Dorman 540-409 Suspension Stabilizer Bar Bushing Kit - Front

Dorman 540-409 Front Stabilizer Bar Bushings

Dorman 540-409 is a front suspension stabilizer bar bushing kit for select Lexus RX300 models. It is precision-engineered and tested to replace the original equipment bushing on the specified application, helping restore proper sway bar support and front-end suspension control.

Fits 1999-2003 Lexus RX300, front. This Dorman 540-409 replacement is built for direct-fit service on the listed vehicle range and is a practical choice when the original stabilizer bar bushings are worn, cracked, or no longer holding the bar securely.

Key Features

• Direct replacement stabilizer bar bushing kit for the front suspension
• Rubber/elastomer construction for OE-style fit and function
• Inside diameter: 16.5 mm
• Assembled length: 38.5 mm
• Outside diameter: 38.5 mm
• Bracket not included
• Grease fitting not included
• Standard replacement grade

Detailed Description

Built for the front sway bar on 1999-2003 Lexus RX300 models, Dorman 540-409 helps maintain the stabilizer bar’s position in the chassis and supports consistent suspension response. The rubber and elastomer material selection is suited to OE-style service replacement, while the precision-engineered design supports proper fitment on the listed application. If you are searching for a front sway bar bushing kit for Lexus RX300 1999-2003 or a Dorman 540-409 stabilizer bar bushing replacement, this part matches the confirmed vehicle coverage.

This part cross-references Beck/Arnley 101-7851 and MOOG Chassis Products K201401 for the same application.

What It Helps Fix

• Clunking or knocking noises from the front suspension
• Excessive sway bar movement caused by worn bushings
• Loose or degraded stabilizer bar support
• Front-end handling changes related to bushing wear
• Cracked, hardened, or compressed original bushings

Installation Notes and Tips

Install on the front stabilizer bar only for the listed Lexus RX300 applications. Inspect the sway bar, mounting points, and surrounding suspension components before installation, and replace any worn parts that could affect bushing performance. Confirm the inside diameter and assembled dimensions match the original part before service.

Quality Assurance

Dorman designs this suspension stabilizer bar bushing kit as a standard replacement part and subjects it to testing for reliable OE-style service on the specified vehicles. The part number 540-409 is engineered for the confirmed fitment listed above.