Steering Racks
- 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 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016

Fits:
Porsche Boxster 986 1997-04
Porsche 996 1997-04
Right Hand Drive Cars (like UK)
The most common power steering faults are:
- Leaking power steering
- Torn Gators
- Hard to steering when idling
- Hard to steering one-way
- Steering-Wheel not self-centering
- Noise when Idling
- Noise when steering
- Judders when steering
- Loss of all power in steering
- Semi-Loss of power in steering
- Electric steering problems
Above are just some of the problems our customers are faced with on a day-to-day basis with their power steering units. We can replace your old unit with a Reconditioned unit. If we don't have a replacement available, we can take in your own unit and recondition it for you. Where a new unit can cost £1000's we can recondition/supply reconditioned units at a fraction of this price!
All reconditioned racks come with 1 Year or 12,000 miles warranty!!
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99634701210
The product you are viewing cross references to these numbers
- 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 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
Fits:
For RHD cars (I099)
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 997.1 Carrera 2005-08
Porsche 997.1 Turbo 2007-09
Porsche 997.2 Carrera 2009-12
Porsche 997.1 Turbo 2010-13
Porsche 997 GT3 2007-11
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99734701209
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 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 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

Reconditioned steering rack. For RHD cars
Reconditioned units are sold on an exchange basis, A surcharge of £709.26 will be held and then refunded when the old one is returned.

Fits:
For RHD cars (I099)
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
PLEASE NOTE:
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
987347012DX
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12

Fits:
Porsche 991 2012-2016
Porsche 981 Boxster 2012-2016
Porsche 981 Cayman 2014-2016
- Left Hand Drive Cars (like Europe)
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
The most common power steering faults are:
- Leaking power steering
- Torn Gators
- Hard to steering when idling
- Hard to steering one-way
- Steering-Wheel not self-centering
- Noise when Idling
- Noise when steering
- Judders when steering
- Loss of all power in steering
- Semi-Loss of power in steering
- Electric steering problems
Above are just some of the problems our customers are faced with on a day-to-day basis with their power steering units. We can replace your old unit with a Reconditioned unit. If we don't have a replacement available, we can take in your own unit and recondition it for you. Where a new unit can cost £100's we can recondition/supply reconditioned units at a fraction of this price!
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99134700518
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- 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 Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16


Fits:
Porsche 991 2012-2016
Porsche 981 Boxster 2012-2016
Porsche 981 Cayman 2014-2016
- Right Hand Drive Cars (like UK)
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
The most common power steering faults are:
- Leaking power steering
- Torn Gators
- Hard to steering when idling
- Hard to steering one-way
- Steering-Wheel not self-centering
- Noise when Idling
- Noise when steering
- Judders when steering
- Loss of all power in steering
- Semi-Loss of power in steering
- Electric steering problems
Above are just some of the problems our customers are faced with on a day-to-day basis with their power steering units.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99134700518
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- 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 Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16

Reconditioned Steering Rack, for RHD cars (Right hand drive)

Fits:
Porsche 991 2012-2016
Porsche 981 Boxster 2012-2016
Porsche 981 Cayman 2014-2016
- Right Hand Drive Cars (like UK)
Diagram ref no 1
The most common power steering faults are:
- Leaking power steering
- Torn Gators
- Hard to steering when idling
- Hard to steering one-way
- Steering-Wheel not self-centering
- Noise when Idling
- Noise when steering
- Judders when steering
- Loss of all power in steering
- Semi-Loss of power in steering
- Electric steering problems
Above are just some of the problems our customers are faced with on a day-to-day basis with their power steering units.
Subject to Inspection. There may be water damage then the rack cannot be refurbished. The lead time of 15 working days from when we receive the rack.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99134700618
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- 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 Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16

Fits:
Porsche 991 2012-2016
Porsche 981 Boxster 2012-2016
Porsche 981 Cayman 2014-2016
- Right Hand Drive Cars (like UK)
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
The most common power steering faults are:
- Leaking power steering
- Torn Gators
- Hard to steering when idling
- Hard to steering one-way
- Steering-Wheel not self-centering
- Noise when Idling
- Noise when steering
- Judders when steering
- Loss of all power in steering
- Semi-Loss of power in steering
- Electric steering problems
Above are just some of the problems our customers are faced with on a day-to-day basis with their power steering units. We can replace your old unit with a Reconditioned unit. If we don't have a replacement available, we can take in your own unit and recondition it for you. Where a new unit can cost £100's we can recondition/supply reconditioned units at a fraction of this price!
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99134700618
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- 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 Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
Reconditioned steering rack.
Fits:
for LHD Cars (I098)
Porsche 987.1 Boxster 2005-08
Porsche 987C.1 Cayman 2005-08
Porsche 997.1 2005-08
Porsche 997.2 2009-12
Porsche 997.1 Turbo 2007-09
Porsche 997.2 Turbo 2010-13
Porsche 997 GT3 2007-11
Please note good reconditioned steering racks are becoming very hard for us to supply and this is simply because the core exchange units are not being returned to us. If you fail to return the core unit to us within 30 days we reserve the right to charge you the full price of a replacement steering rack.
The most common power steering faults are:
- Leaking power steering
- Torn Gators
- Hard to steering when idling
- Hard to steering one-way
- Steering-Wheel not self-centering
- Noise when Idling
- Noise when steering
- Judders when steering
- Loss of all power in steering
- Semi-Loss of power in steering
- Electric steering problems
Above are just some of the problems our customers are faced with on a day-to-day basis with their power steering units. We can replace your old unit with a Reconditioned unit. If we don't have a replacement available, we can take in your own unit and recondition it for you. Where a new unit can cost £100's we can recondition/supply reconditioned units at a fraction of this price!
All reconditioned racks come with 1 Year or 12,000 miles warranty!!
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99734701111
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 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 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 Steering Racks | Design911 Precision Steering Assemblies for Control & Performance
The steering rack is the heart of your Porsche’s steering system — translating driver input from the steering wheel into precise directional movement of the wheels. It’s a critical component that ensures responsive handling, stability, and control under all driving conditions. Whether your Porsche uses a hydraulic, manual, or electric power steering setup, maintaining a smooth and accurate rack assembly is essential for both performance and safety.
At Design911, we supply a complete range of steering racks, including hydraulic, electric, and manual systems for both classic and modern models. Each unit is built to high engineering standards, providing exceptional steering feel, precision, and reliability. Perfect for routine servicing, performance restoration, or full rebuilds, our racks ensure your Porsche handles exactly as it was designed to — sharp, smooth, and predictable.
What Do Steering Racks Do?
The steering rack converts the rotational motion of the steering wheel into linear movement, controlling the vehicle’s front wheels for directional accuracy.
Core Functions:
• Transfer steering input into smooth, precise wheel movement.
• Work in conjunction with the power steering system for ease of control.
• Maintain correct wheel alignment and tracking.
• Provide balanced feedback and road feel.
• Ensure stability and steering accuracy at all speeds.
A properly functioning steering rack delivers confidence-inspiring handling — from high-speed motorway cruising to tight cornering on track.
Why Do Steering Racks Fail or Degrade?
Steering racks experience constant pressure, movement, and exposure to heat and contaminants, leading to gradual wear over time.
Common Causes of Failure Include:
• Seal wear leading to hydraulic fluid leaks.
• Corrosion or pitting on internal rack surfaces.
• Play or looseness in steering due to worn bushings or joints.
• Power steering fluid contamination causing internal damage.
• Age-related degradation in gaskets or mounts.
When steering racks begin to fail, symptoms include excessive play, vibration, fluid leaks, uneven steering effort, or knocking noises — all signs that replacement or refurbishment is required.
Why Replace or Upgrade Your Porsche Steering Rack?
Replacing or upgrading your steering rack restores handling precision, stability, and steering feedback. Modern or performance-oriented replacements offer improved durability and response for both road and motorsport use.
Key Benefits:
• Restores sharp, responsive steering performance.
• Eliminates fluid leaks and unwanted play.
• Improves road feel and vehicle stability.
• Available in manual, hydraulic, and electric configurations.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Panamera, and Cayenne models.
• Ideal for restoration, maintenance, or track preparation.
Design911’s Porsche steering racks are precision-engineered to deliver the performance, feedback, and control Porsche owners expect — ensuring reliability on every journey.
Highlights
• Premium Porsche steering racks for all models.
• Precision-engineered for strength, alignment, and feedback.
• Available in hydraulic, manual, and electric variants.
• Restores precise steering control and feel.
• Constructed from corrosion-resistant, high-grade materials.
• Perfect for maintenance, upgrades, or restorations.