Dorman 540-407 Suspension Stabilizer Bar Bushing Kit - Front

Dorman 540-407 Front Stabilizer Bar Bushings

Dorman 540-407 is a front suspension stabilizer bar bushing kit for select Lexus LS400 models. It is precision-engineered and tested as a standard replacement for the original equipment bushing on the specified application, helping restore proper sway bar support and front-end suspension control.

• Direct replacement stabilizer bar bushings for the front suspension
• Rubber/elastomer construction for OE-style fit and function
• Inside diameter: 25.5 mm
• Assembled length: 48 mm
• Bracket included: No
• Grease fitting included: No
• Standard replacement grade

Fitment and Application

Compatible with 1998-2000 Lexus LS400, front. This Dorman 540-407 stabilizer bar bushing kit is a fitment-based replacement for the front sway bar bushings used on these model years. If you are searching for a front sway bar bushing kit for 1998 Lexus LS400, 1999 Lexus LS400, or 2000 Lexus LS400, this part number matches the listed application.

This part cross-references MOOG Chassis Products K90543 and Mevotech Supreme MK90543 for the same application.

What It Helps Address

• Clunking or rattling from worn front stabilizer bar bushings
• Excess sway bar movement caused by deteriorated rubber bushings
• Loose or inconsistent front suspension feel over bumps
• Noise from bushing wear, hardening, or cracking
• Restoration of proper sway bar support on the Lexus LS400 front suspension

Installation Notes

Inspect the stabilizer bar, brackets, and surrounding suspension components before installation. Replace worn or damaged related parts as needed so the new bushings seat correctly and maintain proper bar alignment. Verify the inside diameter and assembled length against the original parts before installation.

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 service on the listed Lexus LS400 applications.