Hydraulic gearbox mounts, SET OF 2, non-dynamic. Porsche 981 Boxster / 981C Cayman / 981 Cayman GT4  ›  98137504902

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.