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Shock Absorber Parts REAR


Porsche 993 1994-98 (not RS)
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99333350300
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Fitting Position: Rear Axle left and right.

Fits:
Porsche 993 1994-98 (not RS)
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99333305901
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Rear
Geniune Porsche Product
Fits:
Porsche 993 1994-98 (not RS)
Diagram ref no 11
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
The OE Match Rear Shock Absorber Supporting Top Mount (99333305901/1) is a high-quality replacement suspension component designed to securely mount the rear shock absorber assembly to the vehicle chassis while isolating noise, vibration and harshness. Manufactured to OE specifications for fit, durability and performance, this top mount plays a critical role in maintaining rear suspension stability, ride comfort and handling characteristics.
Fits:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
Diagram Ref No 8
Constructed from robust metal and bonded rubber materials, the mount is engineered to absorb suspension loads generated during acceleration, braking, cornering and uneven road conditions. It provides a secure connection between the rear suspension assembly and body structure, helping to maintain correct suspension geometry and consistent vehicle dynamics.
What This Product Does:
- Secures the rear shock absorber assembly to the chassis.
- Supports suspension loads during normal vehicle operation.
- Absorbs and isolates noise, vibration and harshness (NVH).
- Maintains proper rear suspension geometry and alignment.
- Allows controlled suspension movement.
- Contributes to vehicle stability and handling performance.
- Protects surrounding suspension components from excessive stress.
- Enhances ride quality and passenger comfort.
Symptoms Of Wear Or Failure:
- Clunking, knocking or creaking noises from the rear suspension.
- Increased vibration transmitted into the cabin.
- Poor ride quality or excessive harshness.
- Excessive rear suspension movement.
- Reduced handling stability during cornering.
- Uneven tyre wear.
- Visible cracks, splitting or deterioration of the rubber mount.
- Excessive play in the shock absorber assembly.
- Rear-end instability over uneven road surfaces.
- Premature wear of shocks and related suspension components.
Why Replacement Matters:
- Rear shock absorber top mounts are subjected to continual suspension movement, road impacts, vibration and environmental exposure throughout their service life. Over time, the rubber isolator can deteriorate, harden, crack or separate from its metal housing, reducing its ability to effectively support and cushion the suspension assembly.
- A worn top mount can negatively affect ride comfort, suspension performance and vehicle stability. Excessive movement within the mount may place additional strain on shock absorbers, springs and suspension linkages, potentially leading to accelerated component wear and increased repair costs.
- Replacing a worn or damaged rear shock absorber supporting top mount restores proper suspension support, improves ride quality and helps maintain predictable handling characteristics. An OE Match replacement provides factory-style fitment, reliable vibration isolation and long-lasting durability, ensuring your Porsche continues to deliver the comfort, stability and performance expected from its suspension system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99333305901
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 993 1995-98 (not RS)
Porsche 996 1998-05
Porsche 996 Turbo / GT2 2001-05
Porsche 996 GT3 1999-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99902524002
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>

With certain applications using our 964/993 Adjustable Camber Plates (SR033/34) or Rear Shock Monoball Mounts (SR035/36) you may need to adapt the top of the spring (62mm ID) using our 964/993 Spring Top Hats.
Available with either a 12mm or 14mm through hole.
Sold as a set of two.
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Porsche Shock Absorber Parts REAR
Keep the rear of your Porsche composed and refined with quality rear shock absorber parts from Design911. Our range includes rear top mounts, bump stops, dust covers and fitting hardware to support correct damper operation, reduce noise and harsh impacts, and help prevent premature shock wear. Whether you are fitting new rear dampers, refreshing a tired suspension or solving rear knocking noises, we supply parts for classic and modern Porsche models to help restore a secure, confidence-inspiring ride.