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Steering rack boot seal ring. Porsche 987 Boxster / 987C Cayman / 996 / 997 - 99734737300
99734737300
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- 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
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Steering rack boot seal ring.
Located inside the steering rack housing (rack & pinion assembly) as an inner seal ring around gear housing/rack interface — critical for containing hydraulic fluid and ensuring rack integrity.
Sold each, 2 required per vehicle.
Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2005 - 2008
Porsche 987.2 Boxster 2009 - 2012
Porsche 987C.1 Cayman 2006 - 2008
Porsche 987C.2 Cayman 2009 - 2012
Porsche 996 1998 - 2005
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2012
Diagram ref no 4
Even though it’s a small part, the seal ring plays a vital role in your Porsche’s hydraulic steering system. When it fails, you may experience fluid leaks, loss of hydraulic assist, play in the steering or reduced feedback - all affecting handling, safety and longevity of steering components. Replacing the seal ring with the genuine part restores correct sealing, hydraulic pressure retention and the precise steering feel your Porsche expects.
When and why to replace:
• Evident steering fluid seepage around the rack housing or boots, indicating internal seal failure.
• Loss of power-steering assist or degraded steering feel, especially at low speeds or when cold.
• During steering rack replacement or rebuild – when bearing access is available and you want to prevent future leaks.
• As part of front-end or steering system overhaul on high-mileage vehicles where original seals may have aged or hardened.
• Whenever the steering rack hydraulic system is opened or dismantled – fitting a new genuine seal ring ensures proper long-term service.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99734737300
The product you are viewing cross references to these numbers
Located inside the steering rack housing (rack & pinion assembly) as an inner seal ring around gear housing/rack interface — critical for containing hydraulic fluid and ensuring rack integrity.
Sold each, 2 required per vehicle.
Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2005 - 2008
Porsche 987.2 Boxster 2009 - 2012
Porsche 987C.1 Cayman 2006 - 2008
Porsche 987C.2 Cayman 2009 - 2012
Porsche 996 1998 - 2005
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2012
Diagram ref no 4
Even though it’s a small part, the seal ring plays a vital role in your Porsche’s hydraulic steering system. When it fails, you may experience fluid leaks, loss of hydraulic assist, play in the steering or reduced feedback - all affecting handling, safety and longevity of steering components. Replacing the seal ring with the genuine part restores correct sealing, hydraulic pressure retention and the precise steering feel your Porsche expects.
When and why to replace:
• Evident steering fluid seepage around the rack housing or boots, indicating internal seal failure.
• Loss of power-steering assist or degraded steering feel, especially at low speeds or when cold.
• During steering rack replacement or rebuild – when bearing access is available and you want to prevent future leaks.
• As part of front-end or steering system overhaul on high-mileage vehicles where original seals may have aged or hardened.
• Whenever the steering rack hydraulic system is opened or dismantled – fitting a new genuine seal ring ensures proper long-term service.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99734737300
99634737300
99734737300
The product you are viewing cross references to these numbers
Price: €4.40
Arriving soon
Related products
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Information
Track rod. Price is for each.
Fits:
Porsche 911 TURBO (930) 3.0/3.3L 1975-89
Porsche 914
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 13/1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93034703101
The product you are viewing cross references to these numbers
Fits:
Porsche 911 TURBO (930) 3.0/3.3L 1975-89
Porsche 914
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 13/1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93034703101
93034703101
The product you are viewing cross references to these numbers
Price: €268.25
Orderable
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Track rod end.
Fits:
Porsche 911 TURBO (930) 3.0L/3.3L 1975-89
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.
Price is for each
Please note the image may be different to the actual item.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93034732200
The product you are viewing cross references to these numbers
Fits:
Porsche 911 TURBO (930) 3.0L/3.3L 1975-89
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.
Price is for each
Please note the image may be different to the actual item.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93034732200
93034732200
The product you are viewing cross references to these numbers
Price: €81.56
Orderable
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Track Rod Inner Joint Spacer.
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93034731301
The product you are viewing cross references to these numbers
The OE Match Track Rod Inner Joint Spacer is a precision-engineered replacement steering component designed to provide correct spacing and alignment within the track rod and steering assembly. This small but essential part helps ensure proper positioning of the inner track rod joint, maintaining accurate steering geometry and supporting the smooth operation of the steering system.
Sold Each.
x2 Required Per Car.
Fits:
Diagram Ref No 13B
Manufactured to OE specifications for fit, accuracy and durability, the spacer is designed to withstand the loads, vibration and stresses encountered during normal driving. It is an important component during steering system repairs, track rod replacement and suspension restoration work.
What This Product Does:
- Maintains correct spacing within the track rod assembly.
- Ensures proper positioning of the inner steering joint.
- Helps preserve accurate steering geometry.
- Supports smooth and precise steering operation.
- Assists in maintaining correct wheel alignment settings.
- Contributes to the reliability and integrity of the steering system.
Symptoms Of Wear Or Failure:
- Excessive play within the steering assembly.
- Reduced steering precision.
- Difficulty achieving correct wheel alignment.
- Uneven tyre wear.Steering wheel vibration or instability.
- Knocking or movement within the steering linkage.
- Premature wear of steering components.
- Inconsistent steering feel during driving.
Why Replacement Matters:
- Although often overlooked, steering spacers play an important role in maintaining the correct geometry and positioning of steering system components. Over time, corrosion, wear, damage during servicing or incorrect installation can affect the spacer's ability to perform its intended function.
- A worn, damaged or missing spacer can contribute to steering misalignment, increased component wear and reduced steering accuracy. If steering geometry is compromised, handling performance, tyre wear and overall vehicle stability may be negatively affected.
- Replacing a worn or damaged track rod inner joint spacer helps restore correct steering assembly alignment, supports accurate wheel geometry and ensures the steering system continues to operate safely and effectively. An OE Match replacement provides factory-style fitment and dependable long-term performance for your Porsche steering system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93034731301
93034731301
The product you are viewing cross references to these numbers
Price: €4.28
In stock