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- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Position: center engine mount (the central mount that locates the engine fore/aft and resists torque).
Fits:
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Replace the part when it has lost its ability to control engine movement and damp vibration. Typical triggers to replace the centre mount include:
- Hard clunk or bang on acceleration, deceleration or gear changes (engine shifting against chassis).
- Excessive vibration into the cabin, especially at idle or specific RPM bands.
- Visible damage — torn, separated rubber, oil-soaked or collapsed mount/bushing, or corrosion of mating faces.
Common issues & failure causes
- Rubber deterioration: age, heat cycling and mechanical fatigue cause the rubber to harden, crack or de-bond from the metal, reducing isolation and allowing increased engine movement.
- Fluid contamination: oil or coolant leaks accelerate rubber breakdown (softening or swelling), commonly seen on older engines where leaks occur.
- Mechanical shock / abuse: repeated hard launches, aggressive shifting or collisions can cause sudden mount failure or promote early fatigue.
- Bracket wear / corrosion: the bushing may be fine, but the aluminium bracket can crack, corrode, or the bushing may need pressing into a worn bracket — which is why some techs prefer replacing the full assembly.
This product supersedes Porsche's old part numbers:
- 98737502304
Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98737502305
The product you are viewing cross references to these numbers
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
This Engine Mount is a OE MATCH Porsche 991.1 component designed to securely support the engine while isolating vibrations from the chassis. Positioned between the engine and subframe, this mount plays a critical role in maintaining engine stability, alignment, and overall driving comfort.
Sold Each. x2 Required Per Car.
Fits:
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16 (COUPE)
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16 (COUPE)
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16 (COUPE)
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16 (COUPE)
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16 (COUPE)
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16 (COUPE)
140 - WITHOUT Dynamic Engine Mount (PADM)
Diagram Ref No 7
What This Product Does:
- Supports and secures the engine to the vehicle chassis
- Absorbs engine vibrations and movement
- Maintains correct engine alignment
- Improves ride comfort by reducing noise and harshness (NVH)
- Stabilises drivetrain components during acceleration and braking
Symptoms Of Wear Or Failure:
- Excessive engine vibration felt in the cabin
- Clunking or knocking noises during acceleration or gear changes
- Engine movement or shifting under load
- Rough or unstable driving feel
- Misalignment affecting drivetrain components
- Visible cracks or collapse of the rubber mount
Why Replacement Matters:
- Restores engine stability and alignment
- Reduces vibration and noise for a smoother drive
- Prevents damage to surrounding components (exhaust, driveshaft, hoses)
- Improves overall driving dynamics
- Ensures long-term reliability of the drivetrain system
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99137504901
The product you are viewing cross references to these numbers
- 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 Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
- 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 GT4 718 4.0L / GT4 RS 718 4.0L
- Porsche Cayman GT4 Clubsport
- Porsche Cayman GT4 RS Clubsport 2020-2024
Reinforced & Calibrated PADM Sensor Upgrade
Sold each - 2 required per car
Restore your Porsche Active Drivetrain Mount (PADM) system
to proper working order with this reinforced and OEM-calibrated PADM Sensor
Type A, specifically designed for Porsche 981 and 718
Boxster/Cayman, and 991 Carrera models.
Fits:
- 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 Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
- 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 GT4 718 4.0L / GT4 RS 718 4.0L
- Porsche Cayman GT4 Clubsport
- Porsche Cayman GT4 RS Clubsport 2020-2024
Engineered as a direct replacement for failed or faulty PADM sensors, this upgraded unit incorporates several significant improvements over the original design to provide enhanced durability, reliability, and long-term performance.
Featuring a mechanically pinned internal chip, CNC-machined aluminium housing, and OEM-level calibration, this sensor is designed to withstand the harsh operating conditions found in high-performance Porsche applications while delivering factory-level signal accuracy.
Unlike conventional sensors that rely on adhesive bonding, the internal sensing chip is mechanically secured to improve resistance to vibration, temperature fluctuations, and long-term fatigue. The precision-machined aluminium housing further enhances heat resistance, pressure resistance, and overall structural integrity.
Designed as a true plug-and-play solution, installation requires no coding, software calibration, or specialist programming. Simply install the sensor and restore correct PADM operation.
This upgraded sensor has undergone extensive testing across multiple Porsche applications to ensure OEM-level performance and reliable communication with the vehicle's PADM control system.
Key Features
• Reinforced PADM Sensor
• Suitable for Porsche 981, 982 and 991 models
• Direct plug-and-play replacement
• No coding or programming required
• Mechanically pinned internal chip design
• No glue-based internal fixing
• CNC-machined aluminium housing
• Enhanced resistance to heat, pressure and vibration
• OEM-level calibration and signal accuracy
• Tested across multiple Porsche applications
• Designed for improved long-term reliability
Common PADM Fault Fixes
This upgraded sensor is designed to resolve common Porsche PADM system faults including:
• Porsche PADM warning light
• "PADM Disabled" warning messages
• "PADM Fault" dashboard warnings
• Error Code 001013 – Sensor Signal Short to Ground (Left)
• Error Code 001023 – Sensor Signal Short to Ground (Right)
• PADM system deactivation issues
• Active engine mount sensor failures
Common PADM Fault Symptoms
Typical symptoms of a failing PADM sensor include:
• "Porsche PADM Disabled" warning displayed
• "PADM Fault" warning message on the dashboard
• Repeated Check Engine Light (CEL) activation
• Unstable handling in Sport or Sport Plus mode
• Rough idle or excessive engine vibration
• Drivetrain mount behaviour feeling too soft or too firm
• Diagnostic fault codes 001013 or 001023
Reinforced Internal Design
Mechanically Pinned Chip Technology
The internal sensing element is mechanically secured rather than glued, providing improved durability and resistance to vibration-induced failures.
CNC-Machined Aluminium Housing
The precision-engineered aluminium casing offers superior protection against:
• High engine bay temperatures
• Pressure fluctuations
• Continuous vibration
• Long-term wear and fatigue
Plug & Play Installation
Designed for simple installation and factory-style operation:
• No coding required
• No software updates required
• No diagnostic programming required
• OEM-style fitment and functionality
Simply install the sensor and restore proper PADM operation.
Important Ordering Information
• Professional installation recommended
• Please confirm labour costs with your repair workshop before ordering
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PADM991981982
The product you are viewing cross references to these numbers