Power Steering Pipes / Hoses / Radiators

Fits:
Porsche 911 - 1978 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 986 Boxster - 1997 to 2004
Porsche 996 - 1997 to 2005
Porsche 997.1 - 2005 to 2008
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951255400
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- 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 2007-09
- Porsche 997 MK1 GT2 2007-09

To Fit:
Porsche 911 (964 Turbo) 3.3 Turbo 1990-1994
Kit of 2 clamps:
The kit contains all necessary hose clamps to install the specified hose kit. The included clamps are a high quality standard design type in all stainless steel (W4 class) with a stamped band to minimise impact on hose surface.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
CLAMP-KIT162S
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93

To Fit:
Porsche 964 Turbo 3.3L / 3.6L 1990-1994
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96534744500
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

To Fit:
Porsche 911 (964 Turbo) 1990-1994 3.3L turbo engines
DO88 hoses are entirely manufactured in high quality silicone for best finish and durability. With three to five layers of reinforcement depending of the inner diameter, the hoses withstand high pressure rates and high temperatures for a long time. The original hoses are manufactured in rubber that often cracks from age. This is a durable solution that in addition improves the looks!
Hoses included:
• Power steering hose Reference: 96534744500
All part numbers from the vehicle manufacturer are only stated as reference.
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
DO88-KIT162S
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93

Fits:
Porsche 964 - 1989 to 1994
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434745804
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1989-94 only for LHD - Left-hand drive vehicles
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434744603
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Power Steering Pump Line.
Fits:
Porsche 964 1989-94
Diagram ref no 14
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434744705
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
Diagram ref no 14
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434744706
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 - 1989 to 1994
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434745503
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1989-94
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434745102
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 - 1989 to 1994
Click 'Zoom in' for large parts diagram.
Diagram ref no 14
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96434744706
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Porsche Power Steering Pipes, Hoses & Radiators | Design911 Hydraulic Components for Precision Steering
Power steering pipes, hoses, and radiators are vital for maintaining smooth, responsive steering performance in your Porsche. These components transport and cool the hydraulic fluid that powers the steering system, ensuring precise control, minimal resistance, and consistent handling under all driving conditions. A well-maintained hydraulic circuit not only enhances steering feel but also protects your steering pump, rack, and associated components from wear and overheating.
At Design911, we offer an extensive selection of power steering pipes, hoses, and cooling radiators, engineered for exact fitment, reliability, and high-pressure performance. Manufactured using durable materials such as reinforced rubber, stainless steel, and aluminium, our range is ideal for servicing, restoration, and performance upgrades — keeping your Porsche’s steering system operating at its sharpest.
What Do Power Steering Pipes, Hoses & Radiators Do?
Power steering pipes and hoses transfer hydraulic fluid between the pump, rack, and reservoir, while radiators (or coolers) regulate fluid temperature for consistent performance.
Core Functions:
• Deliver hydraulic fluid to assist steering input.
• Maintain consistent pressure within the steering circuit.
• Prevent overheating of steering fluid during high-load use.
• Ensure responsive, effortless steering at all speeds.
• Reduce wear on the pump, seals, and steering rack.
Together, these parts form the backbone of your Porsche’s power steering system, ensuring smooth handling and precise feedback whether on the road or track.
Why Do Power Steering Components Fail or Degrade?
Continuous heat, pressure, and exposure to fluids can cause deterioration of hoses and pipes over time, while radiators may corrode or leak.
Common Causes of Failure Include:
• Cracked or brittle hoses from age or heat exposure.
• Corrosion or pitting in metal pipes.
• Leaks at joints or seals from fluid pressure fluctuations.
• Blocked or damaged steering coolers reducing efficiency.
• Contamination of hydraulic fluid causing internal wear.
When these components fail, drivers may experience stiff steering, fluid leaks, noise, or overheating — all of which can lead to expensive steering system damage if left unaddressed.
Why Replace or Upgrade Your Porsche Power Steering Pipes, Hoses & Radiators?
Replacing or upgrading these components restores safe, consistent hydraulic operation and improves overall steering precision. High-quality materials and modern design offer improved durability, pressure resistance, and corrosion protection.
Key Benefits:
• Restores smooth, consistent steering response.
• Prevents fluid leaks and overheating.
• Extends life of steering pumps and racks.
• Constructed from premium, heat- and pressure-resistant materials.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Cayenne, and Macan models.
• Ideal for restorations, repairs, or performance upgrades.
Design911’s Porsche power steering pipes, hoses, and radiators provide durability, precision, and reliability — ensuring confident handling and performance on every drive.
Highlights
• Premium Porsche power steering hoses, pipes,
and cooling radiators.
• Engineered for precision fitment and leak-free performance.
• Reinforced construction for high-pressure durability.
• Corrosion-resistant and temperature-stable materials.
• Suitable for both classic and modern Porsche models.
• Perfect for maintenance, restoration, or upgrades.