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Porsche > 996 (911) (1997-2005) > 996 C2 3.4L 1997-08/01 > Suspension & Axle >

Anti Roll Bar Bushes

Anti Roll Bar Bushes

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DISPLAYING 1 to 16 (of 23 products)
1 2
Rear stabilizer bar repair kit. Porsche 986 1997-04 - 99634306904, 99634307004, 99633377701, 99633379224, 90037805501
2
Rear stabilizer bar repair kit. Porsche 986 1997-04
SWAYBARKIT.986.R
Product Information
Product Information
Front stabilizer bar repair kit - Drop links, bushes, clamps and bolts
OE Match rear stabilizer bar repair kit for Porsche 986 Boxster models from 1997 to 2004. This complete rear anti-roll bar service kit includes drop links, 18.7mm stabilizer bar bushes, mounting clamps, and bolts to help restore rear suspension control, reduce unwanted movement, and improve anti-roll bar operation. This kit includes the key components commonly required when refreshing the rear stabilizer bar mounting and linkage system.
1 kit required per vehicle

Fits:
Porsche 986 Boxster 1997 - 2004

Diagram ref no 2, 3, 4, 5 & 6.

Kit Contents
 1 x Rear Left stabilizer bar drop link — 99634306904
 1 x Rear Right stabilizer bar drop link — 99634307004
 2 x Rear stabilizer bar bushes, 18.7mm — 99633379224
 4 x Stabilizer bar bush clamp bolts — 90037805501
 2 x Stabilizer bar mounting clamps — 99633377701

The rear stabilizer bar helps reduce body roll during cornering by linking suspension movement across the rear axle. The drop links connect the stabilizer bar to the suspension, while the bushes and clamps secure the bar to the chassis. Replacing these components together helps restore correct rear anti-roll bar function and rear axle stability.

Functions
•  Replaces rear stabilizer bar drop links
•  Includes left and right rear drop links
•  Replaces rear stabilizer bar mounting bushes
•  Includes 18.7mm stabilizer bar bushes
•  Includes stabilizer bar clamps and fixing bolts
•  Helps secure the rear anti-roll bar correctly
•  Supports stable rear suspension and handling response
•  Helps reduce rear suspension knocking, looseness, and vibration
•  OE Match repair kit for Porsche 986 Boxster rear stabilizer bar service

Rear stabilizer bar components are exposed to road dirt, moisture, suspension load, vibration, heat, and age. Drop link joints can wear or develop play, bushes can crack or compress, clamps can corrode, and bolts can seize or become damaged during removal. Worn components may cause rear suspension knocking, increased body roll, vague handling, uneven response, or failed inspection. Replacing the drop links, bushes, clamps, and bolts together helps restore a secure and balanced rear anti-roll bar assembly.

When to Replace This Kit
•  Rear suspension knocking or clunking is present
•  Rear drop links are worn, loose, noisy, or damaged
•  Stabilizer bar bushes are cracked, split, compressed, or missing
•  Clamps or bolts are corroded, seized, or damaged
•  Rear anti-roll bar service or suspension refresh is being carried out
•  Handling feels vague or body roll has increased
•  The vehicle is undergoing Porsche 986 Boxster suspension restoration

Where it fits on the car
This kit fits on the rear stabilizer bar / rear anti-roll bar assembly on Porsche 986 Boxster models from 1997 to 2004. It services the rear bar linkage and mounting points across the rear axle.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SWAYBARKIT.986.R
99634306904
99634307004
99633377701
99633379224
90037805501

The product you are viewing cross references to these numbers
Rear stabilizer bar repair kit. Porsche 996 Turbo - 99633306904, 99633379227, 90037805501, 99633377701
2
Rear stabilizer bar repair kit. Porsche 996 Turbo
SWAYBARKIT.996T.R
Product Information
Product Information
Rear stabilizer bar repair kit - Drop links, bushes, clamps and bolts
OE Match rear stabilizer bar repair kit for Porsche 996 Turbo models. This complete rear anti-roll bar service kit includes drop links, stabilizer bar bushes, mounting clamps, and bolts to help restore rear suspension control and reduce unwanted movement or knocking. This kit includes the key components commonly required when refreshing the rear stabilizer bar mounting and linkage system.
1 kit required per vehicle

Fits:
Porsche 996 Turbo 2000 - 2005

Diagram ref no 2, 3, 4, 5 & 6.

Kit Contents
 2 x Rear stabilizer bar drop links — 99633306904
 2 x Rear stabilizer bar bushes — 99633379227
 4 x Stabilizer bar bush clamp bolts — 90037805501
 2 x Stabilizer bar mounting clamps — 99633377701

The rear stabilizer bar helps reduce body roll during cornering by linking suspension movement across the rear axle. The drop links connect the stabilizer bar to the suspension, while the bushes and clamps secure the bar to the chassis. Replacing these components together helps restore correct rear anti-roll bar operation and rear axle stability.

Functions
• Replaces rear stabilizer bar drop links
•  Replaces rear stabilizer bar mounting bushes
•  Includes stabilizer bar clamps and fixing bolts
•  Helps secure the rear anti-roll bar correctly
•  Supports stable rear suspension and handling response
•  Helps reduce rear suspension knocking, looseness, and vibration
•  OE Match repair kit for Porsche 996 Turbo rear stabilizer bar service.

Why Replace This Kit?
Rear stabilizer bar components are exposed to road dirt, moisture, suspension load, vibration, heat, and age. Drop link joints can wear or develop play, bushes can crack or compress, clamps can corrode, and bolts can seize or become damaged during removal. Worn components may cause rear suspension knocking, increased body roll, vague handling, uneven response, or failed inspection. Replacing the drop links, bushes, clamps, and bolts together helps restore a secure and balanced rear anti-roll bar assembly.

When to Replace This Kit
•   Rear suspension knocking or clunking is present
•   Rear drop links are worn, loose, noisy, or damaged
•   Stabilizer bar bushes are cracked, split, compressed, or missing
•   Clamps or bolts are corroded, seized, or damaged
•   Rear anti-roll bar service or suspension refresh is being carried out
•   Handling feels vague or body roll has increased
•   The vehicle is undergoing Porsche 996 Turbo suspension restoration.

Where it fits on the car
This kit fits on the rear stabilizer bar / rear anti-roll bar assembly on Porsche 996 Turbo models. It services the rear bar link and mounting points across the rear axle.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SWAYBARKIT.996T.R
99633306904
99633379227
90037805501
99633377701

The product you are viewing cross references to these numbers
Stabilizer bar bush front, SET OF 2. Porsche 986 Boxster / 996 C2 Coupe - 99634379214, 414 615 0000
2
Stabilizer bar bush front, SET OF 2. Porsche 986 Boxster / 996 C2 Coupe
99634379214/1KIT
Product Information
Product Information
Anti-roll bar bush set, Front.
Also known as a stabiliser mounting or sway bar bush. The bushing secures the stabiliser to the chassis bracket and ensures optimal transfer of roll‐control forces during cornering, while maintaining isolation for a quiet, refined ride.
SET OF 2

Fits:
Porsche 986 Boxster 1997-04 2.5L / 2.7L
* Cars with standard suspension

Porsche 996 C2 Coupe
* Fits only Manual cars with standard suspension

Diagram Ref No 2.

• Position on Vehicle: Front axle, stabiliser (anti‐roll) bar mounting – bush between bar and chassis bracket.

• Applications: Suitable when the original stabiliser bar bush is worn, cracked, flattened or causing noise and reduced rear/ front roll-control. Essential for restoring proper roll-bar function and chassis behaviour.

The stabiliser bar (sway bar) plays a key role in controlling body roll and ensuring lateral stability during cornering. If the bushings that mount it to the chassis are worn, they permit unwanted movement, causing clunks, loose feel, excessive body lean or uneven tyre wear. Replacing these bushings with correctly sized units ensures the roll-bar functions correctly and your suspension performs as intended.

When and why to replace:
• You hear a knocking or clunking sound when cornering, going over bumps or when driving over rough roads.
• The front suspension feels vague or exhibits more body roll than normal.
• Visual inspection shows cracks, flattening or deformation of the bush.
• As part of a front suspension refresh, alignment work or whenever you're renewing multiple components for improved handling.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99634379214
99634379214
414 615 0000

The product you are viewing cross references to these numbers
Stabilizer bar bush Rear 19.8mm, SET OF 2. Porsche 986 / 987 / 996 / 997 - 99633379225, 99633379219 - URO-012591, MSB0561, 414 715 0001
2
Stabilizer bar bush Rear 19.8mm, SET OF 2. Porsche 986 / 987 / 996 / 997
99633379225/1KIT
Product Information
Product Information
Rear stabilizer bar bush, Size: 19.8mm
It’s a suspension rubber mount that fits around the anti-roll bar to secure it to the rear axle and help control chassis movement.
SET OF 2. Two bushings (left and right) are typically required per vehicle.

Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2005 Cars with Sport Suspension - Please choose by size
Porsche 987.1 Boxster 2005 - 2008 Cars with Sport Suspension
Porsche 996 C2 / C4 / C4S 1998 - 2005 *Cars with Sport Suspension - Please choose by size
Porsche 997.1 C2 / C2S / C4 / C4S 2005 - 2008 - Please choose by size

Diagram Ref No 2.

• Application: Rear anti-roll (stabilizer) bar bushing - fits around the 19.8 mm diameter stabilizer bar to mount it to the rear suspension subframe. Two bushings (left and right) are typically required per vehicle.

The anti-roll bar bushing cushions and secures the stabilizer bar to the rear suspension structure. This part helps maintain the correct position and movement control of the rear anti-roll bar, reducing unwanted body roll in corners and stabilizing the chassis during acceleration, braking, and steering.

Over time, the factory rubber in anti-roll bar bushings can harden, crack, or break down due to heat, age, and load cycles. Worn bushings can lead to:
• Increased body roll and reduced handling precision
• Clunking or knocking noises from the rear suspension
• Uneven tire wear
• Loose or sloppy cornering response

Replacing bushings restores correct fitment and suspension geometry, improving stability, road feel, and overall driving confidence. Spyder Performance

Replace the rear anti-roll bar bushings if you notice:
• Clunking or rattling from the rear suspension
• Excessive body lean when cornering
• Visible cracks, distortion, or missing rubber on existing bushings
• During suspension overhaul or anti-roll bar removal
• Elevated noise or vibration through the rear of the car

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99633379225
99633379225
99633379219

The product you are viewing cross references to these numbers
Anti roll bar bush Rear 20mm for Porsche 996 / 997 / Boxster / Cayman - PFR57-510-20BLK, 99633379225
2
Anti roll bar bush Rear 20mm for Porsche 996 / 997 / Boxster / Cayman
PFR57-510-20BLK
Product Information
Product Information
Powerflex Black series Anti Roll Bar Bush Rear
Sold as a pair


Size: 20mm

OEM Part Number: 99633379225

powerflexblk

Fits:
Please choose by size
Porsche 997 inc. Turbo
Porsche 996 1997-2005
Porsche 986 Boxster 1997-2004
Porsche 987 Boxster 2005-2012
Porsche 987C Cayman 2005-2012

Click 'Zoom in' for large parts diagram.
Diagram ref No 2.

Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFR57-510-20BLK
PFR57-510-20BLK
99633379225

The product you are viewing cross references to these numbers
Front anti roll bar bush 23.5mm. Porsche 986 Boxster / 996 / 997 - PFF57-501-23.5, 99634379212
2
Front anti roll bar bush 23.5mm. Porsche 986 Boxster / 996 / 997
PFF57-501-23.5::4
Product Information
Product Information
Front anti roll bar bush 23.5mm.

Sold as a pair 

OEM Part Number: 99634379212

Note: Please check anti roll bar diameter before ordering.

powerflex

Fits:
Porsche 986 Boxster 2.5L 1997-99 *M030 FRONT
Porsche 986 Boxster 2.7L 2000>> *M030 FRONT
Porsche 986 Boxster S 3.2L 2000>> **I029 FRONT

Porsche 987 Boxster 2.7L 2005-08 TIPTRONIC **I029 FRONT

Porsche 996 Carrera 1998-05 C2 COUPE TIPTRONIC FRONT
Porsche 996 Carrera 1998-05 C2 COUPE *M030 FRONT
Porsche 996 Carrera 1998-05 CABRIO FRONT
Porsche 996 Carrera 1998-05 TARGA MANUAL FRONT
Porsche 996 Carrera 1998-05 C4 *M030 FRONT
Porsche 996 Carrera 2001-05 C4S FRONT
Porsche 996 Turbo 2001-05 Standard Chassis FRONT

Porsche 997 MKI Carrera 2005-08 C2 MANUAL **I029 FRONT
Porsche 997 MKI Carrera 2005-08 C4 WITH PASM FRONT
Porsche 997 MKI Carrera 2005-08 C4S WITH PASM FRONT
Porsche 997 MKI Carrera 2005-08 TARGA WITH PASM FRONT
Porsche 997 MKI Turbo 2008-09 FRONT

* M030 - Cars with Sport-type chassis
** I029 - Cars with Standard chassis


Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFF57-501-23.5
PFF57-501-23.5
99634379212

The product you are viewing cross references to these numbers
Front anti roll bar bush 23.5mm. Porsche 986 Boxster / 996 / 997 - PFF57-501-23.5, 99634379212
2
Front anti roll bar bush 23.5mm. Porsche 986 Boxster / 996 / 997
PFF57-501-23.5BLK
Product Information
Product Information
Powerflex Black Series Front anti roll bar bush 23.5mm.
Sold as a pair


OEM Part Number: 99634379212

Note: Please check anti roll bar diameter before ordering.

powerflexblk

Fits:
Porsche 986 Boxster 2.5L 1997-99 *M030 FRONT
Porsche 986 Boxster 2.7L 2000>> *M030 FRONT
Porsche 986 Boxster S 3.2L 2000>> **I029 FRONT

Porsche 987 Boxster 2.7L 2005-08 TIPTRONIC **I029 FRONT

Porsche 996 Carrera 1998-05 C2 COUPE TIPTRONIC FRONT
Porsche 996 Carrera 1998-05 C2 COUPE *M030 FRONT
Porsche 996 Carrera 1998-05 CABRIO FRONT
Porsche 996 Carrera 1998-05 TARGA MANUAL FRONT
Porsche 996 Carrera 1998-05 C4 *M030 FRONT
Porsche 996 Carrera 2001-05 C4S FRONT
Porsche 996 Turbo 2001-05 Standard Chassis FRONT

Porsche 997 MKI Carrera 2005-08 C2 MANUAL **I029 FRONT
Porsche 997 MKI Carrera 2005-08 C4 WITH PASM FRONT
Porsche 997 MKI Carrera 2005-08 C4S WITH PASM FRONT
Porsche 997 MKI Carrera 2005-08 TARGA WITH PASM FRONT
Porsche 997 MKI Turbo 2008-09 FRONT

* M030 - Cars with Sport-type chassis
** I029 - Cars with Standard chassis


Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFF57-501-23.5BLK
PFF57-501-23.5
99634379212

The product you are viewing cross references to these numbers
Front Anti roll bar bush 24mm. Porsche 986/987 Boxster / 987C Cayman / 996 / 997 Powerflex - 99634379217, PFF57-501-24, PFF57-501 - PFF57-501-24
2
Front Anti roll bar bush 24mm. Porsche 986/987 Boxster / 987C Cayman / 996 / 997 Powerflex
PFF57-501-24
Product Information
Product Information
Powerflex Front Anti roll bar bush 24mm.

powerflex

Please check anti-roll bar diameter before ordering.
OEM Part Number: Bush = 99634379217
OEM Part Number: Bar = 996 343 701 20 / 996 343 701 24
OEM Part Number: Bar = 996 343 701 10 / 996 343 701 23

Fits:
Porsche 986 Boxster S 3.2L 2000>> Cars with Sport-type chassis
Porsche 987.1 Boxster 2005-08 Cars with standard chassis and Manual Transmission
Porsche 987.1 Boxster / S 2005-08 Cars with PASM (electronic damper control)
Porsche 987.2 Boxster 2009-12
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 996 TARGA 2002>> Cars with Sport-type Chassis (M030) and Tiptronic Transmission (M249)
Porsche 997.1 C2 CABRIO / COUPE 2005-08 Cars with Standard Chassis (I029) and 6-speed manual transmission (I480)
Porsche 997.1 C2S COUPE 2005-08 Cars with Sport-type Chassis (I030)
Porsche 997.1 C2/C2S COUPE / CABRIO 2005-08 Cars with PASM (electronic damper control) (I475)
Porsche 997.2 C2 COUPE / CABRIO 2009-12 Cars with Standard Chassis (I029) and PDK Transmission (I250)
Porsche 997.2 C2/C2S COUPE 2009-12 Cars with Sport-Type Chassis (I030)
Porsche 997.2 C2/C2S COUPE/CABRIO 2009-12 Cars with PASM (electronic damper control) (I475)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 11.

Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsitive steering
- Longer service life of suspension components

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFF57-501-24
99634379217
PFF57-501-24
PFF57-501

The product you are viewing cross references to these numbers
Front Anti roll bar bush 24mm. Porsche 986/987 Boxster / 987C Cayman / 996 / 997 Powerflex Black Series - 99634379217, PFF57-501-24, PFF57-501, PFF57-501-24BLK - PFF57-501-24BLK
2
Front Anti roll bar bush 24mm. Porsche 986/987 Boxster / 987C Cayman / 996 / 997 Powerflex Black Series
PFF57-501-24BLK
Product Information
Product Information
Powerflex Black Series Front Anti roll bar bush 24mm.

powerflexblk

Please check anti-roll bar diameter before ordering.
OEM Part Number: Bush = 99634379217
OEM Part Number: Bar = 996 343 701 20 / 996 343 701 24
OEM Part Number: Bar = 996 343 701 10 / 996 343 701 23

Fits:
Porsche 986 Boxster S 3.2L 2000>> Cars with Sport-type chassis
Porsche 987.1 Boxster 2005-08 Cars with standard chassis and Manual Transmission
Porsche 987.1 Boxster / S 2005-08 Cars with PASM (electronic damper control)
Porsche 987.2 Boxster 2009-12
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 996 TARGA 2002>> Cars with Sport-type Chassis (M030) and Tiptronic Transmission (M249)
Porsche 997.1 C2 CABRIO / COUPE 2005-08 Cars with Standard Chassis (I029) and 6-speed manual transmission (I480)
Porsche 997.1 C2S COUPE 2005-08 Cars with Sport-type Chassis (I030)
Porsche 997.1 C2/C2S COUPE / CABRIO 2005-08 Cars with PASM (electronic damper control) (I475)
Porsche 997.2 C2 COUPE / CABRIO 2009-12 Cars with Standard Chassis (I029) and PDK Transmission (I250)
Porsche 997.2 C2/C2S COUPE 2009-12 Cars with Sport-Type Chassis (I030)
Porsche 997.2 C2/C2S COUPE/CABRIO 2009-12 Cars with PASM (electronic damper control) (I475)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 11.

Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFF57-501-24BLK
99634379217
PFF57-501-24
PFF57-501
PFF57-501-24BLK

The product you are viewing cross references to these numbers
Lateral support clamp anti roll bar. Various sizes for Porsche - PFC13-14, PFC15-16, PFC17-18, PFC19-20, PFC21-22, PFC23-24, PFC25-27, PFC31-33, PFC28-30
3
Lateral support clamp anti roll bar. Various sizes for Porsche
PFC
Product Information
Product Information
Lateral support clamp anti roll bar. 

powerflex

Anti-Roll Bars (ARB’s) play an important role in a vehicle’s suspension system, helping to reduce body roll by transferring cornering load from one side of a vehicle to the other.

Often mounted to the vehicle’s chassis with rubber bushes, these bushes ensure the bar works as intended. To prevent the anti-roll bar from moving laterally within its mounts when turning, OE manufacturers will either bond the bushes to the bar, add dead-stops to the bar itself, or rely solely on the clamping pressure of the rubber.

But what happens when those bushes wear and need to be replaced? Often anti-roll bars with bonded bushes come as a costly complete assembly, so the alternative is to fit a more cost-effective unbonded polyurethane replacement, like the many we offer.

In most cases, friction from the bush will prevent any side-to-side bar movement. Still, when turning aggressively or cornering at higher speeds, a laterally shifting anti-roll bar decreases the efficiency and effectiveness of the bar, changing the dynamics of your suspension system in unpredictable ways. It also poses the risk of the bar fouling on other areas of the vehicle or suspension system.


Stabilizer bar bush 18.7mm, Rear for Porsche 986 / 986S / 996 / 997 - 99633379224
2
Stabilizer bar bush 18.7mm, Rear for Porsche 986 / 986S / 996 / 997
Special Order item
99633379224
Product Information
Product Information
Stabilizer bar bush, Rear
Size: 18.7mm

porsche

Fits:
Porsche 986 Boxster 2.5L, 2.7L - Cars with standard suspension
Porsche 986S Boxster 3.2L 2003-04 - Please choose by size
Porsche 996 C2, C4, C4S 1998-05 - Please choose by size
Porsche 997 C2/C2S/C4/C4S 2005-08 - Please choose by size

Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99633379224
99633379224

The product you are viewing cross references to these numbers
Stabilizer bar bush 18.7mm, Rear for Porsche 986 / 986S / 996 / 997 - 99633379224, 414 715 0000 - MSB0560
3
Stabilizer bar bush 18.7mm, Rear for Porsche 986 / 986S / 996 / 997
99633379224/1
Product Information
Product Information
Stabilizer bar bush, Rear
Size: 18.7mm

oematch

Fits:
Porsche 986 Boxster 2.5L, 2.7L - Cars with standard suspension
Porsche 986S Boxster 3.2L 2003-04 - Please choose by size
Porsche 996 C2, C4, C4S 1998-05 - Please choose by size
Porsche 997 C2/C2S/C4/C4S 2005-08 - Please choose by size

Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99633379224
99633379224
414 715 0000

The product you are viewing cross references to these numbers
Stabilizer bar bush Rear 19.8mm for Porsche 986 / 987 / 996 / 997
3
Stabilizer bar bush Rear 19.8mm for Porsche 986 / 987 / 996 / 997
Special Order item
99633379225
Product Information
Product Information
Rear Stabilizer Bar Bush, Size: 19.8mm
Sold each

Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2005  Cars with Sport Suspension - Please choose by size
Porsche 987.1 Boxster 2005 - 2008  Cars with Sport Suspension
Porsche 996 C2 / C4 / C4S 1998 - 2005  Cars with Sport Suspension - Please choose by size
Porsche 997.1 C2 / C2S / C4 / C4S 2005 - 2008 - Please choose by size

Diagram Ref No 2.
Stabilizer bar bush Rear 19.8mm for Porsche 986 / 987 / 996 / 997 - 99633379225, 99633379219 - URO-012591, MSB0561, 414 715 0001
3
Stabilizer bar bush Rear 19.8mm for Porsche 986 / 987 / 996 / 997
99633379225/1
Product Information
Product Information
Rear stabilizer bar bush, Size: 19.8mm
It’s a suspension rubber mount that fits around the anti-roll bar to secure it to the rear axle and help control chassis movement.
Sold each.

Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2005 Cars with Sport Suspension - Please choose by size
Porsche 987.1 Boxster 2005 - 2008 Cars with Sport Suspension
Porsche 996 C2 / C4 / C4S 1998 - 2005 *Cars with Sport Suspension - Please choose by size
Porsche 997.1 C2 / C2S / C4 / C4S 2005 - 2008 - Please choose by size

Diagram Ref No 2.

• Application: Rear anti-roll (stabilizer) bar bushing - fits around the 19.8 mm diameter stabilizer bar to mount it to the rear suspension subframe. Two bushings (left and right) are typically required per vehicle.

The anti-roll bar bushing cushions and secures the stabilizer bar to the rear suspension structure. This part helps maintain the correct position and movement control of the rear anti-roll bar, reducing unwanted body roll in corners and stabilizing the chassis during acceleration, braking, and steering.

Over time, the factory rubber in anti-roll bar bushings can harden, crack, or break down due to heat, age, and load cycles. Worn bushings can lead to:
• Increased body roll and reduced handling precision
• Clunking or knocking noises from the rear suspension
• Uneven tire wear
• Loose or sloppy cornering response

Replacing bushings restores correct fitment and suspension geometry, improving stability, road feel, and overall driving confidence. Spyder Performance

Replace the rear anti-roll bar bushings if you notice:
• Clunking or rattling from the rear suspension
• Excessive body lean when cornering
• Visible cracks, distortion, or missing rubber on existing bushings
• During suspension overhaul or anti-roll bar removal
• Elevated noise or vibration through the rear of the car

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99633379225
99633379225
99633379219

The product you are viewing cross references to these numbers
Stabilizer Bar Bush Rear 20.9mm for Porsche 996 / 997 - 99633379226
2
Stabilizer Bar Bush Rear 20.9mm for Porsche 996 / 997
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99633379226
Product Information
Product Information
Stabilizer Bar Bush Rear
Size: 20.9mm

porsche

Fits:
Porsche 996 C2/C4/C4S - Please choose by size
Porsche 996 GT2
Porsche 997 C2/C2S/C4/C4S MKI - Please choose by size

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Diagram Ref No 2.

Related reference numbers
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99633379226
99633379226

The product you are viewing cross references to these numbers
Stabilizer bar bush Rear 20.9mm. Porsche 996 / 997 - 99633379226, 414 715 0002 - MSB0562
2
Stabilizer bar bush Rear 20.9mm. Porsche 996 / 997
99633379226/1
Product Information
Product Information
Stabilizer bar bush Rear
Size: 20.9mm

oematch

Fits:
Porsche 996 C2/C4/C4S - Please choose by size
Porsche 996 GT2
Porsche 997 C2/C2S/C4/C4S MKI - Please choose by size

Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99633379226
99633379226
414 715 0002

The product you are viewing cross references to these numbers
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About Anti Roll Bar Bushes

Porsche Anti-Roll Bar Bushes | Design911 Suspension Components for Precision, Grip & Stability

Anti-roll bar bushes (also known as stabiliser bar bushes) are small but critical components within your Porsche’s suspension system. They secure the anti-roll bar to the chassis, allowing controlled movement that reduces body roll during cornering and improves handling stability. Properly functioning bushes help maintain suspension geometry, steering precision, and ride comfort — key attributes that define Porsche’s dynamic driving performance.

At Design911, we offer a full range of anti-roll bar bushes, crafted from advanced rubber, polyurethane, and performance-grade materials. Each bushing is engineered for exact fitment, durability, and vibration isolation. Perfect for routine servicing, performance upgrades, or complete restorations, our range helps restore suspension balance and ensures consistent road holding and control.

What Do Anti-Roll Bar Bushes Do?

Anti-roll bar bushes act as cushioning mounts between the anti-roll bar and chassis, absorbing vibration and allowing controlled articulation of the bar.

Core Functions:
• Reduce body roll by supporting bar movement during cornering.
• Provide cushioning to minimise noise and vibration.
• Maintain correct anti-roll bar alignment under load.
• Help distribute cornering forces evenly for improved grip.
• Enhance suspension comfort and steering response.

In good condition, anti-roll bar bushes keep your Porsche stable, predictable, and agile — whether on road, track, or everyday driving.

Why Do Anti-Roll Bar Bushes Fail or Degrade?

Constant flexing, pressure, and exposure to environmental factors gradually wear down bush materials, affecting handling and comfort.

Common Causes of Failure Include:
• Cracking, hardening, or perishing of rubber due to age or heat.
• Oil contamination softening and weakening bush material.
• Corrosion or movement in brackets wearing the bush housing.
• Over-compression or deformation from high-performance driving.
• Excessive vibration causing accelerated wear.

When bushes fail, symptoms often include clunking noises, poor cornering balance, and reduced steering sharpness — all signs that replacement is needed to restore your Porsche’s precision.

Why Replace or Upgrade Your Porsche Anti-Roll Bar Bushes?

Replacing worn bushes restores suspension control, comfort, and steering precision. Upgrading to polyurethane or performance-grade bushes provides sharper handling and greater durability for spirited or track-focused driving.

Key Benefits:
• Restores handling stability and reduces body roll.
• Eliminates suspension noise, vibration, and harshness.
• Improves steering response and cornering feedback.
• Available in rubber and performance polyurethane options.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Cayenne, and Macan models.
• Ideal for suspension servicing, restoration, or performance tuning.

Design911’s Porsche anti-roll bar bushes offer precision, performance, and reliability — ensuring your Porsche continues to handle with confidence and control.

Highlights

• Premium Porsche anti-roll bar bushes and stabiliser mounts.
• High-quality rubber or polyurethane construction.
• Designed for precise fitment and vibration absorption.
• Improves handling, stability, and suspension comfort.
• Compatible with classic and modern Porsche models.
• Perfect for maintenance, restoration, or performance upgrades.

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