Chains & Tensioners
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
2x Guides, timing chain Piece 99610517353
2x Tensioner Guide, timing chain Piece 99610517552

Fits:
Porsche 986 Boxster
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 33 & 30
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517353KIT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
2 x Guides, timing chain Piece 99610517353
2 x Tensioner Guide, timing chain Piece 99610517552

Fits:
Porsche 986 Boxster
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 33 & 30
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517353KIT1
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Carrera GT

Fits:
Porsche 996 C2 / C4 / C4S 2002>>
Porsche 986 Boxster 2.7L / 3.2L 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 997 2005-08
Porsche Carrera Gt 2004-06
This product supersedes Porsche's old part numbers:
- 99610530302
- 99610530303
- 99610530304
- 99610530305
Click 'Zoom in' for large parts diagram.
Diagram Ref No 41
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610530307
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Carrera GT
Common issues or symptoms:
Rough idle / misfires: Faulty actuator disrupts precise valve timing, leading to uneven idling or misfires
Reduced engine performance: Loss of power or hesitation at certain RPMs can be linked to improper camshaft adjustment Check Engine Light (CEL), often triggered when the engine control unit (ECU) detects misalignment or malfunction in camshaft timing — very common with actuator failure 
Fits:
Porsche 996 C2 / C4 / C4S - 2002 to 2005
Porsche 986 Boxster 2.7ltr / 3.2ltr - 1997 to 2004
Porsche 987 Boxster - 2005 to 2008
Porsche 987C Cayman - 2005 to 2008
Porsche 997 - 2005 to 2008
Porsche Carrera Gt - 2004 to 2006
Faulty actuator disrupts precise valve timing, leading to uneven idling or misfires Diagnostic Trouble Codes (DTCs): Codes like P0010, P0011, P0012, P0013, P0014 often point to camshaft actuator or timing issues. They indicate conditions such as stuck timing advance/retard, or electrical faults in the actuator circuit Failure Causes: Oil contamination or sludge can clog the actuator, impairing function. Electrical problems such as wiring degradation or poor connector contact can impede correct activation
Diagnostic & repair advice check oil quality and change intervals — fresh, clean oil helps prevent buildup that hampers actuator performance scan for and interpret fault codes using an OBD-II scanner to pinpoint actuator failure or control circuit issues
Inspect connectors and wiring for corrosion or looseness
Replace defective solenoid(s) with OEM or high-quality equivalents if internal stick or mechanical failure is suspected.
This product supersedes Porsche's old part numbers:
- 99610530302
- 99610530303
- 99610530304
- 99610530305
- 99610530306
- 99610530307
Click 'Zoom in' for large parts diagram.
Diagram Ref No 41
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610530307
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII GT2 RS 2011-13
Fits:
Porsche 996 C2 3.6L 09/01-2005 (for engine code M96.03)
Porsche 996 C4 3.6L 09/01-2005 (for engine code M96.03)
Porsche 996 C4S 3.6L 09/01-2005 (for engine code M96.03)
Porsche 997 MK1 Carrera 2 3.6L 2005 (up to engine number 695 08637)
Porsche 997 MK1 Carrera 2S 3.8L 2005 (up to engine number 685 11779)
Porsche 997 MK1 Carrera 4 3.6L 2005 (up to engine number 695 08637)
Porsche 997 MK1 Carrera 4S 3.8L 2005 (up to engine number 685 11779)
Porsche 997 MK1 TURBO 2007-09
Porsche 997 MKII GT2 RS 2011-13
Diagram Ref No 40
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610530105
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII GT2 RS 2011-13
Variable Valve Timing Solenoid (VVT) - Sold each, 2 required per car
The Variable Valve Timing (VVT) Solenoid is a high-precision engine control component designed to manage oil flow
to the camshaft system, optimizing valve timing based on engine load, RPM, and
driving conditions.
By constantly adjusting the camshaft position, this advanced
solenoid improves engine efficiency, performance, and emissions.
It ensures that your Porsche engine — or equivalent high-performance system —
delivers maximum torque, smoother idling, and improved fuel economy
under all conditions. Engineered to meet exacting performance
standards, this solenoid guarantees long-term reliability and a precise fit
for seamless integration into your engine’s variable valve timing system
Porsche 996 C2 3.6L 09/01-2005 (for engine code M96.03)
Porsche 996 C4 3.6L 09/01-2005 (for engine code M96.03)
Porsche 996 C4S 3.6L 09/01-2005 (for engine code M96.03)
Porsche 997 MK1 Carrera 2 3.6L 2005 (up to engine number 695 08637)
Porsche 997 MK1 Carrera 2S 3.8L 2005 (up to engine number 685 11779)
Porsche 997 MK1 Carrera 4 3.6L 2005 (up to engine number 695 08637)
Porsche 997 MK1 Carrera 4S 3.8L 2005 (up to engine number 685 11779)
Porsche 997 MK1 TURBO 2007-09
Porsche 997 MKII GT2 RS 2011-13
Diagram Ref No 40
What It Does
The VVT solenoid (also called a camshaft adjustment valve
or oil control solenoid) plays a vital role in modern engine performance
and efficiency.
Core Functions:
- Regulates
the flow of pressurized oil to the camshaft phaser or actuator.
- Adjusts
valve timing dynamically to match engine speed, load, and throttle
input.
- Optimizes
power delivery, fuel consumption, and emission control.
- Ensures
smooth idle and responsive acceleration.
- Helps reduce exhaust emissions and improve combustion stability.
When working correctly, it keeps the engine running at peak precision, balancing performance and efficiency seamlessly.
Why VVT Solenoids Fail
Over time, the variable valve timing solenoid can degrade
due to contamination, wear, or electrical faults.
Common causes include:
- Oil
contamination or sludge buildup blocking the internal oil control
passages.
- Low
oil quality or irregular oil changes, which reduce hydraulic
efficiency.
- Electrical
faults within the solenoid connector or wiring harness.
- Mechanical
sticking of the plunger or valve spool, preventing proper timing
adjustment.
- Prolonged engine overheating causing internal seal failure.
Failure Symptoms:
Check
Engine Light (CEL) or camshaft timing fault codes.
Rough
idle or engine stalling.
Reduced
power, sluggish acceleration, or poor fuel economy.
Rattling
noise from the timing area.
Higher
emissions or failed MOT/inspection.
Why It Should Be Replaced
Replacing a worn or faulty VVT solenoid restores your
engine’s optimal performance and efficiency.
Key Benefits of Replacement:
- Restores
precise valve timing for consistent torque and smooth power delivery.
- Improves
fuel economy by optimizing combustion under all loads.
- Eliminates
rough idle and hesitation during acceleration.
- Prevents
costly engine damage caused by improper timing or lubrication.
- Reduces
emissions and ensures compliance with modern environmental standards.
- Ensures long-term reliability and consistency under demanding driving conditions.
A fresh VVT solenoid returns your vehicle to the refined performance level it was designed to deliver, ensuring precision control and reliability mile after mile.
Advantages at a Glance
- Precision oil flow control for accurate camshaft timing
- Improved engine performance and throttle response
- Smoother idle and reduced vibration
- Enhanced fuel efficiency and reduced emissions
- Durable construction with long lifespan
- Plug-and-play compatibility for quick installation
- Developed to deliver original-quality performance at excellent value
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610530105
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- 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 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 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
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13

Fits:
Porsche 964 1989-94
Porsche 993 1994-98
Porsche 996 1998-04
Porsche 997.1 Turbo 2000-09
Porsche 997.2 Turbo 2010-13
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram ref 14
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410517103
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Timing chain from the intermediate shaft to the heads. Two required. Price is for each.
Fits:
Porsche 996 Carrera 3.6L 2002-2004
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2005-08
Porsche 997 Carrera 3.6L / S 3.8L 2005-08 COUPE / CABRIO
Diagram ref no. 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610515201
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Timing chain from the intermediate shaft to the heads.
Two required. Price is for each.
Fits:
Porsche 996 Carrera 3.6L 2002-2004
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2005-08
Porsche 997 Carrera 3.6L / S 3.8L 2005-08 COUPE / CABRIO
Diagram ref no. 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610515201
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
3 per engine. Price is for each.

Fits:
Porsche 996
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997.1 Gen
Click 'Zoom in' for large parts diagram.
Diagram ref no 25
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970734440
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
3 per engine. Price is for each.

Fits:
Porsche 996
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997.1 Gen
Click 'Zoom in' for large parts diagram.
Diagram ref no 37
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90012314730
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
3 per engine. Price is for each.
Fits:
Porsche 996
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997.1 Gen
Click 'Zoom in' for large parts diagram.
Diagram ref no 37
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90012314730
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Fits:
Porsche 987 Boxster MKI 2005-08
Porsche 987 Cayman MKI 2005-08
Porsche 997 Carrera MKI 2005-08
Porsche 996 Carrera
Click 'Zoom in' for large parts diagram.
Diagram ref no 34
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610518802
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
Porsche 986 Boxster
Porsche 996 1998-05
Click picture for large parts diagram.
Diagram Ref No 33.
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
2 per engine. Sold each.

Fits:
Porsche 986 Boxster
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 33.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517353
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Fits:
- Porsche Boxster 986 2.7L 2001 - 2002
- Porsche Boxster 986 S 3.2 2001- 2002
Cars With Engine Codes:
M96.21 / M96.22 / M96.23 / M96.24
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
M96.25 / M96.26 / M97.20 / M97.21 / M97.22
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
M97.21 / M97.20 / M97.22
- Porsche Boxster 996 3.4L 2001
- Porsche Boxster 996 3.6L 2001- 2005
Cars With Engine Codes:
M96.01 / M96.02 / M96.03 / M96.04
- Porsche 997 Carrera 2 3.6L 2005>>
- Porsche 997 Carrera 2S 3.8L 2005>>
- Porsche 997 Carrera 4 3.6L 2005>>
- Porsche 997 Carrera 4S 3.8L 2005>>
Cars With Engine Codes:
M97.01 / M96.05
Diagram ref no 35
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610518058
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
Precision Timing Chains & Tensioners – Engine Synchronisation and Reliability for Porsche Models
The timing chain system is one of the most critical components of a Porsche engine, ensuring perfect synchronisation between the crankshaft and camshafts. This precise coordination allows valves to open and close at the right moment, maintaining smooth power delivery, fuel efficiency, and long-term engine health.
At Design911, we supply a comprehensive range of precision-engineered timing chains, guides, and hydraulic tensioners designed to meet or exceed manufacturer performance standards. Each component is manufactured from high-strength materials for exceptional wear resistance and durability — vital for high-revving, performance-oriented Porsche engines.
What Do Timing Chains and Tensioners Do?
A timing chain connects the crankshaft to the camshafts, ensuring accurate valve timing. The tensioner keeps the chain taut to prevent slack, vibration, or noise, maintaining precise timing under all load conditions.
Core Functions:
- Synchronise engine timing between the camshaft and crankshaft.
- Maintain valve timing accuracy for optimal combustion and power.
- Prevent chain slack and noise through hydraulic or spring-loaded tensioning.
- Ensure long-term reliability in both performance and everyday driving.
Together, these components preserve the exacting standards of Porsche engine operation — vital for both power and longevity.
Why Do Timing Chains and Tensioners Fail?
Over time, wear, oil degradation, and heat cycles can cause timing components to deteriorate. When neglected, they may stretch, seize, or lose tension — leading to severe engine damage.
Common Causes of Failure Include:
- Chain stretch or elongation, resulting in timing misalignment.
- Worn or leaking hydraulic tensioners, causing chain rattle on start-up.
- Contaminated or degraded engine oil, accelerating wear.
- Broken chain guides from heat stress or material fatigue.
- Insufficient oil pressure, reducing hydraulic tensioner performance.
A failing timing chain system can lead to poor performance, rough idling, check-engine lights, or — in extreme cases — catastrophic valve-to-piston contact.
Why Replace with Performance-Grade Timing Components?
Replacing aging timing components with manufacturer-quality parts ensures reliable valve timing, smoother operation, and peace of mind.
Key Benefits:
- Restores precise valve timing for peak performance and efficiency.
- Prevents engine noise and vibration caused by chain slack.
- Protects against catastrophic engine damage due to chain failure.
- Constructed from heat-treated, high-grade steel for long service life.
- Engineered to match original timing profiles for Porsche engines.
- Perfect fitment for classic air-cooled and modern water-cooled models.
Whether performing preventive maintenance or a complete rebuild, these timing chains and tensioners deliver race-ready reliability with road-tested durability.
Highlights:
- Precision-engineered timing chains, guides, and tensioners for Porsche engines.
- Restores timing accuracy and eliminates start-up rattle or misfire issues.
- Built from heat-treated alloy steel for maximum longevity.
- Hydraulic and mechanical tensioners available for various Porsche models.
- Ideal for performance rebuilds and preventative maintenance.
- Compatible with air-cooled and water-cooled Porsche engines.