Dorman 540-405 Suspension Stabilizer Bar Bushing Kit - Front Inner

Dorman 540-405 Stabilizer Bar Bushing Kit

Dorman 540-405 is a suspension stabilizer bar bushing kit built as a standard replacement for the original equipment on specific vehicles. It is made from rubber/elastomer material and is engineered for the front inner sway bar mounting point on the Lexus GX470 with KDSS.

Key Features

• Direct replacement stabilizer bar bushing kit for OE-style service
• Rubber construction for suspension mounting support
• Inside diameter: 50 mm
• Outside diameter: 74 mm
• Assembled length: 51.5 mm
• Bracket included: No
• Grease fitting included: No
• Standard replacement grade

Product Details

This Dorman sway bar bushing kit is precision-engineered and tested for reliable replacement performance on the front inner stabilizer bar location. It is designed for 2003-2009 Lexus GX470, front inner, with Kinetic Dynamic Suspension System (KDSS). The Dorman 540-405 helps restore proper stabilizer bar support where worn bushings can affect suspension feel and noise control. This part cross-references Delphi TD5629W for the same application.

Common Issues It Can Help Address

• Clunking or rattling from the front suspension
• Excessive sway bar movement at the mounting point
• Worn, cracked, or compressed stabilizer bar bushings
• Loose-feeling front suspension response over bumps
• Noise caused by deteriorated rubber bushing material

Installation Notes

Verify the vehicle is a 2003-2009 Lexus GX470 with KDSS and confirm the front inner stabilizer bar location before installation. Inspect the sway bar and surrounding hardware for wear or damage, and replace any worn components as needed during service. The kit does not include a bracket or grease fitting.

Quality Assurance

Dorman designs this suspension stabilizer bar bushing kit as a standard replacement part and subjects it to testing for fit and function on the listed application. The part number is 540-405.