Delphi TBR5089 Rack and Pinion Bellows Kit - Left or Right

Delphi Rack and Pinion Bellows Kit TBR5089

Delphi TBR5089 is a standard replacement rack and pinion bellows kit for steering systems that need a durable dust and debris seal. Built with black rubber bellows and OE-focused dimensional analysis, it supports proper fitment on select Kia Rio, Toyota Corolla, Lexus LS400, and other applications listed below.

Key Features

• Black rubber bellows construction for steering rack protection
• Extended length: 7.2 in. (183.0 mm)
• Bellows material thickness: 0.062 in. (1.6 mm)
• 14 rib design for flexible steering movement
• End inside diameters: 0.431 in. (11.0 mm) and 1.791 in. (45.5 mm)
• Mounting hardware included
• Standard replacement grade for steering service work
• Delphi part number TBR5089

Detailed Description

Delphi TBR5089 is a rack and pinion bellows kit used to protect the steering rack from dirt, moisture, and road contamination while allowing normal suspension and steering travel. Delphi applies OE-level dimensional and material analysis to help the bellows match the original steering layout, and the rubber construction is tested for temperature extremes and salt exposure to support long-term service in demanding conditions. This part cross-references Hyundai/Kia OE number 48203N3400 for the same application. Common fitment includes Fits 2001-2005 Kia Rio, right; Fits 1993-2001 Toyota Corolla, left; and Fits 1990-2000 Lexus LS400, left.

What It Helps Address

• Damaged or cracked steering rack bellows
• Contamination entering the rack and pinion assembly
• Premature wear from road debris and moisture exposure
• Loss of steering rack boot flexibility
• Service replacement for worn left- or right-side bellows applications

Installation Notes and Tips

Verify the vehicle’s steering side before ordering, since this part is listed for left, right, and N/A applications depending on the vehicle. Confirm bellows length, end diameters, and rack style against the original part before installation. For fitment-specific examples, Delphi TBR5089 covers Fits 1989-1998 Mazda MPV, left; Fits 1985-1991 Pontiac Firefly, left; and Fits 1981-1985 Ford Escort, left. Use the included mounting hardware during installation and inspect the steering rack for wear, leaks, or torn boots before reassembly.

Quality Assurance

Delphi uses OE-focused steering engineering and material validation for aftermarket replacement parts. The bellows is evaluated for extreme temperature exposure and salt spray resistance, with dimensional checks used to support proper OE-to-aftermarket compatibility. Delphi TBR5089 is built as a standard replacement steering component for select import and domestic vehicles.