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Gearbox Mounts
By OE Match
- 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>>
This OE Match gearbox mount set includes two transmission mounts along with the correct genuine Porsche mounting hardware required for installation. Designed as a direct-fit replacement for Porsche factory components, this kit provides the proper support and vibration damping needed to maintain stable drivetrain operation in Porsche 718 Boxster and Cayman (982) models.
SET OF 2
Fits:
Porsche 718 (982) Boxster 2.0L / 2.5L 2017>>
Porsche 718c (982C) Cayman 2.0L / 2.5L 2017>>
Diagram ref no 4, 5, 7 and 8
The gearbox mount is a structural component that connects the transmission to the vehicle chassis. These mounts are engineered to replicate the design and damping characteristics of the original Porsche part, ensuring the gearbox remains correctly positioned while isolating drivetrain vibrations. Hydraulic-style construction helps absorb movement from the engine and transmission during acceleration, braking and gear changes.
This kit includes all components required for installation:
2 × OE Match Gearbox Mounts – Porsche ref 982399201A
4 × Genuine Porsche Hexagon head bolts BM8 × 50 – PAF008150
4 × Genuine Porsche Hexagon Nuts M8 – PAF003923
2 × Genuine Porsche Nuts M12 × 1,5 – 99908600902
This set of two mounts allows both sides of the gearbox support system to be replaced simultaneously, ensuring balanced support and consistent drivetrain performance. Genuine Porsche bolts and nuts are included to provide the correct high-strength hardware required for safe and accurate installation.
Gearbox mounts secure the transmission to the chassis while absorbing vibration and limiting excessive drivetrain movement. When functioning correctly, they help maintain smooth power delivery, reduce cabin vibration and keep the gearbox aligned during shifting.
Replacing worn mounts with this OE Match pair restores proper drivetrain stability and ensures the transmission remains securely supported under load.
Transmission mounts can deteriorate over time due to heat, vibration and repeated drivetrain loads. Worn mounts may allow excessive movement of the gearbox, resulting in clunking noises during gear changes, increased vibration in the cabin and reduced drivetrain stability. Replacing both mounts at the same time ensures even support across the drivetrain, restoring smooth shifting behaviour and improving overall driving comfort.
Replace the gearbox mounts if you notice:
• Clunking or knocking during gear changes
• Increased vibration through the chassis or cabin
• Drivetrain movement under acceleration or braking
• Visible cracking or collapse of the mount
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
982399201A
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 Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
This OE Match transmission mount is a high-quality replacement component designed to support and secure the gearbox to the vehicle chassis in Porsche 718 models. It mount that connects the transmission assembly to the chassis structure. It uses internal damping technology to absorb drivetrain vibrations while maintaining the correct position of the gearbox. By replicating the dimensions and performance characteristics of the original Porsche part, it offers a direct-fit replacement solution suitable for maintenance or drivetrain repairs.
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
The transmission mount stabilises the gearbox and isolates drivetrain vibration from the vehicle body. It keeps the transmission correctly aligned during acceleration, braking and gear changes, helping ensure smooth power delivery and reducing noise or harshness felt inside the cabin
Function
• Drivetrain Support: Secures the transmission to the chassis structure.
• Vibration Dampening: Hydraulic design absorbs engine and gearbox vibrations.
• Alignment Stability: Maintains correct gearbox positioning under load.
• Driving Comfort: Helps reduce noise, vibration and harshness during operation.
Transmission mounts can deteriorate over time due to heat, load cycles and vibration. When worn, they may allow excessive drivetrain movement, leading to clunking noises during gear changes, increased vibration in the cabin and reduced drivetrain stability. Replacing the mount with an OE Match part restores proper gearbox support and smooth driving characteristics.
Consider replacing the transmission mount if you notice:
• Clunking or movement during gear shifts
• Increased vibration in the cabin
• Drivetrain movement under acceleration or braking
• Visible cracking or collapse of the mount
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
982399201A
The product you are viewing cross references to these numbers
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
