Dorman 540-438 Suspension Stabilizer Bar Bushing Kit - Rear

Dorman 540-438 Rear Stabilizer Bar Bushings

Dorman 540-438 is a suspension stabilizer bar bushing kit made for specific vehicles, including the 2003-2008 Mazda 6 rear application with a 22 mm diameter bar. Built as a standard replacement, it uses rubber/elastomer construction to restore sway bar support and help maintain stable suspension movement.

• Precision-engineered replacement for the original stabilizer bar bushings
• Rubber/elastomer material for OE-style suspension support
• Designed for rear stabilizer bar service on select Mazda 6 models
• Standard replacement grade for direct-fit maintenance work
• Bracket not included
• Grease fitting not included

Fitment Details

Compatible with 2003-2008 Mazda 6, rear, 22 mm diameter bar. This Dorman 540-438 bushing kit is also a direct search match for Mazda 6 rear stabilizer bar bushing replacement and rear sway bar bushing service on the 2003, 2004, 2005, 2006, 2007, and 2008 Mazda 6.

This part cross-references Delphi TD5510W for the same application.

What It Helps Address

• Clunking or rattling from worn rear stabilizer bar bushings
• Excessive play at the sway bar mounting points
• Reduced suspension control caused by deteriorated rubber bushings
• Noise during cornering or over uneven pavement
• Maintenance replacement for aging rear suspension bushings

Installation Notes

Verify the rear stabilizer bar diameter before installation; this application is listed for a 22 mm bar. Inspect the stabilizer bar and mounting surfaces for wear or corrosion before fitting the new bushings. Professional installation is recommended for proper suspension service and alignment of the rear sway bar components.

Quality Assurance

Dorman states that this stabilizer bar bushing kit is precision-engineered and rigorously tested to serve as a reliable replacement for original equipment on the listed vehicles. Part number 540-438 is built to standard replacement specifications for consistent fit and function.