Delphi TBR4594 Rack and Pinion Bellows - Left

Brand Delphi TBR4594
Position Left
Fits Audi and Volkswagen · 14 vehicles

OE-focused design. Built with dimensional and material analysis for accurate aftermarket fit.

Extreme-condition tested. Withstands temperatures below -40 C and above 120 C.

Corrosion testing. Exposed to 720 hours of salt spray for durability validation.

Cross-references Beck/Arnley 103-2911 and 4D0 419 831 E for the same application. See all 2.

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OE-Style Rack and Pinion Bellows

Delphi TBR4594 is a left rack and pinion bellows built for steering systems that need a precise OE-style seal and fit. It is engineered for compatible Volkswagen Passat and Audi A6 Quattro applications with left-side fitment.

Key Features

  • Left-side rack and pinion bellows for steering gear protection.
  • OE-focused dimensional and material analysis for accurate fit.
  • Tested for extreme temperature exposure from below -40 C to over 120 C.
  • Exposed to 720 hours of salt spray testing for corrosion resistance validation.
  • Delphi OE expertise applied to the aftermarket steering portfolio.

Detailed Description

Delphi TBR4594 is a steering bellows designed to protect the rack and pinion assembly from dirt, moisture, and road debris while preserving the movement needed for proper steering operation. Delphi applies OE engineering methods to its aftermarket steering parts, using dimensional and material analysis to support compatibility between the replacement part and the original design. This part number, TBR4594, is listed for Fits 1999-2005 Volkswagen Passat, Left and Fits 1998-2004 Audi A6 Quattro, Left. It is a direct fit solution for left-side steering service on these applications, and the TBR4594 part number is useful when matching the correct bellows during repair.

What It Helps Solve

  • Cracked or torn steering bellows.
  • Contamination entering the rack and pinion assembly.
  • Loss of protection around the steering gear boot area.
  • Incorrect replacement part selection during steering service.

Installation Notes and Quality Assurance

Verify left-side fitment before installation and compare the original part shape and dimensions to the replacement. Confirm vehicle application details for the Volkswagen Passat or Audi A6 Quattro before service. Delphi subjects this steering component to temperature and salt-spray testing and uses OE-based dimensional and material analysis to support consistent aftermarket fit and performance. Part number TBR4594 is also cross-referenced to Beck/Arnley 103-2911 for the same application.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005VolkswagenPassatLeft—
2004AudiA6 QuattroLeft—
2004VolkswagenPassatLeft—
2003AudiA6 QuattroLeft—
2003VolkswagenPassatLeft—
2002AudiA6 QuattroLeft—
2002VolkswagenPassatLeft—
2001AudiA6 QuattroLeft—
2001VolkswagenPassatLeft—
2000AudiA6 QuattroLeft—
2000VolkswagenPassatLeft—
1999AudiA6 QuattroLeft—
1999VolkswagenPassatLeft—
1998AudiA6 QuattroLeft—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 103-29114D0 419 831 E