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Shock absorber additional springs Set of 2 Porsche 997 MKI and MKII / 996 IX74 / M030 - 99634398009
99634398009/2KIT
Vehicle Group
- 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 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
Information
Shock absorber additional springs. SET OF 2. fits the FRONT Cars with SPORT chassis (Option code: I030/I480) one additional spring is required for each shock absorber, this is a set of 2
This is for the shock absorber as an additional spring, also known as a bump stop, stopper or helper spring, designed for the front strut assemblies on Porsche 997 models equipped with the Sport chassis (option codes I030 or I480). Front axle suspension assembly for Porsche 996/997 (1998–2012), serving as a rubber stop or bushing integrated into the strut structure.
Fits:
Porsche 997 C2 / C2S / C4 / C4S MKI 2005-08 - Cars with SPORT chassis (Option code: I030/I480)
Porsche 997 C2 / C2S / C4 / C4S MKII 2009-12 - Cars with SPORT chassis (Option code: I030)
Porsche 996 C2 / C2S / C4 / C4S - Cars with SPORT chassis (Option code: IX74 / M030)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99634398009
The product you are viewing cross references to these numbers
This is for the shock absorber as an additional spring, also known as a bump stop, stopper or helper spring, designed for the front strut assemblies on Porsche 997 models equipped with the Sport chassis (option codes I030 or I480). Front axle suspension assembly for Porsche 996/997 (1998–2012), serving as a rubber stop or bushing integrated into the strut structure.
Fits:
Porsche 997 C2 / C2S / C4 / C4S MKI 2005-08 - Cars with SPORT chassis (Option code: I030/I480)
Porsche 997 C2 / C2S / C4 / C4S MKII 2009-12 - Cars with SPORT chassis (Option code: I030)
Porsche 996 C2 / C2S / C4 / C4S - Cars with SPORT chassis (Option code: IX74 / M030)
This acts as a progressive load-bearing element, cushioning the suspension when the strut nears full compression. It helps prevent harsh bottoming-out, protecting both the strut and chassis from damage during aggressive driving or over bumps.
These components maintain ride quality and handling performance, especially under heavy loading or spirited cornering, keeping the suspension linear and controlled.
Common Issues & Considerations
Wear or Deterioration: Over time, the rubber can compress, crack, or lose elasticity, diminishing its effectiveness. This can lead to harsher suspension impacts at full compression.
Noise or Harsh Feedback: A worn or hardened bump stop can transmit noise or impacts through the cabin, particularly over rough roads or speed bumps.
Sport vs. Standard Suspension: These parts are specific to Sport chassis models. Non-sport setups may not have the same bump stops or use different part numbers, so swapping or replacing must be done accordingly.
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99634398009
99634398009
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
2 x Shock Absorber Additional Spring. Porsche 997 MKI and MKII, 996 IX74 / M030 (99634398009/2
Price: €41.30
In stock
Related products
Vehicle Group
- 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
Information
Shock absorber gasket.
FRONT
Fits:
Porsche 964 1989-94 All models
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434151180
The product you are viewing cross references to these numbers
FRONT
Fits:
Porsche 964 1989-94 All models
Diagram ref no 15
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96434151180
96434151180
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Price: €7.43
In stock
Vehicle Group
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Information
Shock Absorber Supporting Mount. FRONT.
The OE Match Front Shock Absorber Supporting Mount is a high-quality replacement suspension component designed to securely mount the front shock absorber assembly to the vehicle body while isolating noise, vibration and harshness from the cabin. Manufactured to OE specifications for fit, strength and durability, this supporting mount plays a critical role in maintaining suspension performance, ride comfort and steering precision.
Fits:
Diagram Ref No 2
Constructed from durable metal and bonded rubber components, the mount absorbs suspension loads while allowing controlled movement of the shock absorber during operation. It serves as the primary connection point between the suspension strut assembly and the chassis, helping to maintain proper suspension geometry and vehicle handling characteristics.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434301803
The product you are viewing cross references to these numbers
The OE Match Front Shock Absorber Supporting Mount is a high-quality replacement suspension component designed to securely mount the front shock absorber assembly to the vehicle body while isolating noise, vibration and harshness from the cabin. Manufactured to OE specifications for fit, strength and durability, this supporting mount plays a critical role in maintaining suspension performance, ride comfort and steering precision.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Diagram Ref No 2
Constructed from durable metal and bonded rubber components, the mount absorbs suspension loads while allowing controlled movement of the shock absorber during operation. It serves as the primary connection point between the suspension strut assembly and the chassis, helping to maintain proper suspension geometry and vehicle handling characteristics.
What This Product Does:
- Secures the front shock absorber assembly to the chassis.
- Supports suspension loads during driving.
- Absorbs and isolates noise, vibration and harshness (NVH).
- Maintains correct suspension alignment and geometry.
- Allows controlled movement of the suspension assembly.
- Contributes to precise steering response and vehicle handling.
- Helps protect surrounding suspension components from excessive stress
- Supports ride comfort and driving stability.
Symptoms Of Wear Or Failure:
- Clunking or knocking noises from the front suspension.
- Excessive vibration transmitted into the cabin.
- Poor ride quality or harsh suspension operation.
- Wandering or instability during driving.
- Reduced steering precision.
- Uneven tyre wear.
- Visible cracking or separation of the rubber mount.
- Excessive movement within the suspension assembly.
- Misalignment of suspension components.
- Premature wear of shock absorbers and associated parts.
Why Replacement Matters:
- Front shock absorber supporting mounts are subjected to constant suspension movement, road impacts, cornering forces and environmental exposure. Over time, the rubber isolator can deteriorate, crack or separate from its housing, while the mount itself may suffer from fatigue and wear.
- A worn supporting mount can negatively affect suspension performance, steering accuracy and ride comfort. Excessive movement within the mount can place additional strain on shock absorbers, springs and steering components, potentially leading to accelerated wear and costly repairs.
- Replacing a worn or damaged shock absorber supporting mount restores proper suspension support, improves ride quality and maintains precise vehicle handling. An OE Match replacement provides factory-style fitment, dependable vibration isolation and long-lasting durability, helping preserve the comfort, safety and performance characteristics expected from your Porsche.
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96434301803
964-343-018-02
96434301803
96434301802
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Price: €116.82
In stock
Vehicle Group
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Information
Front Supporting Top Mount.
The OE Match Front Supporting Top Mount is a high-quality replacement suspension mounting component designed to secure the front shock absorber and suspension strut assembly to the vehicle chassis. Manufactured to OE specifications for fit, strength and durability, this top mount provides a vital connection between the suspension system and body structure while helping to isolate road noise, vibration and harshness from the cabin.
Fits:
Diagram Ref No 2
Constructed using durable metal and bonded rubber components, the supporting top mount is engineered to withstand the constant loads generated by steering, braking, cornering and uneven road surfaces. It plays a crucial role in maintaining suspension geometry, ride comfort and steering precision while supporting the safe operation of the front suspension system.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96534301803
The product you are viewing cross references to these numbers
The OE Match Front Supporting Top Mount is a high-quality replacement suspension mounting component designed to secure the front shock absorber and suspension strut assembly to the vehicle chassis. Manufactured to OE specifications for fit, strength and durability, this top mount provides a vital connection between the suspension system and body structure while helping to isolate road noise, vibration and harshness from the cabin.
Fits:
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Diagram Ref No 2
Constructed using durable metal and bonded rubber components, the supporting top mount is engineered to withstand the constant loads generated by steering, braking, cornering and uneven road surfaces. It plays a crucial role in maintaining suspension geometry, ride comfort and steering precision while supporting the safe operation of the front suspension system.
What This Product Does:
- Secures the front suspension strut and shock absorber assembly to the chassis.
- Supports suspension loads during driving.
- Isolates vibration, noise and harshness from the cabin.
- Maintains correct suspension geometry and wheel alignment.
- Allows controlled suspension movement during operation.
- Contributes to precise steering response and handling stability.
- Helps protect surrounding suspension components from excessive stress.
- Supports ride comfort and vehicle control.
Symptoms Of Wear Or Failure:
- Clunking, knocking or creaking noises from the front suspension.
- Increased vibration transmitted through the steering wheel or cabin.
- Poor ride quality or harsh suspension operation.
- Wandering or instability while driving.
- Reduced steering accuracy and responsiveness.
- Uneven tyre wear patterns.
- Visible cracks or deterioration in the rubber mount.
- Excessive movement within the suspension assembly.
- Suspension misalignment.
- Premature wear of shocks, struts or associated suspension components.
Why Replacement Matters:
- The front supporting top mount is subjected to constant suspension movement, road impacts, steering forces and environmental exposure throughout its service life. Over time, the rubber isolator can deteriorate, harden or separate from the metal housing, reducing its ability to absorb vibration and properly support the suspension assembly.
- A worn top mount can negatively affect ride quality, steering precision and overall handling performance. Excessive movement within the mount may also place additional stress on shock absorbers, springs and steering components, accelerating wear and increasing maintenance costs.
- Replacing a worn or damaged front supporting top mount restores proper suspension support, improves driving comfort and helps maintain accurate suspension geometry. An OE Match replacement provides factory-style fitment, dependable durability and effective vibration isolation, ensuring your Porsche continues to deliver the ride quality, handling characteristics and performance expected from the marque.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96534301803
965-343-018-03
96534301802
96534301803
The product you are viewing cross references to these numbers
Price: €116.82
In stock