Gearbox mount. Porsche 718 (982) Boxster / 718C (982C) Cayman  ❭  982399201A

Gearbox mount. 
The Genuine Porsche OE Engine Mount 982399201A is a direct replacement for the standard (non-dynamic) engine mount on Porsche 718 Boxster and Cayman models. It offers the correct vibration isolation, stiffness, and durability to maintain smooth engine operation, comfortable ride quality, and proper powertrain alignment.
Sold each, Fits left and right

Fits:
Porsche 718 (982) Boxster 2.0L / 2.5L 2017>>
Porsche 718c (982C) Cayman 2.0L / 2.5L  2017>>

Diagram ref no 4

An engine mount’s primary function is to secure the engine to the vehicle’s chassis while absorbing and isolating vibration and torque reaction forces. The 982399201A is tailored for standard (non-dynamic) mount applications, offering consistent support and comfort without the adaptive hydraulic elements found in dynamic mount systems. It maintains alignment between the engine and transmission, controls engine motion under acceleration and deceleration, and helps prevent excessive vibration transfer to the cabin.

Functions & Technical Role Engine support:
•  Holds the engine securely in place within the chassis
•  Vibration isolation: Reduces the transfer of engine noise and vibration into the cabin
•  Torque reaction control: Helps manage engine movement during acceleration, deceleration and gear changes
•  Correct OE stiffness: Engineered material durometer and geometry for non-dynamic mount applications
•  Direct fit: Porsche-matched mounting points, bushings and hardware interface

Fitment / Position on Car:
•  Installed on: Engine-to-chassis interface
•  Location: One of the front or rear engine mounting points (per factory diagram — often one per side of crankcase on 718 models)
•  Orientation: Mounts between cast engine bracket and chassis frame/bracket

Engine mounts are critical to both vehicle comfort and mechanical integrity. As rubber and bonding materials age, mounts can harden, crack, or break - leading to:
•  Increased engine noise in the cabin
•  Harsh vibration or shaking at idle
•  Excessive engine movement under load
•  Accelerated wear on adjacent components

Replacing worn mounts with a genuine Porsche OE mount like the 982399201A ensures the correct stiffness and isolation characteristics - avoiding the fitment issues, noise problems, and accelerated wear.

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982399201A

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