, many specialists recommend fitting a new ring gear during clutch replacement or major drivetrain refurbishment when access is readily available.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011623003
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
Flywheel Ring Gear
Restore dependable engine starting performance with this OE
Match Flywheel Ring Gear, designed for Porsche 911 models produced between 1970 and 1986. The flywheel
ring gear is a critical component of the engine starting system, providing the
engagement surface for the starter motor and allowing the engine to crank
reliably every time the ignition is activated.
Fits:
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
Manufactured to OE specifications, this replacement ring gear delivers the correct tooth profile, fitment and durability required for classic air-cooled Porsche applications. Whether you're rebuilding an engine, replacing a worn flywheel component or restoring a classic 911, fitting a new flywheel ring gear helps ensure smooth starter operation and long-term reliability.
What Does the Flywheel Ring Gear Do?
The flywheel ring gear is a hardened steel gear mounted around the outer circumference of the flywheel. Its primary purpose is to engage with the starter motor pinion gear during engine start-up.
When the ignition key is turned, the starter motor extends its pinion gear into the teeth of the flywheel ring gear. The starter then rotates the flywheel, turning the engine over until combustion begins and the engine starts.
The flywheel ring gear plays a vital role by:
- Providing a durable engagement surface for the starter motor.
- Allowing the engine to crank during start-up.
- Ensuring smooth and reliable starter operation.
- Transferring rotational force from the starter motor to the crankshaft.
- Supporting consistent engine starting performance.
Without a properly functioning ring gear, starter engagement can become unreliable or impossible.
Why Do Flywheel Ring Gears Fail?
Although manufactured from hardened steel, flywheel ring gears experience repeated mechanical loading every time the vehicle is started. Over decades of service, wear and damage can occur.
Common causes of failure include:
- Tooth wear caused by repeated starter engagement.
- Damaged or chipped gear teeth.
- Starter motor misalignment.
- Worn starter pinion gears damaging the ring gear.
- Excessive heat generated during clutch or flywheel issues.
- Corrosion caused by moisture contamination.
- General wear associated with high mileage and age.
On classic Porsche 911 models, decades of repeated engine starts can eventually lead to worn sections of the ring gear, particularly in the areas where the engine most commonly stops after shutdown.
When Should the Flywheel Ring Gear Be Replaced?
The flywheel ring gear should be inspected whenever the
engine, clutch or flywheel assembly is removed. Replacement is recommended if
you observe:
Chipped,
broken or heavily worn teeth.
Replacing a worn ring gear while the transmission or engine is already removed can prevent future starting problems and reduce labour costs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91111623904
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C4 1989-93
The OE Match Ring Gear is a high-quality replacement drivetrain component designed to work as part of the engine starting system. Manufactured to OE specifications for fit, strength and durability, the ring gear is mounted to the flywheel or flexplate and provides the engagement surface for the starter motor pinion gear during engine start-up.
Fits:
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C4 1989-93
Precision-machined from hardened steel, the ring gear is engineered to withstand repeated engagement loads and high torque forces generated during engine cranking. Accurate tooth geometry ensures smooth starter engagement, reliable engine starting and long service life under demanding operating conditions.
What This Product Does:
- Provides the engagement surface for the starter motor pinion gear.
- Transfers rotational force from the starter motor to the engine.
- Enables reliable engine cranking and starting.
- Works in conjunction with the flywheel or flexplate assembly.
- Ensures smooth engagement during start-up.
- Supports consistent operation of the starting system.
- Contributes to dependable vehicle reliability.
Symptoms Of Wear Or Failure:
- Grinding noises during engine starting.
- Starter motor spinning without turning the engine.
- Intermittent starting problems.
- Clicking noises during starter engagement.
- Starter motor slipping during cranking.
- Visible chipped, worn or missing teeth on inspection.
- Engine only starting when stopped in certain positions.
- Premature wear of the starter motor pinion gear.
Why Replacement Matters:
- The ring gear is subjected to repeated high-torque engagement every time the engine is started. Over time, the teeth can become worn, chipped, rounded or damaged, particularly in vehicles with high mileage or faulty starter motors. Excessive wear can prevent the starter pinion from engaging correctly, resulting in unreliable starting performance.
- A damaged ring gear can place additional strain on the starter motor, accelerating wear of both components and potentially leading to complete starting system failure. If left unresolved, the vehicle may become difficult or impossible to start, resulting in inconvenience and costly repairs.
- Replacing a worn ring gear restores proper starter engagement, improves starting reliability and helps protect the starter motor from unnecessary wear. An OE Match replacement provides factory-style fitment, precision machining and long-term durability, ensuring dependable starting performance and preserving the reliability of your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95011614305
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
The OE Match Clutch Slave Cylinder is a high-quality replacement hydraulic clutch component designed to convert hydraulic pressure from the clutch master cylinder into mechanical movement to operate the clutch release mechanism. Manufactured to OE specifications for fit, performance and durability, this component plays a critical role in ensuring smooth clutch operation and reliable gear changes.
Fits:
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Constructed from precision-machined materials with high-quality seals and internal components, the clutch slave cylinder is designed to withstand repeated hydraulic pressure cycles, temperature variations and demanding driving conditions. It ensures consistent clutch pedal feel and accurate clutch disengagement for optimum transmission performance.
What This Product Does:
- Converts hydraulic pressure into clutch release movement.
- Operates the clutch release fork or release bearing assembly.
- Enables smooth clutch disengagement during gear changes.
- Helps maintain consistent clutch pedal feel.
- Supports accurate and reliable gear selection.
- Reduces drivetrain shock during shifting.
- Contributes to smooth transmission operation and driving comfort.
Symptoms Of Wear Or Failure:
- Soft, spongy or inconsistent clutch pedal feel.
- Difficulty selecting gears.
- Clutch pedal sticking to the floor.
- Incomplete clutch disengagement.
- Hydraulic fluid leaks around the slave cylinder.
- Visible fluid loss from the clutch hydraulic system.
- Reduced clutch performance.
- Grinding noises during gear changes.
- Low clutch fluid level in the reservoir.
- Complete loss of clutch operation in severe failure cases.
Why Replacement Matters:
- The clutch slave cylinder operates every time the clutch pedal is pressed and is continuously exposed to hydraulic pressure, temperature fluctuations and seal wear. Over time, internal seals can deteriorate, allowing hydraulic fluid to leak internally or externally, reducing the cylinder's ability to generate the force required to disengage the clutch properly.
- A failing slave cylinder can make gear selection difficult, accelerate clutch and gearbox wear, and eventually leave the vehicle unable to disengage the clutch. In severe cases, complete hydraulic failure can result in loss of clutch function and vehicle immobility.
- Replacing a worn clutch slave cylinder restores proper hydraulic operation, improves clutch feel and ensures smooth gear engagement. An OE Match replacement provides factory-style fitment, dependable sealing performance and long-term durability, helping maintain the performance, reliability and driving characteristics expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95011623712
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
The OE Match Synchro Shifting Sleeve, 1st/2nd Gear is a high-quality replacement transmission component designed to facilitate the engagement of first and second gears within Porsche manual gearboxes. Manufactured to OE specifications for fit, precision and durability, this shifting sleeve forms a critical part of the synchroniser assembly, ensuring smooth, accurate and reliable gear selection.
Fits:
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Diagram Ref No 42
Working in conjunction with the synchroniser hub, synchro rings and dog teeth, the shifting sleeve slides across the synchroniser assembly to engage the selected gear once rotational speeds have been synchronised. Precision machining and correct fitment are essential for maintaining shift quality, reducing gearbox wear and ensuring dependable transmission performance.
What This Product Does:
- Engages first and second gears within the gearbox.
- Works with the synchroniser assembly to enable smooth gear changes
- Transfers movement from the gear selector mechanism to the selected gear.
- Helps ensure accurate and positive gear engagement.
- Supports proper synchronisation before gear selection.
- Reduces gear clash and transmission wear.
- Contributes to smooth manual gearbox operation and drivability.
Symptoms Of Wear Or Failure:
- Difficulty engaging first or second gear.
- Gear grinding or crunching during shifts.
- Notchy or inconsistent gear changes.
- Excessive resistance when moving the gear lever.
- Gear disengagement or jumping out of gear under load.
- Poor shift quality and reduced transmission precision.
- Increased gearbox noise during gear changes.
- Visible wear, chipping or rounding of engagement surfaces during inspection.
Why Replacement Matters:
- The synchro shifting sleeve experiences repeated mechanical loading every time first or second gear is selected. Over time, the engagement surfaces can wear, become rounded or suffer damage, reducing the sleeve's ability to engage gears cleanly and securely.
- A worn shifting sleeve can compromise gear engagement, place additional strain on synchroniser rings and dog teeth, and accelerate wear throughout the gearbox. If left unresolved, continued operation may lead to increasingly poor shift quality and more extensive transmission repairs.
- Replacing a worn synchro shifting sleeve restores accurate gear engagement, improves transmission performance and helps protect other synchroniser components from premature wear. An OE Match replacement provides factory-style fitment, precision manufacturing and long-term durability, ensuring smooth and reliable shifting performance for your Porsche manual transmission.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030241103
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Supports the synchroniser and gear assembly within the gearbox, particularly relating to first and second gear. It is manufactured as a direct-fit component designed to replicate the form, fit, and function of the factory part.
Sold each, 2 required per gearbox
Fits:
Porsche 911 1974 - 1986 (915 Gearbox)
Diagram ref no 44.
Inside the 915 manual gearbox, the thrust block plays a critical role in maintaining correct alignment and support for the synchroniser assembly, particularly between first and second gears. It helps maintain correct spacing and load distribution on internal transmission components, ensuring consistent gear engagement and smooth shifts.
By accurately positioning and supporting the gears and synchronisers, this thrust block helps reduce internal wear and supports reliable transmission operation - especially under spirited driving conditions common in performance Porsche use.
Transmission internals operate under high rotational and axial loads, meaning even small variations in spacing or fit can lead to friction, wear, or mis-engagement. A worn or poorly fitting thrust block can cause:
• Gear engagement issues
• Increased synchroniser or gear wear
• Rough or imprecise shifting
• Premature transmission component failure.
Replace this transmission thrust block if you are:
• Performing a full gearbox rebuild
• Noticing rough or imprecise shifting in first/second gear
• Reassembling a gearbox with worn internal components
• Addressing synchroniser wear or axial play
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530231502
The product you are viewing cross references to these numbers