Shock absorber supporting top mount rear. Porsche 997.1 C2 / C4 2005-08 Cabrio  ❭  99733306103

Shock absorber supporting top mount REAR
This OE Match rear shock absorber supporting top mount is a direct replacement for the original Porsche component fitted to 997-generation 911 models equipped with standard suspension/chassis option I029. Installed at the upper mounting point of the rear suspension strut assembly, it secures the shock absorber to the vehicle body while providing controlled flexibility and vibration damping. This is suitable for both left and right rear applications and is commonly replaced during rear shock absorber servicing or suspension overhaul work.
Typically 2 required per vehicle, sold individually.

Fits:
For Cars with Standard Chassis (I029)
Porsche 997 C2 / C4 MKI 2005 - 2008 CABRIO

Diagram ref no 2

The rear top mount secures the upper section of the shock absorber assembly to the chassis while cushioning suspension movement. It helps absorb vibration and impacts from the road, contributing to ride comfort, stability, and proper suspension performance.

Function
•  Secures rear shock absorber to vehicle chassis
•  Absorbs vibration and road impacts
•  Maintains proper suspension alignment and geometry
•  Reduces suspension noise and harshness
•  Supports smooth and controlled suspension movement

Over time, the rubber isolator inside the top mount can deteriorate due to age, suspension load, and road conditions. Worn mounts may cause knocking noises, excessive suspension movement, vibration, or reduced handling precision. Replacing worn top mounts restores suspension stability, improves ride comfort, and helps maintain proper shock absorber performance.

When to replace
•  Knocking or clunking noises from rear suspension
•  Excessive vibration or harsh ride quality
•  Visible cracking or deterioration of rubber mount
•  Uneven suspension movement or instability
•  During rear shock absorber replacement or suspension overhaul

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99733306103

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