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Gearbox Mounts
By OE Match
- 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 Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
OE Match hydraulic gearbox mounts supplied as a SET OF 2 for Porsche 981 Boxster, 981C Cayman and Cayman GT4 applications. These non-dynamic mounts are intended for vehicles without Dynamic engine mount (PADM).
Fits
for cars WITHOUT Dynamic engine mount (PADM)
- Porsche 981 Boxster 2012-16
Boxster 981 2.7L 2012–16
Boxster 981 S / GTS 3.4L 2012–16 - Porsche 981C Cayman 2014-16
Cayman 2.7L 981 2013–16
Cayman S / GTS 3.4L 981 2013–16 - Porsche 981 Cayman GT4 2016
Cayman GT4 3.8L 2015–16
Check fitment for your specific vehicle (model, year, engine) before ordering. Confirm the mounting specification as well as the vehicle details: this set is not the dynamic PADM version.
Boxster / Boxster S and Cayman / Cayman S — Diagram: 306-000, item 7.
Cayman GT4 — Diagram: 306-000, item 4.
What This Product Does
The mounts connect the transmission assembly to its supporting structure, carrying the gearbox while cushioning vibration and accommodating drivetrain loads. Their hydraulic construction provides damping without the active adjustment associated with dynamic mounts.
Functions
- Support the gearbox at its mounting points.
- Limit unwanted transmission movement under load.
- Isolate drivetrain vibration from the body.
- Help maintain the position of the transmission assembly.
Technical Details
- Supplied quantity: two hydraulic gearbox mounts.
- Mount reference: 98137504902.
- Specification: non-dynamic, without PADM.
- Internal diagram application notation: PR:-140.
- Diagram quantity: two mounts in each listed assembly.
Symptoms of Fault
- Knocking or a thump as drive is taken up.
- Noticeably greater vibration inside the vehicle.
- Excessive movement of the transmission assembly.
- Less consistent gearshift feel.
- Split rubber, a sagging mount or visible hydraulic leakage.
These observations are inspection prompts rather than proof of mount failure. Clutch, linkage and internal gearbox faults can produce overlapping symptoms.
Why Replacement Matters
Deteriorated mounts can allow the gearbox to move beyond its intended position, transferring vibration and placing additional strain on nearby connections. Renewing a worn pair addresses both transmission support points together. Inspect the brackets, fasteners and other drivetrain mounts during the repair; additional installation hardware is not confirmed as part of this set.
FAQs
Is this set suitable for dynamic PADM mounts?
No. The supplied application specifies vehicles without Dynamic engine mount (PADM).
Will replacement mounts resolve gear crunching?
Not necessarily. Clutch operation and gearbox internals require separate diagnosis; mounts should be checked for excessive movement and deterioration.
Are fitting bolts included?
Only the two hydraulic mounts are confirmed. Establish which fasteners are required before beginning installation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98137504902
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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
Fits:
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Cars with 6-speed manual transmission
Click 'Zoom in' for large parts diagram.
Diagram Ref No 1 & 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98737504
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 986 Boxster / Boxster S 1997-04 Manual gearboxes
Porsche 987 Boxster 2005-2008 Tiptronic and 5-speed manual gearbox
Porsche 987C Cayman 2006-2008 Tiptronic and 5-speed manual gearbox
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98637504902
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 Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
OE Match hydraulic gearbox mount for Porsche 981 Boxster, 981C Cayman and Cayman GT4 applications. This non-dynamic version is intended for vehicles without PADM.
Fits
for cars WITHOUT Dynamic engine mount (PADM)
- Porsche 981 Boxster 2012-16
Boxster 981 2.7L 2012–16
Boxster 981 S / GTS 3.4L 2012–16 - Porsche 981C Cayman 2014-16
Cayman 2.7L 981 2013–16
Cayman S / GTS 3.4L 981 2013–16 - Porsche 981 Cayman GT4 2016
Cayman GT4 3.8L 2015–16
Check fitment for your specific vehicle (model, year, engine) before ordering.
Diagram: 306-000, item 7 (Boxster / Cayman); item 4 (Cayman GT4).
What This Product Does
The mount connects the gearbox to its supporting structure, holding the transmission in position while damping vibration and allowing controlled movement under load. It works with the other powertrain mounts to maintain drivetrain alignment.
Functions
- Supports the transmission at its mounting point.
- Limits unwanted gearbox movement during changes in load.
- Isolates drivetrain vibration from the vehicle structure.
- Helps maintain alignment of connected drivetrain components.
Technical Details
- Part number: 98137504902.
- Brand: OE Match.
- Hydraulic, non-dynamic gearbox mounting.
- Internal diagram application code: PR:-140.
- Diagram quantity: two mounts per vehicle; this identifies the assembly requirement, not a supplied pair.
- Diagram applications include 981 Boxster / Boxster S 2012–16, 981C Cayman / Cayman S 2014–16 and 981C Cayman GT4 2016.
Symptoms of Fault
- A knock or thud as drive is taken up or released.
- More vibration felt inside the cabin.
- Excessive powertrain movement or an unsettled gearshift feel.
- Visible cracking, sagging or collapse of the mount.
- Fluid seepage from a deteriorated hydraulic mounting.
Why Replacement Matters
A worn mounting may no longer support the gearbox or damp movement as intended. Renewing a confirmed faulty mount addresses that loss of support and helps limit movement that can load adjacent connections. Inspect the remaining mounts, brackets and fasteners during the repair, rather than assuming every vibration or shifting concern originates here. OE Match focuses on replacement components for Porsche applications, with specification and fitment assessment forming part of its development process.
FAQs
- Is this the dynamic PADM version?
No. The supplied application specifies vehicles without dynamic engine mounting. - Will replacement resolve grinding during shifts?
Not necessarily. Clutch, linkage or internal transmission wear can cause similar complaints and needs separate diagnosis. - Should both gearbox mounts be inspected?
Yes. The diagrams show two mounting positions, so assess both mounts and their supporting hardware when planning the repair.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98137504902
The product you are viewing cross references to these numbers
- 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
This is a used part which has been fitted and removed shortly after off the vehicle due to not meeting expectations of the customer. This part is in good working order. Ideal for restoration specialists, collectors, or workshops looking for components at reduced cost.
Condition:
This LEFT Gearbox Mount is a briefly used part. It has some fitting imperfections but in good / reusable working order.
Please see the gallery of images before purchasing.
Fits:
- 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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98737504102
The product you are viewing cross references to these numbers
- 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
This is a used part which has been fitted and removed shortly after off the vehicle due to not meeting expectations of the customer. This part is in good working order. Ideal for restoration specialists, collectors, or workshops looking for components at reduced cost.
Condition:
This RIGHT Gearbox Mount is a briefly used part. It has some fitting imperfections but in good / reusable working order.
Please see the gallery of images before purchasing.
Fits:
- 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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98737504202
The product you are viewing cross references to these numbers
-
manual transmission: transmission suspension, threaded, joint engine 986 Boxster S G86.20 2000-04 306-01
-
6-speed manual transmission (I480), transmission suspension threaded joint engine for 987 Boxster / Boxster S 2005-08 306-01
-
Transmission suspension / Threaded joint / Engine 981 Boxster / Boxster S 2012-16 306-000
OEMatch Gearbox Mounts — Engagement, Smoothness, Control
OEMatch gearbox mounts for Porsche models reduce drivetrain vibration and help maintain transmission alignment under load. OEMatch gearbox mounts are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable. Use these mounts to restore refined gearshift feel and to protect adjacent drivetrain components.
Available Types
- Rubber-mounted gearbox mount for road use
Understanding OEMatch Gearbox Mounts
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original gearbox mounts.
OE (Original Equipment) refers to parts matching original specifications for the gearbox mounts and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM gearbox mounts engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Gearbox mounts secure the transmission to the chassis while isolating vibration and absorbing torque movement. They control drivetrain movement under acceleration, braking and cornering and help maintain driveshaft and linkage alignment. When mounts deteriorate, you may notice clunking, increased vibration or harsher shifting; prolonged movement can place additional load on exhaust, shafts and linkage components.
Benefits Include
- Restores smooth, vibration-reduced gear changes
- Maintains correct driveshaft and linkage alignment
- Reduces stress on transmission and adjacent components
Why Gearbox Mounts Wear and Fail
- Rubber deterioration and cracking from heat and age
- Oil contamination that softens mount compounds
- Fatigue or fluid loss in hydraulic-mounted designs
The Importance of Replacing with OEMatch Gearbox Mounts
Replacing worn gearbox mounts restores drivetrain stability and smoother shifting, reducing noise, vibration and harshness that affects comfort and control. Timely replacement helps prevent secondary damage to exhaust, linkage and driveshaft fittings and supports predictable throttle response and handling on Porsche models.
Advantages
- Replacement rubber and reinforced designs for varied use
- Options suitable for classic and modern Porsche models
- Direct-fit alternatives made to original-spec dimensions and tolerances