Dorman 540-745 Suspension Stabilizer Bar Bushing Kit - Front To Frame

Dorman 540-745 Stabilizer Bar Bushing Kit

Dorman 540-745 is a suspension stabilizer bar bushing kit built as a standard replacement for the original equipment on select GM and Isuzu SUVs. It is made from rubber/elastomer material and is engineered for the front-to-frame stabilizer bar location on vehicles with a 45.70 mm diameter bar.

Key Features

• Standard replacement stabilizer bar bushing kit for OE-style service
• Rubber and elastomer construction for suspension isolation
• Inside diameter: 1.8 in; outside diameter: 2.89 in; width: 2.19 in
• Assembled length: 1.46 in
• No grease fitting included
• No bracket included
• Package contents: 2 bushings

Detailed Description

This Dorman suspension stabilizer bar bushing kit, part number 540-745, is precision-engineered and tested to replace the original equipment bushing on specific applications. It is designed for the front-to-frame stabilizer bar on the 2002-2003 Chevrolet Trailblazer, 2002-2003 GMC Envoy, 2003 Isuzu Ascender, and 2002-2003 Oldsmobile Bravada with a 45.70 mm diameter bar. If you are searching for a front sway bar bushing replacement for a Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, or Oldsmobile Bravada, this part number 540-745 matches the listed OE-style application.

This part cross-references MOOG Chassis Products K80773 for the same application.

What It Helps Address

• Clunking or rattling from worn stabilizer bar bushings
• Excessive sway bar movement at the front frame mount
• Suspension noise caused by deteriorated rubber bushings
• Loose-feeling front-end handling from bushing wear
• Replacement needs on vehicles with a 45.70 mm front stabilizer bar

Installation Notes and Tips

Verify the stabilizer bar diameter before installation and confirm the vehicle uses the front-to-frame mounting position listed for this part. Inspect the sway bar, brackets, and surrounding suspension components for wear before reassembly. This kit does not include a grease fitting or bracket, so reuse or replace related components as needed based on the vehicle’s service condition.

Quality Assurance

Dorman manufactures this bushing kit as a standard replacement part and subjects it to engineering and testing checks to support reliable OE-style fit and function on the listed vehicles.