Bosch KS01000503 Power Steering Pump

Bosch Remanufactured Power Steering Pump

Bosch KS01000503 is a remanufactured mechanical power steering pump for select Volkswagen applications. It is built for drivers replacing a worn steering pump on Golf, Beetle, Jetta, Passat, or Corrado models with a direct-fit steering component.

The Bosch Power Steering Pump (Remanufactured) line focuses on OE-style replacement coverage for hydraulic steering systems. This part number, KS01000503, is cataloged for multiple Volkswagen platforms and replaces earlier catalog reference KS01000483.

Key Features

• Remanufactured Bosch power steering pump for hydraulic steering systems
• Mechanical steering pump design
• Fits select Volkswagen Golf, Beetle, Jetta, Passat, and Corrado applications
• Direct replacement coverage for common import steering service jobs
• Cross-references Bosch KS01000483 for the same application

Fitment Coverage

• Fits 1995-2006 Volkswagen Golf, N/A
• Fits 2000-2005 Volkswagen Beetle, N/A
• Fits 1995-2005 Volkswagen Jetta, N/A
• Fits 1993-1997 Volkswagen Passat, N/A
• Fits 1992-1994 Volkswagen Corrado, N/A
• Fits 1994 Volkswagen Jetta, N/A; Mexico Built

What This Pump Helps Resolve

• Heavy or inconsistent steering effort
• Whining or groaning noise from the power steering system
• Low hydraulic pressure in the steering circuit
• Fluid leakage from a worn steering pump assembly
• Poor steering assist on Volkswagen Golf, Jetta, Beetle, Passat, or Corrado models

Installation Notes

Verify the vehicle’s year, model, and build details before ordering, especially for the 1994 Volkswagen Jetta Mexico-built application. Inspect the belt drive, hoses, and fluid condition during service, and confirm the system is clean before installing the replacement pump. This part cross-references Bosch KS01000483 and is also listed against 1J0422154HX and 6N0145157 for the same application.

Quality Assurance

Bosch remanufactured steering components are cataloged for OE-style service replacement on supported Volkswagen applications. This part is identified as remanufactured and is intended for direct steering system repair on the listed vehicles.