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HD Transmission / Gearbox Mount Bush. Porsche 964 C4 - 96437505502
96437505502/3
Vehicle Group
- Porsche 964 (911) C4 1989-93
Information
HD Transmission / Gearbox Mount Bush.
Eliminate drivetrain slop and restore crisp gear changes with this HD Transmission / Gearbox Mount Bush.
Designed for the Porsche 964 C4, this heavy-duty mount uses a stiffer, high-durometer rubber compound (approximately 25 % firmer than factory rubber) to control gearbox motion and maintain precise alignment under load.
Sold Each.
Fits:
Diagram Ref No 23
What This Product Does:
Why Upgrading Matters:
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96437505502
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Eliminate drivetrain slop and restore crisp gear changes with this HD Transmission / Gearbox Mount Bush.
Designed for the Porsche 964 C4, this heavy-duty mount uses a stiffer, high-durometer rubber compound (approximately 25 % firmer than factory rubber) to control gearbox motion and maintain precise alignment under load.
Sold Each.
Fits:
- Porsche 964 (911) C4 1989-93
Diagram Ref No 23
What This Product Does:
- Securing the Transmission - It keeps the transmission firmly in place, resisting movement under torque, acceleration, or deceleration.
- Absorbing Vibration & Noise - The rubber or elastomer element isolates drivetrain vibrations so they don't transmit harshly into the cabin.
- Controlling Movement / Deflection - Under load, transmissions tend to twist or shift slightly. A stiffer mount reduces that movement, improving shift feel, drivetrain alignment, and response.
- Maintaining Drivetrain Geometry - By limiting transmission motion, it helps preserve correct angles and alignment of drive shafts, couplings, and linkage.
- Clunks or thuds when shifting or applying torque
- Movement or slop in the transmission under load
- Delays or vagueness in shifts due to misalignment
- Excess vibration or drivetrain shake in the cabin
- Wear or stress on driveline components (e.g. drive shafts, joints)
- The transmission might feel “loose” under acceleration or deceleration
Why Upgrading Matters:
- Improved Shift Feel & Precision - A stiffer mount reduces movement that can dull shift quality or introduce slack.
- Better Drivetrain Alignment Under Load - Less motion keeps the transmission geometry stable, which protects driveshafts, joints, and couplers.
- Sharper Response - With less flex, the car responds more directly to throttle inputs without drivetrain “lag.”
- Balance of Comfort and Control - The HD rubber design offers more rigidity than stock but isn’t as harsh as solid mounts, so you still retain usable vibration isolation.
- Durability - A stiffer compound is more resistant to deformation, aging, oil, and heat, giving longer service life.
- Cost-Effective Upgrade - If the original bushing is degraded, installing an HD version is often a worthwhile performance upgrade.
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Price: €141.20
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