Dorman 540-657 Suspension Stabilizer Bar Bushing Kit - Front To Frame

Dorman 540-657 Stabilizer Bar Bushing Kit

Dorman 540-657 is a suspension stabilizer bar bushing kit built as a standard replacement for the original equipment on specific vehicles. It uses rubber construction to help restore a secure sway bar mount at the front-to-frame location on select Ford, Mercury, and Lincoln applications.

Key Features

• Rubber stabilizer bar bushings for OE-style replacement
• Standard replacement grade for specific front-to-frame applications
• Inside diameter: 1.13 in.
• Outside diameter: 2.17 in.
• Assembled length: 2.18 in.
• Grease fitting not included
• Bracket not included
• Fits front-to-frame mounting locations

Detailed Description

This suspension stabilizer bar bushing kit is engineered for vehicles that use a 28.96 mm or 29 mm diameter front sway bar, depending on application. Dorman 540-657 is listed for 1989-1997 Ford Thunderbird, 1989-1997 Mercury Cougar, 1990-1995 Ford Cougar, and 1993-1998 Lincoln Mark VIII. If you are searching for a Dorman 540-657 sway bar bushing replacement for a Ford Thunderbird or Mercury Cougar front-to-frame mount, this part matches the specified OE-style dimensions and mounting position.

This part cross-references MOOG Chassis Products K8757 and Delphi TD4598W for the same application.

What It Helps Address

• Excessive sway bar movement at the frame mount
• Clunking or rattling from worn stabilizer bushings
• Loose front suspension feel during cornering
• Degraded bushing material from age and road exposure
• Incorrect fitment when replacing worn OE bushings on supported models

Installation Notes and Tips

Verify the sway bar diameter before installation, since this kit is specified for 28.96 mm and 29 mm bars on the listed vehicles. Confirm the front-to-frame mounting location and compare the original bushing dimensions to the part measurements before service. Professional installation is recommended for proper alignment of the stabilizer bar at the frame mount.

Quality Assurance

Dorman tests this replacement bushing kit to meet the needs of the listed OE applications. The part is built as a standard replacement component for supported Ford, Mercury, and Lincoln suspension setups.