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Porsche // Cayman 718C (982C) 2017>> // Cayman S 718 2.5L Manual (350 Bhp)
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- Porsche 997 MK1 TURBO 2007-09
This OE Match engine mount kit is designed for the Porsche 911 (997 MK1) Turbo Cabriolet. The kit includes two OE Match hydraulic engine mounts along with the correct genuine Porsche bolts and nuts required for a secure and factory-style installation. Engine mounts play a crucial role in supporting the engine and isolating vibration, ensuring smooth drivetrain operation and maintaining proper engine alignment within the chassis.
SET OF 2 with bolts and nuts
Fits:
Porsche 997.1 Turbo 2007 - 2009 CABRIO
Diagram Ref No 2, 3 and 5.
Kit Includes:
2 × OE Match Engine Mount – 99737504907
4 × Genuine Porsche Hexagon-head bolt – 90037815901
2 × Genuine Porsche Hexagon nut – N90848405
This set provides all the main components needed to replace both engine mounts during maintenance or drivetrain servicing.
The engine mounts stabilise the engine and limit excessive movement during acceleration, braking and gear changes. Their hydraulic construction absorbs vibration and reduces noise transferred to the chassis, helping maintain smooth driving characteristics and protecting surrounding drivetrain components.
Replacing worn mounts restores correct engine positioning and improves overall driving comfort.
Function
• Engine Support: Secures the engine to the chassis structure
• Vibration Isolation: Hydraulic design reduces engine vibration and noise
• Drivetrain Stability: Maintains proper engine alignment during load changes
• Component Protection: Reduces stress on exhaust, transmission and drivetrain components
Engine mounts are exposed to continuous heat, vibration and load cycles. Over time the hydraulic fluid and rubber components can deteriorate, leading to excessive engine movement, vibration or knocking sounds during acceleration and gear changes.
Replacing the mounts with a matched pair restores proper engine stability, improves ride comfort and helps protect drivetrain components from unnecessary wear.
Consider replacing the engine mounts if you notice:
• Increased vibration inside the cabin
• Clunking or movement during acceleration or gear changes
• Engine movement when revving
• Visible cracking or collapse of the mount
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99737504907
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
Fits: PDK or Manual cars | Left or right. | price is each.
Fits:
Porsche 982 (718) Boxster 2017>>
Porsche 982C (718C) Cayman 2017>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
Fits: PDK or Manual cars | Left or right. | price is each.
Fits:
Porsche 982 (718) Boxster 2017>>
Porsche 982C (718C) Cayman 2017>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
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982199131D
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- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Fits:
Cars with 6-speed manual transmission
Porsche 981 Boxster 2012 - 2016
Porsche 981SP Boxster Spyder 2016
Porsche 982 Boxster 2017>>
Porsche 982SP Boxster Spyder 2019>>
Porsche 981C Cayman 2013 - 2016
Porsche 981C Cayman GT4 2016
Porsche 982C Cayman 2017>>
Porsche 982C Cayman GT4 2019>>
Diagram ref no 6 (engine) or 2 (gearbox).
Related reference numbers
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90037824901
The product you are viewing cross references to these numbers
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Sold as a pair
Fits:
Porsche Boxster 718 2.0L Manual (300 Bhp)
Porsche Boxster S 718 2.5L Manual (350 Bhp)
Porsche Boxster S 718 2.5L PDK (350 Bhp)
Porsche Boxster T 718 2.0L Manual (300 Bhp)
Porsche Boxster T 718 2.0L PDK (300 Bhp)
Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
Porsche Cayman 718 2.0L Manual (300Bhp
Porsche Cayman 718 2.0L PDK (300Bhp)
Porsche Cayman S 718 2.5L Manual (350Bhp)
Porsche Cayman S 718 2.5L PDK (350Bhp)
Porsche Cayman T 718 2.0L Manual (300Bhp)
Porsche Cayman T 718 2.0L PDK (300 Bhp)
Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Rennline Tuneable Semi-Solid Engine Mount is the ultimate upgrade for Porsche 718 owners seeking improved performance,
precision, and adjustability. Designed to replace the compliant factory
rubber mounts, this system dramatically reduces unwanted engine movement,
delivering sharper acceleration, enhanced handling, and a significantly
improved shifter feel.
Perfect for both street and track use, this is a versatile, fully tunable solution that allows you to configure your Porsche’s performance exactly the way you want.
Key Features
- CNC
Machined Billet Aluminium Construction – built for strength,
precision, and durability.
- Tuneable
Inserts – includes three pairs of polyurethane inserts in
different densities:
- Yellow (65A) – softest, for daily driving comfort and reduced slop.
- Blue (75A) – balanced stiffness for aggressive street and light track use.
- Red (85A) – stiffest, designed for full race applications. - Nine
Possible Combinations – mix and match inserts to fine-tune mount
stiffness for your driving style.
- Improved Driving Feel – reduces engine slop, prevents missed shifts, and increases drivetrain responsiveness.
- Street or Track Ready – softer inserts preserve comfort, while stiffer ones maximise control under racing conditions.
Why Replace Your Factory Engine Mounts?
Factory Porsche engine mounts use compliant rubber that
softens over time, causing:
- Excessive
Engine Movement – leading to sloppy acceleration and handling.
- Reduced
Shifter Precision – missed shifts or vague gear changes.
- Inconsistent Performance – especially under high load or during spirited driving.
Upgrading to the Rennline M143 semi-solid mount eliminates
these issues, transforming your Porsche with sharper responses, stronger
acceleration, and improved driver confidence.
Benefits of the Rennline M143
- Customisable
Performance – nine stiffness options let you tailor comfort and
control.
- Motorsport-Inspired
Design – ideal for both road cars and dedicated track builds.
- Enhanced
Longevity – billet aluminium body and durable polyurethane inserts
last far longer than factory rubber.
- Confidence in Every Drive – Rennline products are built by Porsche enthusiasts for Porsche enthusiasts, ensuring quality and excellence.
Upgrade your Porsche 718 with the Rennline M143 Tuneable Semi-Solid Engine Mount – the most adjustable, performance-focused mount available, giving you the freedom to tune your car for the street, the track, or anywhere in between.
Related reference numbers
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M143
The product you are viewing cross references to these numbers