Power Steering Pumps
Fits:
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970729340
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 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
Sold each
Fits:
Porsche 914 - 1970 to 1976
Porsche 911 - 1965 to 1989
Porsche 993 - 1994 to 1998
Used on Sportomatic oil pump for 911 and 914
Used on Power Steering pump for 993
Diagram ref no 8 and 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970113550
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- 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 914 (1970-1976)
Fits:
Porsche 964 1989-94
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99334701501
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 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

Fits:
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99314718503
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99314719203
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 993 Carrera 1994-1998
not for Turbo models
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99331405027
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97

Reconditioned Power steering pump.

Fits:
Porsche 993 1995-98
Reconditioned Power Steering Pump are sold on a exchange basis, A surcharge of £918.47 will be held and then refunded when the old one is returned.
- 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.
993314050BX
The product you are viewing cross references to these numbers
- 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 Power Steering Pumps, Hoses & Radiators | Design911 Hydraulic Components for Smooth & Precise Handling
Power steering pumps, hoses, and radiators are the key components that ensure your Porsche’s steering system operates smoothly, quietly, and efficiently. The power steering pump pressurises hydraulic fluid, while hoses transport it throughout the system, and radiators (or coolers) regulate temperature to prevent overheating. Together, these components provide effortless steering control, precise feedback, and the responsive handling that defines Porsche driving performance.
At Design911, we offer a comprehensive range of power steering pumps, hoses, and radiators engineered for precision fitment, durability, and high-pressure operation. Manufactured using premium materials, each component is designed to perform under demanding conditions — whether for daily driving, performance tuning, or restoration projects. Our range helps maintain steering precision, extend component life, and deliver long-term reliability.
⚙️ What Do Power Steering Pumps, Hoses & Radiators Do?
These interconnected components form the core of your Porsche’s hydraulic steering system, providing consistent power assist and cooling for maximum control.
Core Functions:
• The pump generates hydraulic pressure to assist steering input.
• Hoses and pipes transport pressurised fluid throughout the system.
• The radiator (cooler) regulates temperature for consistent operation.
• Maintain smooth, controlled steering effort at all speeds.
• Protect the steering rack and pump from overheating and wear.
This system ensures that steering remains light yet responsive — essential for both precision handling and driver comfort.
Why Do Power Steering Components Fail or Degrade?
Due to constant exposure to heat, pressure, and fluid flow, these components are subject to gradual wear and degradation over time.
Common Causes of Failure Include:
• Leaks from aged seals, fittings, or cracked hoses.
• Contaminated or deteriorated steering fluid reducing lubrication.
• Pump bearing or vane wear from low or dirty fluid.
• Corrosion or pitting in metal pipes and radiators.
• Blocked cooling circuits leading to overheating.
Failure in any of these parts can cause noise, fluid leaks, stiff steering, or even total system failure — making timely replacement critical for safety and reliability.
Why Replace or Upgrade Your Porsche Power Steering Pumps, Hoses & Radiators?
Replacing worn or damaged power steering components restores hydraulic pressure, cooling efficiency, and overall steering feel. Upgrading to improved materials enhances longevity and performance, particularly for high-demand or motorsport applications.
Key Benefits:
• Restores smooth, responsive steering performance.
• Eliminates leaks, whine, or vibration from failing components.
• Extends the life of steering racks and seals.
• Constructed from corrosion- and heat-resistant materials.
• Available for Porsche 911, 944, 968, Boxster, Cayman, Panamera, Cayenne, and
Macan models.
• Ideal for maintenance, restorations, or high-performance upgrades.
Design911’s Porsche power steering pumps, hoses, and radiators combine engineering precision, reliability, and superior materials — ensuring your Porsche’s steering stays sharp, responsive, and fluid.
Highlights
• Premium Porsche power steering pumps, hoses, and
radiators.
• Engineered for precision fitment and reliable performance.
• High-pressure and temperature-resistant materials.
• Reduces steering effort and enhances handling comfort.
• Suitable for both classic and modern Porsche models.
• Perfect for servicing, restoration, or performance tuning.