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- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
This Rear Coil Spring Spacer is an OE-style rear suspension spacer designed for Porsche 991.1 and 991.2 models. It is fitted within the rear suspension spring assembly to support correct spring positioning, ride height, and suspension alignment.
Sold individually, 2 required - fits left or right suspension strut
Fits:
Porsche 991.1 Carrera 2012 - 2016
Porsche 991.2 Carrera 2017 - 2019
Porsche 991.1 Turbo 2014 - 2016*
* option code: 352 - Electronic damper control for PASM and PDCC
* option code: 475 - PASM electronic damper control
Porsche 991.1 Turbo 2017-20
Diagram ref no 4
This component is commonly replaced during suspension refurbishment, spring replacement, or preventative maintenance to restore proper rear suspension operation and eliminate unwanted suspension noise or uneven ride height.
The rear coil spring spacer supports and positions the rear coil spring within the suspension assembly. It helps maintain correct ride height, reduces vibration and noise, and ensures stable suspension operation under varying driving conditions.
Function
• Positions and supports rear coil spring correctly
• Maintains proper rear ride height and suspension geometry
• Reduces vibration and suspension noise
• Prevents metal-to-metal contact within suspension assembly
• Helps distribute suspension loads evenly
Over time, suspension spacers can compress, crack, or deteriorate due to repeated suspension movement, load stress, and environmental exposure. A worn spacer may cause suspension noise, uneven ride height, poor spring seating, or increased vibration. Replacing worn spring spacers restores proper suspension support, ride comfort, and chassis stability.
When to replace
• Suspension squeaks or knocking noises
• Uneven rear ride height
• Visible cracking or deformation of spacer
• During coil spring or shock absorber replacement
• Preventative maintenance during suspension overhaul
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99133351100
The product you are viewing cross references to these numbers
- 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 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 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 GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Fits:
- Porsche 997 Carrera 2 3.6L 2005>>
- Porsche 997 Carrera 2S 3.8L 2005>>
- Porsche 997 Carrera 4 3.6L 2005>>
- Porsche 997 Carrera 4S 3.8L 2005>>
- Porsche 997 TURBO 2007>>
- Porsche 997 GT3 2007>>
- Porsche 997 GT2 2007>>
- Porsche 997 MKII Carrera C2 3.6L 2009>>
- Porsche 997 MKII Carrera C4 3.6L 2009>>
- Porsche 997 MKII Carrera C2S 3.8L 2009>>
- Porsche 997 MKII Carrera C4S 3.8L 2009>>
- Porsche 997 MKII GT3 2010>>
- Porsche 997 MKII Turbo 2009>>
- Porsche 997 MKII GT2 RS 2011>>
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.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733310501
The product you are viewing cross references to these numbers
- 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 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 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 GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Shock absorber additional springs code 99733310501 with shock absorber bellows code 99333310701. fits the FRONT cars with sport shock I475 / I030
This package includes 2 x additional spring & 2 shock absorbers cover bellows
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 PASM electronic damper control (with sport shock I475 / I030).
Fits:
- · Porsche 997 Carrera 2 3.6L 2005>>
- · Porsche 997 Carrera 2S 3.8L 2005>>
- · Porsche 997 Carrera 4 3.6L 2005>>
- · Porsche 997 Carrera 4S 3.8L 2005>>
- · Porsche 997 TURBO 2007>>
- · Porsche 997 GT3 2007>>
- · Porsche 997 GT2 2007>>
- · Porsche 997 MKII Carrera C2 3.6L 2009>>
- · Porsche 997 MKII Carrera C4 3.6L 2009>>
- · Porsche 997 MKII Carrera C2S 3.8L 2009>>
- · Porsche 997 MKII Carrera C4S 3.8L 2009>>
- · Porsche 997 MKII GT3 2010>>
- · Porsche 997 MKII Turbo 2009>>
- · Porsche 997 MKII GT2 RS 2011>>
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 7 & 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733310501
The product you are viewing cross references to these numbers
- 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 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 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
Rear Shock absorber ring
Rear shock absorber ring by OE Match for selected Porsche 996 and 997.1 Carrera, Turbo, GT2 and GT3 models. This suspension component is positioned within the rear shock absorber and coil-spring assembly.
Price is each, 2 pcs required per car
Fits:
Porsche 996 C2 / C4 / C4S 1998 - 2005
Porsche 996 Turbo 2001 - 2005
Porsche 997.1 C2 / C4 / C2S / C4S 2005 - 2008
Porsche 997.1 Turbo / GT2
Porsche 997 GT3
Diagram ref no 4
What This Product Does
The ring forms part of the rear damper mounting arrangement, supporting the correct location of the shock absorber and adjacent suspension components. It is suitable for replacement during rear damper, spring or mounting work where the original ring is worn, damaged or missing.
Functions
- Forms part of the rear shock absorber and coil-spring assembly
- Provides a seating and support point within the damper installation
- Helps maintain the intended position of the associated suspension components
- Allows ageing mounting hardware to be renewed during suspension servicing
Technical Details
- Brand: OE Match
- Reference number: 99733350400
- Installation position: Rear
- Diagram ref no 4
Symptoms of Fault
- Knocking or rattling from the rear suspension
- Movement around the rear damper mounting assembly
- Visible compression, cracking or deterioration of the original ring
- Noise continuing after damper replacement because old mounting parts were reused
Why Replacement Matters
Ageing rear shock absorber hardware can contribute to unwanted movement or suspension noise. Inspecting and renewing this ring while the damper assembly is dismantled can avoid reusing a deteriorated component and repeating the same labour later. Check the supporting mounts, bump stops, bellows, springs and fasteners at the same time.
FAQs
- How many are required?
Two rings are required per car, with one used on each side of the rear suspension. - Should both sides be replaced together?
Replacing both sides is generally advisable where the existing components are of the same age and condition. - What else should be inspected?
Check the rear dampers, supporting mounts, springs, bump stops, protective bellows and mounting hardware while the assembly is accessible.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733350400
The product you are viewing cross references to these numbers
- 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 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 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 GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Fits:
- Porsche 997 Carrera 2 3.6L 2005>>
- Porsche 997 Carrera 2S 3.8L 2005>>
- Porsche 997 Carrera 4 3.6L 2005>>
- Porsche 997 Carrera 4S 3.8L 2005>>
- Porsche 997 TURBO 2007>>
- Porsche 997 GT3 2007>>
- Porsche 997 GT2 2007>>
- Porsche 997 MKII Carrera C2 3.6L 2009>>
- Porsche 997 MKII Carrera C4 3.6L 2009>>
- Porsche 997 MKII Carrera C2S 3.8L 2009>>
- Porsche 997 MKII Carrera C4S 3.8L 2009>>
- Porsche 997 MKII GT3 2010>>
- Porsche 997 MKII Turbo 2009>>
- Porsche 997 MKII GT2 RS 2011>>
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 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733310501
The product you are viewing cross references to these numbers
This kit is comprised of the following items: