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Shock absorber additional spring, Front. Porsche 997.1 / 997.2 › 99634330102
- 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 MK1 TURBO 2007-09
- 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
- Porsche 997 MKII Turbo 2010-13
This OE Match front shock absorber additional spring is a replacement suspension bump stop / auxiliary spring component for Porsche 997.1 and 997.2 models. It is designed to match the original-style fitment and function, helping support the front shock absorber assembly and protect suspension travel.
Sold individually, 2 required - fits left or right suspension strut
Fits:

Cars with standard chassis (Option code: I029) & PASM (Option code: I475)
Porsche 997.1 C2 / C2S 2005 - 2008
Porsche 997.1 C4 / C4S 2005 - 2008
Porsche 997.2 C2 / C2S 2009 - 2012
Porsche 997.2 C4 / C4S 2009 - 2012
Porsche 997.1 Turbo 2007 - 2009
Porsche 997.2 Turbo 2010 - 2013
Diagram ref no 9
The shock absorber additional spring works with the front suspension strut assembly to help support suspension travel and damping control. It assists the shock absorber during compression and helps protect suspension components from excessive movement or harsh bottoming under load.
Functions
• Replaces the front shock absorber additional spring
• Fits left or right front shock absorber assembly
• Helps support suspension compression control
• Assists the shock absorber during suspension travel
• Helps reduce harsh bottoming and impact loads
• Replaces worn, split, compressed, damaged, or missing original springs
• OE Match replacement for Porsche 997 front suspension repair.
Why Replace This Part?
Shock absorber additional springs can wear, compress, split, deteriorate, or become damaged due to age, road impact, suspension load, heat, and moisture. A worn or missing additional spring can reduce suspension control, cause harsh ride quality, increase noise over bumps, or place extra stress on related suspension components. Replacing it helps restore correct front suspension function and ride control.
When to Replace This Part
• The front shock absorbers are being replaced or serviced
• The additional spring is worn, split, compressed, damaged, or missing
• Front suspension knocks, harshness, or bottoming is present
• Suspension travel feels poorly controlled
• Strut top mounts, bump stops, or related components are being renewed
• The front suspension assembly has been removed
• Preventative replacement is being carried out during suspension overhaul.
Where it fits on the car
This additional spring fits on the front shock absorber / strut assembly on Porsche 997.1 and 997.2 models. It can be used on the left or right front shock where part number 99634330102 is specified.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99634330102
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
- Porsche 912E 4CYL 1976
Stock / Sport replacement (harder rubber) - 85 Shore rating
1 kit required per car
Fits:
Porsche 911 / 912 / 930 / 914 All 1969-89
Will not fit SWB cars
These 911, 914 strut mounts with stiffer rubber bushings are perfect for street / sport use.
Rubber Re-bush
A true rubber replacement bushing for the factory strut top camber plates.
"Sport" hardness rubber compound improves performance by reducing deflection under load, while maintaining the ride characteristics of rubber.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PR98A01P
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
- Porsche 912E 4CYL 1976
2 sets required per car
Fits:
Porsche 911 - 1969 to 1989
Porsche 911 turbo - 1975 to 1989
Porsche 912E - 1976
Porsche 914-6 - 1970 to 1976
Kit Includes:
2 x Taper roller bearing (inner and outer)
1 x Wheel bearing radial seal
1 x Wheel bearing spacer ring
1 x Wheel bearing spacer ring O-ring
Diagram ref no 23, 24, 29, 27 and 28
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WBEARINGKIT03
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
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