Shock Absorber Parts REAR

Rear coil spring spacer
This Porsche Genuine OE Rear Coil Spring Spacer is an original factory rear suspension spring spacer / insulator insert designed for Porsche 911 (991.1 and 991.2) models. Installed within the rear suspension assembly, this component sits between the coil spring and suspension mounting surface to provide correct positioning, vibration isolation, and load distribution. Porsche also refers to this part as a spring insert, spring seat, or spring insulator.
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

The rear coil spring spacer cushions and isolates the coil spring from the suspension mounting points, helping reduce vibration and suspension noise while ensuring proper spring alignment.

 It also helps maintain the correct ride height and suspension geometry by distributing load evenly through the rear suspension assembly.

Functions & Technical Role
•  Spring insulation: Reduces vibration and noise transfer through the suspension
•  Load distribution: Supports proper seating of the rear coil spring
•  Ride height support: Helps maintain correct suspension geometry
•  Suspension protection: Reduces stress between spring and mounting surfaces
•  OEM precision: Engineered to Porsche specifications for exact fitment and durability

Fitment / Position on car
•  Fitting position: Rear axle
•  Location: Rear coil spring / shock absorber assembly
•  Side: Left = Right
•  System: Rear suspension and damping system

The spring spacer helps reduce suspension vibration and prevents metal-to-metal contact between the coil spring and mounting surfaces. It also supports correct ride height and suspension performance.

When to replace
•  Suspension noise or creaking from the rear axle
•  Collapsed, cracked, or worn spring insulator
•  Uneven spring seating or ride height
•  During rear suspension or shock absorber overhaul
•  Excessive vibration transferred into the chassis

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99133351100

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Rear coil spring spacer
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

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99133351100

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Rear shock absorber bellow.



Fits:
Porsche 991 GT3-3 2014-17
Porsche 991 GT3-3 2018-21
Porsche 991 GT3-3 2014-21 Speedster

Click 'Zoom in' for large parts diagram.
Diagram ref no 6


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99133310781

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Rear shock absorber lower mount monoball kit.
1 kit required per car



Fits
Porsche 991 2012 Onward - Rear Only

These monoball cartridges replace factory rear shock lower mount bushings with hardened-steel spherical bearings.
The factory rubber acts as a spring in series with the shock. This rubber spring-action is completely un-damped and reduces the shock ability to control the tire contact patch. The spherical bearing allows the damper to do its job and control the contact patch.

High tolerance machined housing allow for simple press fit installation.

The kit includes 2 monoball bearings. 1 per side and inserts into the rear upright.
Order one kit per car

Weather Sealed
Monoball housing and spacers are hard anodized to protect from corrosion. Rubber seals keep the precision bearing from road contaminates for extended life of the product.

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2260016

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Rear shock absorber mounting.



Fits:
Porsche 991 GT2 RS 2014-20
For cars with PASM electronic damper control (option code: 475)

Porsche 991 GT3 3.8L (475Bhp)

Porsche 991 GT3 RS 4.0L (500Bhp)

Porsche 991 R 4.0L (500 Bhp)

Porsche 991 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp)

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

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99133306181

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Rear shock absorber spring seat support.



Fits:
Porsche 991.1 Turbo 2014-16*
* option code: 352 - Electronic damper control for PASM and PDCC
* option code: 475 - PASM electronic damper control
Porsche 991.1 Turbo 2017-20

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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99133352302

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Rear shock mount kit.
1 kit required per car



Fits:
Porsche 991 12>> w/ coilovers or shocks

These shock mounts use high strength hardened steel spherical bearings and are direct replacements for the factory mounts. The Teflon lined spherical bearings used in our kit are maintenance-free and require no supplemental lubrication. Included seals prevent contamination from water or grime, thus extending bearing life.

Porsche used spherical bearings on the 991 GT3 and Cup Cars. We went one step further and added larger bearings and weather-seals to ensure longevity.

Fully Weather Sealed

We’ve designed in weather seals to keep dirt out and extend product life. This is the only shock mount suitable for street or extended track use. Dirt and water contaminate ordinary products and accelerate wear.

Improved shock / coilover performance

The spherical bearings pivot freely and eliminate the deflection that is inherent with the factory rubber bushings.
This is important for two reasons:

– The factory rubber acts as a spring in series with the shock. This rubber spring-action is completely un-damped and reduces the shocks ability to control the tire contact patch. The spherical bearing allows the damper to do its job and control the contact patch.
– The factory rubber deflects sideways under cornering loads, causing loss of camber just when you need it most. Our spherical bearings eliminate the deflection, maintaining stable and predictable camber.

These will work with stock springs and coilover suspensions.


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2152208

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Rear shock mount washer, 12,5 x 19,1 x 3
The Porsche Genuine OE Rear Shock Mount Washer is an original factory suspension mounting washer / strut mount washer used within the rear shock absorber mounting assembly on a range of Porsche performance models.
Sold individually, 2 required per vehicle

Fits:
Porsche 997.1 2005 - 2008 All models
Porsche 997.2 2009 - 2012 All models
Porsche 991.1 2012 - 2016 All models
Porsche 991.2 2017 - 2019 All models
Porsche 918 Spyder 2015

The washer sits within the rear shock absorber mounting assembly and helps evenly distribute clamping force between the shock absorber, mounting hardware, and supporting plates.

Its role is essential in maintaining:
•   Correct shock absorber positioning
•   Stable suspension mounting geometry
•   Reduced stress on suspension components
•   Proper load transfer through the rear suspension system

This small component plays an important role in ensuring reliable suspension operation under both normal driving and high-performance conditions.

Functions & Technical Role
•  Load distribution: Spreads mounting force evenly across the suspension assembly
•  Mounting support: Helps stabilise rear shock absorber mounting components
•  Suspension alignment: Maintains correct rear strut positioning
•  Vibration resistance: Reduces stress and movement within the suspension mount
•  OEM precision: Manufactured to Porsche factory specifications for exact fitment and durability

Fitment / Position on Car
•  Fitting position: Rear suspension
•  Location: Rear shock absorber / upper strut mounting assembly
•  System: Rear suspension and shock absorber mounting system

The washer helps maintain correct rear shock absorber mounting alignment and prevents uneven stress within the suspension assembly. Worn or damaged mounting hardware can affect suspension stability and long-term component durability.

When to replace
•  During rear suspension or shock absorber overhaul
•  Damaged, bent, or corroded mounting hardware
•  Suspension mount wear or movement
•  Accident or suspension impact damage
•  When replacing associated top mount components

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WHT008575

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Rear shock mount washer, 12,5 x 19,1 x 3
This OE Match rear shock mount washer is a direct replacement for the original Porsche suspension mounting washer fitted to selected Porsche 997, 991, and 918 Spyder models. It forms part of the rear shock absorber mounting assembly and helps distribute load evenly across the suspension top mount and supporting components.
Sold individually, 2 required per vehicle

Fits:
Porsche 997.1 2005 - 2008 All models
Porsche 997.2 2009 - 2012 All models
Porsche 991.1 2012 - 2016 All models
Porsche 991.2 2017 - 2019 All models
Porsche 918 Spyder 2015

Diagram ref no 10

Installed within the rear suspension strut mounting assembly, the washer sits between the shock absorber mount and associated suspension hardware. It helps spread mounting loads evenly across the shock absorber top mount, reducing stress concentration on suspension components while supporting correct alignment and secure fastening of the rear suspension system

This washer is commonly replaced during rear shock absorber servicing, suspension rebuilds, or top mount replacement work. Over time, mounting hardware can become worn, distorted, or corroded due to repeated suspension load cycles and environmental exposure. Replacing worn suspension washers helps maintain correct mounting integrity and ensures proper operation of the rear suspension assembly.

The washer is also referenced under previous Porsche part number 99902527102

The rear shock mount washer distributes suspension mounting load across the shock absorber top mount assembly, helping maintain secure suspension fastening, correct alignment, and stable suspension operation.

Function
•  Supports rear shock absorber mounting assembly
•  Distributes suspension load evenly across mounting surfaces
•  Helps maintain secure shock absorber fastening
•  Reduces stress on suspension mounting components
•  Supports stable rear suspension operation and alignment

Suspension mounting hardware is subjected to constant load, vibration, and road impact. Over time, washers can become distorted, fatigued, or corroded, potentially affecting suspension mounting integrity and alignment. Replacing worn suspension washers during shock absorber or top mount servicing helps ensure secure assembly and reliable suspension performance.

When to replace
•  During rear shock absorber replacement
•  During suspension top mount servicing
•  Corroded or damaged mounting hardware
•  Suspension overhaul or refurbishment
•  Preventative maintenance during suspension rebuilds

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WHT008575

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Insert for rear shock top mount.



Fits:
Porsche 991.1 C2 / C2S / C4 / C4S / Turbo
Porsche 991.2 C2 / C2S / C4 / C4S / Turbo

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

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99133369101

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Rear upper shock absorber mount.

Fits:

• Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
• Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
• Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
• Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
• Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
• Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Targa 4S 3.0L (420 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
• Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
• Porsche 992.1 Carrera 2 3.0L 2019-24
• Porsche 992.1 Carrera 4 3.0L 2019-24
• Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
• Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
• Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
• Porsche 992.1 Targa 4 3.0L 2020-24
• Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
• Porsche 992.1 Speedster 4.0L 2019-24
• Porsche 992.1 Turbo 3.8L 2020-24
• Porsche 992.1 Turbo S 3.8L 2020-24
• Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
• Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
• Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
• Porsche 992.1 (911) Sport Classic 3.8L 2023

Option code for above cars:
(352) Electronic damper control for PASM and PDCC
(472) PASM electronic damper control

• Porsche 992.2 Carrera 2 3.0L 2024>>
• Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
• Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
• Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
• Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
• Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
• Porsche 992.2 Targa 4 GTS 3.6L 2024>>
• Porsche 992.2 Turbo 3.6L 2024>>

Diagram ref no 3

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9P1513353

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Rear upper shock absorber mount.

Fits:

• Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
• Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
• Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
• Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
• Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
• Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Targa 4S 3.0L (420 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
• Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
• Porsche 992.1 Carrera 2 3.0L 2019-24
• Porsche 992.1 Carrera 4 3.0L 2019-24
• Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
• Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
• Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
• Porsche 992.1 Targa 4 3.0L 2020-24
• Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
• Porsche 992.1 Speedster 4.0L 2019-24
• Porsche 992.1 Turbo 3.8L 2020-24
• Porsche 992.1 Turbo S 3.8L 2020-24
• Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
• Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
• Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
• Porsche 992.1 (911) Sport Classic 3.8L 2023

Option code for above cars:
(352) Electronic damper control for PASM and PDCC
(472) PASM electronic damper control

• Porsche 992.2 Carrera 2 3.0L 2024>>
• Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
• Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
• Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
• Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
• Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
• Porsche 992.2 Targa 4 GTS 3.6L 2024>>
• Porsche 992.2 Turbo 3.6L 2024>>

Diagram ref no 3

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9P1513353

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Shock absorber upper base, 70 Shore A.
This Shock Absorber Base, Upper Rear is an OE-style rear suspension mounting component designed for Porsche 991 models. It forms part of the upper rear shock absorber assembly and supports proper damper positioning and suspension operation. Installed at the upper section of the rear suspension strut assembly, the base works together with the shock absorber, spring assembly, and top mount components to stabilise suspension movement and absorb chassis loads.
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 Turbo 2014 - 2016 (I352 / I475)*
Porsche 991 Turbo 2017 - 2021 (I352 / I475)*

 * I352 - for cars with electronic damper control for PASM and PDCC
 * I475 - for cars with PASM electronic damper control

Diagram ref no 5

The upper shock absorber base supports and secures the rear damper assembly to the chassis while helping maintain correct suspension alignment and damping operation. It contributes to stable handling, ride comfort, and controlled suspension movement.

Function
•  Supports upper rear shock absorber assembly
•  Maintains correct suspension geometry and alignment
•  Helps stabilise rear suspension movement
•  Absorbs chassis and suspension loads
•  Supports proper PASM damper operation

Over time, suspension mounting components are subjected to repeated stress, vibration, and road impact. Wear or deterioration can lead to suspension noise, poor ride quality, inaccurate alignment, or reduced damper performance. Replacing worn upper shock absorber bases restores suspension stability, ride comfort, and proper rear axle control.

When to replace
•  Knocking or clunking noises from rear suspension
•  Excessive rear suspension movement or instability
•  During rear shock absorber replacement
•  Visible wear, cracking, or deformation
•  Uneven ride quality or vibration



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99133350400

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Shock absorber upper base
This Porsche Genuine OE Shock Absorber Upper Base is an original factory rear suspension mounting/support component designed for the Porsche 911 (991 generation). Also referred to as a support element, upper base, or upper spring/shock support, this component forms part of the rear shock absorber and coil spring assembly.
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 Turbo 2014 - 2016 (I352 / I475)*
Porsche 991 Turbo 2017 - 2021 (I352 / I475)*

 * I352 - for cars with electronic damper control for PASM and PDCC
 * I475 - for cars with PASM electronic damper control

Diagram ref no 

The upper base supports the upper section of the rear shock absorber assembly, helping position and stabilise the suspension components within the rear axle setup. It works together with the shock absorber, spring, and mounting hardware to ensure proper damping operation, load distribution, and vibration isolation. On PASM-equipped cars, it also supports the electronically controlled damper system.

Functions & Technical Role
•  Suspension support: Provides upper mounting support for the rear shock absorber assembly
•  Load distribution: Helps distribute suspension forces into the chassis
•  Vibration control: Assists in reducing vibration transfer through the suspension system
•  PASM compatibility: Designed for Porsche Active Suspension Management systems
•  OEM precision: Manufactured to Porsche factory tolerances for exact fit and handling performance

Fitment / Position on car
•  Fitting position: Rear axle
•  Location: Upper section of rear shock absorber / spring assembly
•  System: Rear suspension / damping system

Suspension mounting components are constantly subjected to:
•  Road impacts
•  Suspension movement
•  Vibration and load transfer

Over time, wear or deterioration can lead to:
•  Suspension noise or knocking
•  Reduced ride quality
•  Excessive movement in the damper assembly
•  Poor handling stability

Replacing worn components with genuine Porsche OE parts restores correct suspension operation and preserves factory driving dynamics.

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Shock absorber bellow, Rear axle.
This OE Match Shock Absorber Bellow is an protective dust boot designed specifically for Porsche 991 and 992 models equipped with Sport Suspension. It protects the exposed shock absorber piston rod from dirt, moisture, and road debris, helping maintain proper damper performance and longevity.
Sold individually, 2 required per vehicle

Fits:
Porsche 991.1 Carrera 2012 - 2016 
 * option code: 030 - Sport suspension
 * option code: 031 - Sport chassis with PASM and PDCC
 * option code: 352 - Electronic damper control for PASM and PDCC
 * option code: 475 - PASM electronic damper control

Porsche 991.2 Carrera 2017 - 2019
 * option code: 030 - Sport suspension
 * option code: 031 - Sport chassis with PASM and PDCC

Porsche 992.1 Carrera 2019 - 2024
Porsche 992.2 Turbo 2020 - 2024
 * option code: 1BV - Sports Suspension/shock absorption, 

Porsche 992.2 Carrera 2024>>
Porsche 992.2 Turbo 2024>>
 * option code: 1BV - Sports Suspension/shock absorption, 

Diagram ref no 10

The shock absorber bellow (dust boot) surrounds the piston rod and compresses/extends with suspension movement. Its primary function is to shield the damper shaft seal from contamination. When the original boot cracks, tears, or deteriorates due to heat cycling, road salt, and ageing, dirt can enter the damper assembly - potentially causing premature seal wear and fluid leakage.

This OE Match bellow is manufactured to match original Porsche specifications in length, flexibility, and fitment. It is engineered for correct operation with sport suspension dampers, ensuring proper compression travel and interference-free performance.

Ideal for installation during shock absorber replacement, suspension upgrades, or preventative maintenance.

A damaged or missing shock absorber bellow exposes the damper shaft to debris and moisture, increasing the risk of seal failure and oil leakage. On sport suspension vehicles, where damping loads are higher, proper protection is essential. Replacing worn bellows helps preserve damper performance and prevent costly shock absorber replacement.

Replace the bellow if you notice:
•   Cracked, split, or missing dust boot
•   Visible damper shaft contamination
•   Suspension overhaul or shock replacement
•   Evidence of oil leakage from damper seals
•   Preventative maintenance on high-mileage vehicles

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