Dorman 540-456 Suspension Stabilizer Bar Bushing Kit - Front

Dorman 540-456 Front Stabilizer Bar Bushings

Dorman 540-456 is a front suspension stabilizer bar bushing kit built as a standard replacement for the original equipment on select Nissan and INFINITI vehicles. It is made from rubber/elastomer material and is engineered for a precise OE-style fit on the front sway bar mounting points.

Key Features

• Standard replacement stabilizer bar bushing kit for front suspension service
• Rubber/elastomer construction for OE-style compliance and fit
• Inside diameter: 26 mm
• Outside diameter: 46 mm
• Assembled length: 47 mm
• Bracket included: No
• Grease fitting included: No
• Fits front applications on Nissan Frontier, Pathfinder, Xterra, 240SX, and INFINITI QX4

Detailed Description

This Dorman 540-456 stabilizer bar bushing kit is precision-engineered and tested for reliable replacement of the original front sway bar bushings. It helps restore proper stabilizer bar support at the chassis mounting points, which is important for maintaining consistent front suspension response on vehicles such as the Nissan Frontier, Nissan Pathfinder, Nissan Xterra, INFINITI QX4, and Nissan 240SX. This part cross-references MOOG Chassis Products (e.g., K90024) for the same application.

What It Helps Address

• Front stabilizer bar movement caused by worn bushings
• Clunking or rattling from the front suspension area
• Excessive sway bar play at the frame mount
• Reduced steering feel from deteriorated bushing material
• Uneven front suspension noise over bumps and turns

Installation Notes and Tips

Verify the front stabilizer bar diameter and bushing dimensions before installation. Inspect the sway bar, mounting surfaces, and related hardware for wear or corrosion before reassembly. This kit does not include a bracket or grease fitting, so reuse or replace related components as needed based on the vehicle’s existing setup. Fits 2000-2004 Nissan Frontier, front; Fits 1996-2004 Nissan Pathfinder, front; Fits 2000-2004 Nissan Xterra, front; Fits 1997-2003 INFINITI QX4, front; Fits 1995-1998 Nissan 240SX, front.

Quality Assurance

Dorman designs this replacement bushing kit to match the original equipment application on specific vehicles and subjects it to testing for dependable fit and function. Part number 540-456 is built as a standard replacement for front suspension service on the listed applications.