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Power Steering Pipes / Hoses / Radiators

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DISPLAYING 1 to 11 (of 11 products)
Special Order item
99951255400::1
Product Information
Product Information
Hose clamp, 12-22 mm - Various Applications.

porsche

Fits:
Porsche 928 - 1978 to 1986
Porsche 924 - 1976 to 1986
Porsche 924S - 1986 to 1988
Porsche 944 - 1982 to 1991
Porsche 968 - 1992 to 1995



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99951255400
99951255400

The product you are viewing cross references to these numbers
Special Order item
94434744703
Product Information
Product Information
Power steering pressure line for LHD Cars

porsche

Fits:
For cars (M657) with power assisted steering
For LHD Cars
Porsche 924S 1986-88
Porsche 944 1985-91
Porsche 968 1992-95

Click 'Zoom in' for large parts diagram.
Diagram ref no 29.

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94434744703
94434744702
94434744703

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Special Offer
94434744704/1
Product Information
Product Information
Power steering pressure line for LHD Cars

Fits:
For cars (M657) with power assisted steering
For LHD Cars
Porsche 924S 1986-88
Porsche 944 1985-91
Porsche 968 1992-95

Diagram ref no 29.

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94434744704
94434744702
94434744703
94434744701
94434744704

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Special Order item
94534744702
Product Information
Product Information
Power Steering Pressure Line for RHD Cars.

porsche

Fits:
Porsche 924S 1986-88 (M657)
Porsche 944 1982-91 (M657)
Porsche 968 1992-95 (M657)

M657 - Cars with power assisted steering

Click 'Zoom in' for lagre parts diagram.
Diagram ref no 29.

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94534744702
94534744702

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94434744907
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Product Information
Power steering return line for LHD (left hand drive) cars

Fits:
Porsche 924S 1986 - 1988
Porsche 944 1985 - 1991
Porsche 968 1992 - 1995

Diagram ref no 30

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94434744907
94434744906
94434744907

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99923035701
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Product Information
Power steering suction hose fitting.

porsche

Fits:
Porsche 924 S 1986-88 Cars with Power assist steering (M657)
Porsche 944 1985-88 Cars with Power assist steering (M657)
Porsche 944 1989-91
Porsche 968 1992-95

Click 'Zoom in' for large parts diagram.
Diagram ref no 27

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99923035701
94434744505
99923035701
99923035702

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94434744506
Product Information
Product Information
Power steering suction hose. From the power steering reservoir to the pump.

porsche

Fits:
Porsche 924 S 1986-88 Cars with Power assist steering (M657) * Requires a Fitting to update and re-route from original hose (part no 99923035701).
Porsche 944 1985-88 Cars with Power assist steering (M657) * Requires a Fitting to update and re-route from original hose (part no 99923035701).
Porsche 944 1989-91
Porsche 968 1992-95

Click 'Zoom in' for large parts diagram.
Diagram ref no 26

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94434744506
94434744505
99923035701
99923035702
94434744506

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Special Offer
94434744506/1
Product Information
Product Information
Power steering suction hose. From the power steering reservoir to the pump.

oematch

Fits:
Porsche 924 S 1986-88 Cars with Power assist steering (M657) Requires a Fitting to update and re-route from original hose (part no 99923035701).
Porsche 944 1985-88 Cars with Power assist steering (M657) Requires a Fitting to update and re-route from original hose (part no 99923035701).
Porsche 944 1989-91
Porsche 968 1992-95

Click 'Zoom in' for large parts diagram.
Diagram ref no 26

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

94434744506
94434744505
99923035701
99923035702

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Special Order item
94434744700
Product Information
Product Information

Power Steering Pressure Line – Left Hand Drive (LHD)

The power steering pressure line is a critical hydraulic component in the steering system of the Porsche 944 (left-hand drive models). This high-pressure hose delivers hydraulic fluid from the power steering pump to the steering rack, enabling smooth, controlled steering input and reducing driver effort.

Fits:

  • Porsche 944 2.5L 8V 1982-85

Diagram ref no 29

At Design911, this replacement power steering pressure line is supplied to meet OEM specifications, ensuring correct fitment, reliable pressure handling, and long-term durability for classic Porsche 944 models.

What Does the Power Steering Pressure Line Do?

The power steering pressure line transfers pressurised hydraulic fluid through the steering system.

Core Functions:

  • Deliver high-pressure fluid from the pump to the steering rack
  • Enable smooth, assisted steering operation
  • Maintain consistent steering feel and response
  • Support safe vehicle control at low and high speeds
  • Ensure proper operation of the hydraulic steering system

A healthy pressure line is essential for predictable and effortless steering.

Why Do Power Steering Pressure Lines Fail?

Over time, power steering pressure lines are exposed to heat, pressure, and vibration.

Common Failure Causes:

  • Internal hose degradation from heat and age
  • Cracked or hardened rubber sections
  • Corrosion of metal fittings or crimped joints
  • Fluid leaks caused by seal or hose failure
  • Pressure loss leading to heavy or inconsistent steering

On classic Porsche 944 models, ageing hoses are a common source of leaks and steering issues.

Why Replace the Power Steering Pressure Line?

Replacing a worn or leaking pressure line restores steering performance and protects the system.

Replacement Benefits:

  • Restore smooth, consistent power-assisted steering
  • Prevent hydraulic fluid leaks and pressure loss
  • Protect the power steering pump and steering rack
  • Maintain correct steering feel and vehicle safety
  • Ensure OEM-correct fitment for classic Porsche reliability

Replacing the pressure line proactively helps avoid costly secondary damage.

Product Highlights

  • Genuine-spec power steering pressure line
  • Designed for Porsche 944 (1982–1985) LHD models
  • High-pressure rated for hydraulic steering systems
  • Precision-engineered for correct routing and fit
  • Ideal for maintenance, repair, and restoration projects



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

94434744700
94434744700

The product you are viewing cross references to these numbers
94434744700/1
Product Information
Product Information

Power Steering Pressure Line – Left Hand Drive (LHD)

The power steering pressure line is a critical hydraulic component in the steering system of the Porsche 944 (left-hand drive models). This high-pressure hose delivers hydraulic fluid from the power steering pump to the steering rack, enabling smooth, controlled steering input and reducing driver effort.

Fits:

  • Porsche 944 2.5L 8V 1982-85

Diagram ref no 29

At Design911, this replacement power steering pressure line is supplied to meet OEM specifications, ensuring correct fitment, reliable pressure handling, and long-term durability for classic Porsche 944 models.

What Does the Power Steering Pressure Line Do?

The power steering pressure line transfers pressurised hydraulic fluid through the steering system.

Core Functions:

  • Deliver high-pressure fluid from the pump to the steering rack
  • Enable smooth, assisted steering operation
  • Maintain consistent steering feel and response
  • Support safe vehicle control at low and high speeds
  • Ensure proper operation of the hydraulic steering system

A healthy pressure line is essential for predictable and effortless steering.

Why Do Power Steering Pressure Lines Fail?

Over time, power steering pressure lines are exposed to heat, pressure, and vibration.

Common Failure Causes:

  • Internal hose degradation from heat and age
  • Cracked or hardened rubber sections
  • Corrosion of metal fittings or crimped joints
  • Fluid leaks caused by seal or hose failure
  • Pressure loss leading to heavy or inconsistent steering

On classic Porsche 944 models, ageing hoses are a common source of leaks and steering issues.

Why Replace the Power Steering Pressure Line?

Replacing a worn or leaking pressure line restores steering performance and protects the system.

Replacement Benefits:

  • Restore smooth, consistent power-assisted steering
  • Prevent hydraulic fluid leaks and pressure loss
  • Protect the power steering pump and steering rack
  • Maintain correct steering feel and vehicle safety
  • Ensure OEM-correct fitment for classic Porsche reliability

Replacing the pressure line proactively helps avoid costly secondary damage.

Product Highlights

  • Genuine-spec power steering pressure line
  • Designed for Porsche 944 (1982–1985) LHD models
  • High-pressure rated for hydraulic steering systems
  • Precision-engineered for correct routing and fit
  • Ideal for maintenance, repair, and restoration projects



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

94434744700
94434744700

The product you are viewing cross references to these numbers
Special Order item
94434745902
Product Information
Product Information
Return line to cool power steering oil.

porsche

Fits:
Porsche 944 1982-85

This product supersedes Porsche's old part numbers:
- 94434745900

Click 'Zoom in' for large parts diagram.
Diagram ref no 31

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

94434745902
94434745902
94434745900

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DISPLAYING 1 to 11 (of 11 products)
About Power Steering Pipes / Hoses / Radiators

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.

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