Power Steering Pumps
O-ring R15x2,5. Porsche 911 / 914 / 993
- 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)
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
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99970113550
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Power steering fluid - 1 Litre
- 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 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
- 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 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 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
- Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
- 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
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Carrera GT
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid 380HP 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel 382HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
- Porsche 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18
- Porsche 914 (1970-1976)
Pentosin Hydraulic System Fluid

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00004330574
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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.