Dorman 540-491 Suspension Stabilizer Bar Bushing Kit - Rear

Dorman 540-491 Rear Stabilizer Bar Bushing Kit

Dorman 540-491 is a rear suspension stabilizer bar bushing kit built as a standard replacement for specific vehicles. It is precision-engineered and tested to match the original equipment function on the applications listed below, including 2002-2006 Nissan Altima rear fitment.

Key Features

• Direct replacement stabilizer bar bushings for rear suspension service
• Rubber construction for OE-style fit and isolation
• Standard replacement grade for routine chassis repair
• Inside diameter: 0.885 in.
• Outside diameter: 1.43 in.
• Assembled length: 1.11 in.
• Bracket included: No
• Grease fitting included: No
• Compatible with 2002-2006 Nissan Altima, rear

Detailed Description

This Dorman suspension stabilizer bar bushing kit is made for rear sway bar service on 2002, 2003, 2004, 2005, and 2006 Nissan Altima models with thermoplastic bushings noted in the fitment data. The rubber material is selected for a direct OE-style replacement, helping restore the stabilizer bar’s mounting interface and maintain proper suspension control. Part number 540-491 is also referenced by several aftermarket and OE-style cross numbers for the same application.

This part cross-references MOOG Chassis Products K90598 and Delphi TD4155W for the same application.

What It Helps Fix

• Rear suspension noise from worn stabilizer bar bushings
• Excessive sway bar movement at the mounting points
• Loose or degraded bushing material on the rear stabilizer bar
• Handling inconsistency caused by worn chassis isolation components
• Fitment issues when replacing rear sway bar bushings on a Nissan Altima

Installation Notes and Tips

Verify the rear stabilizer bar diameter and bushing dimensions before installation. Clean the mounting surfaces and inspect the stabilizer bar and surrounding hardware for wear or corrosion. This kit does not include brackets or grease fittings, so reuse or source any required related components separately if your vehicle setup calls for them.

Quality Assurance

Dorman designs and tests this stabilizer bar bushing kit as a reliable replacement for the original equipment part on the specified vehicles. Part number 540-491 is built to standard replacement specifications for consistent fit and function.