Dorman 540-420 Suspension Stabilizer Bar Bushing Kit - Front

Dorman 540-420 Front Stabilizer Bar Bushing Kit

Dorman 540-420 is a front suspension stabilizer bar bushing kit for select 2003-2008 Mazda 6 models. It is precision-engineered and tested as a direct replacement for the original equipment bushing on the specified application.

Key Features

• Fits 2003-2008 Mazda 6, front
• Rubber construction for OE-style suspension service
• Inside diameter: 22 mm
• Outside diameter: 43 mm
• Assembled length: 48 mm
• Standard replacement grade
• No grease fitting included
• No bracket included

Detailed Description

This Dorman stabilizer bar bushing kit, part number 540-420, is built for the front sway bar on the Mazda 6. The rubber bushing helps restore the stabilizer bar’s mounting interface and supports consistent suspension movement at the front of the vehicle. For shoppers searching for a front sway bar bushing kit for 2003-2008 Mazda 6, Dorman 540-420 provides a direct-fit replacement option for the listed application.

This part cross-references MOOG Chassis Products K200627 and TRW JBU1462 for the same application.

What It Helps Address

• Front suspension noise from worn stabilizer bar bushings
• Excess play at the sway bar mounting points
• Reduced steering response caused by deteriorated rubber bushings
• Clunking or rattling over bumps in the front suspension
• Uneven stabilizer bar support on the Mazda 6

Installation Notes and Tips

Verify the stabilizer bar diameter and bushing dimensions before installation. This front bushing kit does not include a bracket or grease fitting. Inspect the sway bar, mounting points, and surrounding suspension components for wear before reassembly.

Quality Assurance

Dorman designs this replacement bushing kit to match the original equipment application on the listed Mazda 6 vehicles and subjects it to testing for reliable service in standard suspension use.