Dorman 540-664 Suspension Stabilizer Bar Bushing Kit - Front To Frame

Dorman 540-664 Stabilizer Bar Bushing Kit

Dorman 540-664 is a suspension stabilizer bar bushing kit for specific Ford Mustang and Mercury Cougar applications. It is precision-engineered and tested as a direct replacement for the original equipment on the listed vehicles, with rubber bushings and steel brackets for front-to-frame mounting.

Key Features

• Rubber bushing material for stabilizer bar support
• Steel bracket construction
• Bracket included for the listed application
• Standard replacement grade
• Inside diameter: 25 mm; outside diameter: 32 mm
• Grease fitting not included

Product Details

This suspension stabilizer bar bushing kit is built for front-to-frame use on 1964-1973 Ford Mustang and 1967-1973 Mercury Cougar models with a 25.40 mm diameter bar. Dorman 540-664 is intended to restore stabilizer bar mounting support where worn bushings can allow excess movement, noise, or looseness in the front suspension. This part cross-references Delphi TD5102W for the same application.

What It Helps Address

• Front suspension clunking or rattling from worn stabilizer bar bushings
• Excess sway bar movement at the frame mount
• Loose or degraded rubber at the stabilizer bar attachment point
• Noise caused by worn bushing-to-bracket contact
• Restoring stable front-end bar support on classic Mustang and Cougar applications

Installation Notes

Verify bar diameter and mounting location before installation. This part is specified for front-to-frame placement and a 25.40 mm diameter bar on the listed Ford Mustang and Mercury Cougar vehicles. Inspect the stabilizer bar and mounting surfaces for wear or corrosion before assembly, and confirm the brackets seat properly during installation. Dorman 540-664 is also referenced by part number 540-664 for catalog and search use.

Quality Assurance

Dorman states this stabilizer bar bushing kit is precision-engineered and rigorously tested to provide reliable OE-style replacement performance on the specified vehicles. The design uses rubber bushings with steel brackets to match the listed application requirements.