Delphi TD4551W Suspension Stabilizer Bar Bushing Kit - Front

Front Stabilizer Bar Bushing Kit for OE-Style Fit

The Delphi TD4551W front stabilizer bar bushing kit is a standard replacement suspension component built for vehicles that use a 19mm diameter sway bar. It uses rubber construction and an inside diameter of 0.748 in. for a direct-fit front stabilizer bar service on select Cadillac, Buick, and Oldsmobile applications.

Fits 1986-2002 Cadillac Eldorado, front; Fits 1998-1999 Cadillac DeVille, front; Fits 1986-1997 Cadillac Seville, front; Fits 1986-1993 Buick Riviera, front; Fits 1987-1993 Cadillac Allante, front; Fits 1986-1992 Oldsmobile Toronado, front; Fits 1988-1991 Buick Reatta, front.

• Brand: Delphi
• Part number: TD4551W
• Material: rubber
• Inside diameter: 0.748 in.
• Item grade: standard replacement
• Position: front
• For vehicles with a 19mm diameter sway bar

Detailed Product Overview

Delphi applies OE-focused engineering to its aftermarket steering and suspension parts, using dimensional and material analysis to match OE fit and function as closely as possible. This front stabilizer bar bushing kit is made for sway bar service on Cadillac Eldorado, Cadillac DeVille, Cadillac Seville, Buick Riviera, Cadillac Allante, Oldsmobile Toronado, and Buick Reatta models listed in the fitment data. The TD4551W is a practical OE-style replacement when the original front sway bar bushings are worn or no longer holding the bar securely.

This part cross-references Dorman - OE Solutions 531-745 for the same application.

Common Problems This Part Can Address

• Front suspension clunking or rattling from worn sway bar bushings
• Excessive sway bar movement at the front axle
• Loose or degraded rubber bushings on the stabilizer bar
• Noise over bumps caused by bushing wear
• Reduced front-end stability from deteriorated stabilizer bar support

Installation Notes and Quality Assurance

Confirm the vehicle uses a 19mm diameter front sway bar before ordering. Match the inside diameter and front position to the original part for proper fitment on the listed Cadillac, Buick, and Oldsmobile applications. Delphi subjects its OE and aftermarket suspension components to temperature extremes below -40 degrees C and above 120 degrees C, along with extended salt-spray exposure, to evaluate material durability and dimensional consistency.

Part number TD4551W is supported by Delphi’s OE-oriented testing and compatibility analysis for the listed front suspension applications.