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Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk Facebook Instagram

TRW

TRW
About TRW

TRW for Porsche

The highly professional TRW innovation team are completely focused on creating the most advanced Porsche products on the market, always engineered and tested to the highest possible standards. This means that we are able to deliver the most efficient, safe and durable Steering and Suspension products to you and to your customers.As one of the world’s largest aftermarket suppliers vital parts in OE-quality, we have a heritage that goes back one hundred years. With a wealth of diverse experience, we have fine-tuned our manufacturing processes and concentrated on satisfying customers much longer than most, so you can trust us to deliver, whether you need a simple car shock absorber or the latest cutting edge system for aftermarket steering parts

A Quick Look at TRW

TRW information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.

Choosing the Right Fit for Your Porsche

Where TRW is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.

  • Typical reasons to choose or replace TRW parts include refreshing worn suspension or steering joints, restoring braking performance, and addressing age-related wear without guesswork.
  • Common real-world issues in this area include steering play, knocking over bumps, brake vibration, and uneven braking, often linked to worn ball joints or tie rods, seized calipers, old brake fluid, or incorrect installation torque.
  • For safety-critical parts such as brakes and steering, watch for symptoms like pulling, vibration, or abnormal noises and investigate before they worsen.
  • After any significant steering or suspension work, have the alignment checked and re-confirm torque settings after a short bedding-in period.
  • When renewing left/right components such as dampers or control arms, replacing in pairs helps maintain balanced handling and predictable behaviour.
  • Use service intervals and visible wear (perishing, leaks, excessive play) as cues for planning preventative replacement rather than waiting for a clear failure.

Browse by Category

If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.

Suspension & Axle — Suspension and axle components cover shocks, springs, arms, bushes, and joints that keep your Porsche stable, comfortable, and safe. Replacement is usually driven by wear, knocks over bumps, uneven tyre wear, or a general loss of ride and handling precision.

  • After suspension work, plan for an alignment check and road test to confirm there is no remaining play or noise.
  • Diagnose knocks and vibration carefully; multiple worn bushes or joints can contribute at once.

Ball Joints — Ball joints are safety-critical pivot points in the suspension that control steering precision and geometry. They are typically replaced when there is play, clunking, vague steering, or uneven tyre wear, restoring stability and confidence under braking and cornering.

  • Check associated arms and bushes at the same time; fitting a new joint into a worn arm can be false economy.
  • Plan on a wheel alignment after ball joint replacement to keep tyre wear and handling in check.

Shock Absorbers FRONT — Front shock absorbers are changed when damping fades, oil leaks appear, or the car feels floaty, unstable under braking, or unsettled over bumps. Choosing suitable front dampers helps bring back ride control, braking stability, and steering feel on your Porsche.

  • Replace front shocks in left/right pairs to avoid uneven behaviour and unpredictable grip under braking.
  • Consider renewing top mounts and related hardware if there are noises or high mileage on the existing parts.

Porsche Standard — Standard front suspension options are ideal when you want to retain the original Porsche balance of comfort and control. They are typically chosen during refresh work to keep the car close to factory behaviour rather than moving to a firmer or more focused setup.

  • If chasing knocks or poor ride, inspect the full suspension system; issues are not always limited to dampers alone.
  • Match standard components with appropriate springs and mounts so the system works as designed.

Special Offer Parts — Special offer parts can help reduce costs when tackling known Porsche wear items or grouped maintenance jobs. They are often used for routine service components or common refresh work, provided the part numbers and fitment details match your specific model.

  • Always confirm compatibility by model, year, and specification before buying offer items, as returns can be inconvenient once the car is apart.
  • Use offers to plan batches of work—combining service items or wear components can save on repeated labour.

Explore TRW at Design911

View the current TRW range for Porsche at Design911, then filter by model and category to narrow down to the right parts.

DISPLAYING 49 to 64 (of 66 products)
<< 2 3 4 5
4M0611021D/1
Product Information
Product Information
Brake master cylinder.
Fits:
Porsche 95B Macan 2.0L 2014-18
Porsche 95B Macan GTS 3.0L 2014-18
Porsche 95B Macan S 3.0L DIESEL 2014-18
Click 'Zoom in' for large parts diagram.
Diagram ref n 5

Related reference numbers
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4M0611021D
4M0611021D
PMN237

The product you are viewing cross references to these numbers
PAB423810/1
Product Information
Product Information
Steering rack inner tie rod.
Fits Left or Right side

Fits:
Porsche Macan I 2014-18
Porsche Macan II 
Porsche Macan III 

Length: 212 mm
Pipe Ø: 16.5 mm
Thread Size 1: M16x1.5
Thread Size 2: M16x1.5

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

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PAB423810
4G0423810A
4G0423810
PAB423810

The product you are viewing cross references to these numbers
95534703
Product Information
Product Information
Track rod inner joint and outer ball joint

Fits:
Porsche 955 Cayenne 2003-06 (Front)
Porsche 957 Cayenne 2007-09(Front)
Porsche 958 Cayenne 2010>> (Front)
All Models None Turbo

The steering rack controls the front wheels by means of two track rods, terminated by replaceable joints - the "Track Rod Ends", attached to the swivel hubs. These will eventually wear, leading to problems with steering and handling, as well as being a failure point on the UK MOT and presumably on the statutory inspections in other countries.

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95534703
95534703122
95534703222

The product you are viewing cross references to these numbers
95535293906TRW
Product Information
Product Information
Brake pads set of 4 for one axle
rear
Porsche Cayenne (955) V6 MKI REAR
Porsche Cayenne (955) S MKI REAR
Porsche Cayenne (955) Turbo MKI REAR
Porsche Cayenne (957) 3.6L V6 MKII REAR
Porsche Cayenne (957) 4.8L S/GTS MKII REAR
Porsche Cayenne (957) 3.0L DIESEL MKII REAR
Sold as set of 4 pads for one axle.
Please Select below

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95535293906TRW
23694
95535293903
95535293905
95535293906

The product you are viewing cross references to these numbers
99634713105/1
Product Information
Product Information
Steering rod with ball joint. This is quite a common problem and could need to be replaced.
Fits left or right side.

Fits:
Porsche 996 Carrera
Porsche 996 Turbo
Porsche Boxster 986 / 987
Porsche 987C Cayman
Porsche 997

Price is for each.

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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99634713105
99634713105
99634713104
99634713103

The product you are viewing cross references to these numbers
98135140
Product Information
Product Information
High grade brake disc.

Diameter Ø 315,0 mm
Thickness 28,0 mm
Min. Thickness 26,0 mm
Total height 69,0 mm

front
Porsche 981 Boxster 2.7L 2012>> - FRONT
Porsche 981C Cayman 2.7L 2013>> - FRONT

Brake disc rotors are price each.

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98135140
98135140101
98135140201

The product you are viewing cross references to these numbers
96410432102/1
Product Information
Product Information
Valve Guide Inlet Standard size. Porsche 964 C2 / 964 C4 1989-94

Fits:
Porsche 964 C2 / C4 1989-94
Outer diameter 13.06 mm
Bore Ø 9 mm
Length 51,2 mm
Material Brass
Fitting Position Intake Side

Diagram Ref No 2, 2A.

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96410432102
96410432152
96410432100
96410432102
96410432150
81-30104

The product you are viewing cross references to these numbers
9963430
Product Information
Product Information
Drop link, Front and Rear.
Fits - Left or Right

This product comes with 2 YEARS Warranty

Fits:
Porsche 986 Boxster 1997-04 (Front and Rear)
Porsche 996 C2 1998-05 (Front only)

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9963430
99634306904
99634307004
99634307003
99634306903
99634307002
99634307003
99634306902

The product you are viewing cross references to these numbers
95534101
Product Information
Product Information
Front lower wishbone.

Fits:
Porsche 957 Cayenne GTS >>2008 (I1LM/IE0W)
Porsche 957 Cayenne TURBO >>2008 (I1LH/IE81)

I1LM - Front disc brake, Cars with disc diameter 18", brake caliper painted red
IE0W - Cayenne GTS special model
I1LH - Rear disc brake, Cars with disc diameter 19", brake caliper painted red
IE81 - Enhanced performance engine

Click 'Zoom in' for large parts diagram.
Diagram ref no 5.

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95534101
95534101761
95534101861
95534101760
95534101860

The product you are viewing cross references to these numbers
99134104306/1
Product Information
Product Information
Fork control arm FRONT.
Fits:
Porsche Boxster 981 2012 - 2016
Porsche Boxster 982 (718)  2017 >>
Porsche Cayman 981C 2014 - 2016
Porsche Cayman 982C (718C)  2017 >>
Porsche 991.1 Carrera 2012 - 2016
Porsche 991.1 Turbo 2014 - 2016
Porsche 991.1 GT3 / GT3 RS 2014 - 2016
Porsche 991.2 Carrera 2016 - 2019
Porsche 991.2 Turbo 2016 - 2019
Porsche 991.2 R / GT3 4.0L / GT3 RS 4.0L 2016 - 2019

Diagram ref No 5


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99134104306
99134104302
99134104301
9913410430
99134104304
99134104305
99134114302
99134104306

The product you are viewing cross references to these numbers
98733104304/1
Product Information
Product Information
Control arm lower, Rear.
(TRW are the Original Manufacture for Porsche)
Fits:
Porsche Boxster 987
Porsche Cayman 987C
Please click 'Zoom in' to see the diagram (No 8)

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98733104304
98733104302
98733104303
98733104304
98733114302

The product you are viewing cross references to these numbers
95534713
Product Information
Product Information
Track rod outer ball joint.
Price is for each.

Fits:
Porsche 955 Cayenne 2003-06 (Front)
Porsche 957 Cayenne 2007-09(Front)
Porsche 958 Cayenne 2010>> (Front)
All Models None Turbo

The steering rack controls the front wheels by means of two track rods, terminated by replaceable joints - the "Track Rod Ends", attached to the swivel hubs. These will eventually wear, leading to problems with steering and handling, as well as being a failure point on the UK MOT and presumably on the statutory inspections in other countries.

Click 'Zoom in' for large parts diagram.
Diagram ref no 9.

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95534713
95534713122
95534713222
95534713120
95534713121
95534713220
95534713221

The product you are viewing cross references to these numbers
9553330
Product Information
Product Information
Drop link for rear anti roll bar.

Fits:
Porsche 955 Cayenne 2003-06 (Rear)
Porsche 957 Cayenne 2007-09 (Rear)
Porsche 958 Cayenne 2010>> (Rear)

*** Please note not for cars with PDCC
active body control

Click 'Zoom in' for large parts diagram.
Diagram ref no 5.

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9553330
95533306910
95533306911
95533306921
95533307010
95533307011
95533307021

The product you are viewing cross references to these numbers
99734732201/1
Product Information
Product Information
Track rod inner joint kit with bellow.
Price is for each

Fits:
Porsche 987 Boxster ALL
Porsche 987C Cayman ALL
Porsche 997 ALL

The steering rack controls the front wheels by means of two track rods, terminated by replaceable joints - the "Track Rod Ends", attached to the swivel hubs. These will eventually wear, leading to problems with steering and handling, as well as being a failure point on the UK MOT and presumably on the statutory inspections in other countries.

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99734732201
99734732200
99734732201
997.347.322.01
3544401
4160310000
58172
99734732201
99734732201
99734732201
99734732201
99734732201

The product you are viewing cross references to these numbers
99634719104/1
Product Information
Product Information

Steering rack gaiter kit
TRW steering rack gaiter kit for Porsche 986 Boxster and 996 models fitted with the specified later steering racks. Accessories are included for the front axle's left and right sides.
One kit per car required

Fits
Porsche 986 Boxster 1997 - 2004
Porsche 996 1998 - 2005

Please note
Fitting Position: Front Axle left and right,
For OE Steering Rack No.: 996.347.011.06, 996.347.011.07, 996.347.012.07, 996.347.012.08
Inner Diameter 1: 12,3 mm, Inner Diameter 2: 52 mm, Height: 195,3 mm, With accessories


What This Product Does

The bellows cover the moving rack ends and inner steering joints, helping exclude moisture and road debris while accommodating steering movement.


Functions

  • Shield covered steering components against contamination.
  • Maintain a flexible protective enclosure as the rack moves.
  • Help protect inner joints from exposure when correctly secured.

Symptoms of Fault

  • Visible tears, punctures or cracking in the bellows.
  • Loose attachment points or contamination beneath the gaiter.
  • Moisture entering the covered joint area.

Knocking or steering play warrants inspection of the joints and related components rather than assuming the gaiter alone is responsible.


Why Replacement Matters

A damaged or unsecured gaiter leaves the enclosed components exposed. Renewing it restores the protective covering, but any existing joint wear also needs assessment.


FAQs

How many kits does a vehicle need?
One kit per car required.

How do I confirm suitability?
Match the fitted steering rack number against the four OE rack references above.

Is alignment needed afterwards?
Have the alignment checked if track rods or steering adjustment settings are disturbed during installation.

What should be inspected during replacement?
Check the exposed inner joints for contamination and excessive play before fitting the new bellows.



Related reference numbers
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99634719104
99634701106
99634701107
99634701207
99634701208
996347194102
99634719104

The product you are viewing cross references to these numbers
99634719102/1
Product Information
Product Information

Steering rack gaiter kit
TRW steering rack gaiter kit for Porsche 986 Boxster and 996 models equipped with the early steering rack. Suitable for the left and right front axle positions and supplied with accessories.
One kit per car required

Fits
Porsche 986 Boxster 1997 - 2004
Porsche 996 1998 - 2005


Please note
Fitting Position: Front Axle left and right,
For OE Steering Rack No.: 996.347.011.05, 996.347.012.05
Inner Diameter 1: 12,3 mm, Inner Diameter 2: 48 mm, Height: 195,3 mm, With accessories


What This Product Does

The flexible bellows cover the moving rack ends and inner steering joints. They help exclude road grit and moisture while accommodating steering movement and keeping lubrication protected.


Functions

  • Shield the covered steering components from contamination.
  • Accommodate movement as the steering operates.
  • Help protect lubricated inner joints from moisture exposure.


Symptoms of Fault

  • Visible cracking, punctures or tears in the bellows.
  • Loose attachment or contamination around the gaiter ends.
  • Moisture or dirt found beneath the protective cover.
  • Knocking where an exposed inner joint has developed wear.

Steering noise or looseness can have several causes. Inspect the rack and joints rather than assuming a replacement gaiter will resolve existing mechanical wear.


Why Replacement Matters

A damaged or poorly secured gaiter leaves the covered components exposed to water and abrasive debris. Renewing it restores the protective barrier, but cannot repair a worn joint or leaking rack. Check the inner joint and attachment points during the work.


FAQs

Will this fit every listed vehicle?
Confirm the installed rack reference: this kit is intended for the early rack specification.

Is alignment needed afterwards?
Have the wheel alignment checked if track rods are disturbed or their adjustment changes.

What should be inspected with the gaiter removed?
Check for inner-joint play, contamination and signs of rack leakage before fitting the replacement cover.



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

99634719102
996.347.011.05
996.347.012.05
99634719102
99634701105
99634701205

The product you are viewing cross references to these numbers
DISPLAYING 49 to 64 (of 66 products)
<< 2 3 4 5