Keep dirt, grit, and moisture out of your steering gear with the Delphi Rack and Pinion Bellows Kit TBR4201, a direct-fit front replacement for a wide range of BMWs. It fits many BMW models, among them the 2003-2008 BMW Z4, 2001-2006 BMW 325CI and 2001-2006 BMW 330CI. These bellows (boots) seal the ends of the rack and pinion assembly, holding lubricating grease in while keeping road debris, water, and contaminants away from the inner tie rods and rack. Cracked, split, or torn boots are common signs this kit may need replacing.
See the Buyer's Guide tab for the full list of vehicles and engine details.
Interchange: 3213 1096 910 · 103-2986 · 614.34002
32131096910 · 1032986 · 61434002 · RPK141006 · RPK141006PR · K90444 · MK90444 · JBE169 · JBE198
This part cross-references / interchanges with the following part numbers:
What does this bellows kit do?
The bellows (boots) seal the ends of the front rack and pinion assembly, keeping lubricating grease in and dirt, water, and debris out of the inner tie rods and rack.
How do I know when the bellows need replacing?
Cracked, split, or torn boots, or grease weeping from the rack ends, are common signs. Diagnose the steering system to confirm the cause before replacing.
Does this fit my vehicle?
It's a direct-fit front replacement for many BMW models, including the 2003-2008 BMW Z4, 2001-2006 BMW 325CI and 2001-2006 BMW 330CI. See the Buyer's Guide tab to confirm your model and year.
Are the accessories for installation included?
Yes. Delphi states the kit includes the necessary accessories for a complete job. Consult the vehicle service information for the correct procedure.
How is this kit built for durability?
It's designed to OE standards and validated below -40°C, above 120°C, and through 720 hours of salt spray, and is manufactured for consistent life and to help reduce noise.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
