Bosch KS01000848 Rack and Pinion Assembly

Bosch Hydraulic Steering Rack for Audi and Volkswagen

Bosch KS01000848 is a remanufactured hydraulic rack and pinion assembly for select Audi A4, Audi A4 Quattro, and Volkswagen Passat applications. It is built for direct steering system replacement where hydraulic steering rack service is required, with fitment tied to specific chassis and suspension notes.

Key Features

• Remanufactured hydraulic steering rack and pinion assembly
• Brand line: Bosch Steering Rack, Hydraulic (Remanufactured)
• Direct-fit replacement for select Audi A4, Audi A4 Quattro, and Volkswagen Passat models
• Fits 2003 Volkswagen Passat, from chassis # 3B-3E212 043
• Fits 1998-2002 Volkswagen Passat
• Fits 2000-2001 Audi A4 without Sports Suspension
• Fits 1998-2001 Audi A4 Quattro
• Fits 1999 Audi A4
• Fits 1998 Audi A4 from chassis # 8D-W-007800
• Cross-reference part numbers: 8D1422052BX, 8D1422053BX

Detailed Description

Bosch KS01000848 is a remanufactured hydraulic steering rack designed for vehicles that use a hydraulic rack and pinion steering system. This part is listed for 1998-2002 Volkswagen Passat, 2003 Volkswagen Passat from chassis # 3B-3E212 043, 2000-2001 Audi A4 without Sports Suspension, 1998-2001 Audi A4 Quattro, 1999 Audi A4, and 1998 Audi A4 from chassis # 8D-W-007800. The Bosch steering rack line focuses on replacement assemblies for steering service where the original hydraulic unit needs to be restored to proper operation.

What This Part Helps Address

• Steering play or looseness in the rack and pinion assembly
• Hydraulic steering fluid leakage from the steering rack
• Uneven or inconsistent steering response
• Noise or binding during steering input
• Wear-related steering system replacement on Audi A4, Audi A4 Quattro, and Volkswagen Passat models

Installation Notes and Tips

Verify chassis breakpoints and suspension notes before ordering, especially for 2003 Volkswagen Passat and 1998 Audi A4 applications. Confirm hydraulic line routing, steering linkage condition, and alignment settings during replacement. After installation, perform a professional wheel alignment and inspect the hydraulic system for leaks and proper steering operation.

Quality Assurance

This Bosch part is remanufactured to provide a service replacement for the original hydraulic steering rack. Bosch is a recognized OE supplier in automotive systems, and this steering rack is cataloged for direct application matching on the listed Audi and Volkswagen vehicles.