Shock absorber supporting top mount rear. Porsche 997 MKI and MKII  ❭  99733306100

Shock Absorber Supporting Top Mount, REAR.
Restore secure damper mounting and precise rear suspension operation with this OE Match Rear Shock Absorber Supporting Top Mount. Designed for compatible Porsche applications, this mount provides the upper connection between the rear shock absorber assembly and the vehicle's body or chassis.  

Fits:
For Cars with Standard Chassis (I029)

Porsche 997 C2 / C2S / C4 MKI 2005-08 COUPE / TARGA
Porsche 997 C2 MKII 2009-12 COUPE
Porsche 997 C4 MKII 2009-12 COUPE / TARGA

Diagram Ref No 2

The rear shock absorber controls suspension compression and rebound as the vehicle travels over changing road surfaces. For the damper to work effectively, it must remain securely located at its mounting points. The supporting top mount transfers suspension loads into the vehicle structure while helping isolate vibration and unwanted harshness.

Constant suspension movement, road impacts, heat, moisture and age can cause the original mount and its isolation material to deteriorate. Once excessive play develops, the shock absorber may move at its upper attachment point, potentially causing knocking noises and reducing suspension precision.

This OE Match Rear Shock Absorber Supporting Top Mount provides a high-quality replacement for a worn, cracked, loose or damaged original component.

What This Product Does:

• Secures the upper section of the rear shock absorber to the vehicle.
• Maintains correct positioning of the damper during suspension movement.
• Transfers suspension forces between the shock absorber and chassis.
• Supports controlled suspension compression and rebound.
• Helps isolate vibration and harshness from the vehicle body.
• Reduces unwanted movement at the upper damper mounting point.
• Helps maintain consistent rear suspension behaviour.
• Supports stable and predictable handling.
• Works with the rear damper and associated suspension components.
• Replaces a worn, deteriorated or damaged original mount.
• Provides an OE-style replacement for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Knocking or clunking from the rear suspension.
• Rattling over rough or uneven roads.
• Noise when travelling over bumps or potholes.
• Excessive movement at the upper shock absorber mounting point.
• Increased vibration transmitted through the vehicle body.
• Rear suspension that feels loose or unsettled.
• Reduced suspension refinement.
• Visible cracks in the mount's rubber or isolation material.
• Rubber separating from the surrounding mount structure.
• Distortion or physical damage to the mount.
• Corrosion around the mount or mounting hardware.
• Loose or damaged mounting fasteners.
• Wear discovered while servicing or replacing the rear shock absorbers.  

Why Replacement Matters:

• The shock absorber depends on a solid and correctly located mounting point to control suspension movement effectively. When the top mount becomes worn, some suspension movement can be absorbed as unwanted movement within the mounting point rather than being properly controlled by the damper.
• This can produce knocking or rattling noises and may make the rear suspension feel less precise. On a performance-focused Porsche, unwanted movement in suspension mounting components can also reduce the consistency of the chassis response during cornering, braking and rapid changes of direction.
• Deteriorated isolation material can allow additional vibration and harshness to pass into the vehicle body. Severe deterioration may also place unnecessary loads on the shock absorber, mounting hardware and surrounding chassis structure.
• A damaged top mount should not be ignored simply because the shock absorber itself remains functional. Both components must be securely connected for the suspension to operate as intended.
• Replacing a worn component with this OE Match Rear Shock Absorber Supporting Top Mount helps restore secure damper location, reduce unwanted movement and maintain predictable rear suspension performance.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99733306100

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