Dorman 540-422 Suspension Stabilizer Bar Bushing Kit - Front

Dorman 540-422 Front Stabilizer Bar Bushings

Dorman 540-422 is a front suspension stabilizer bar bushing kit built as a standard replacement for specific Mazda applications. It is precision-engineered and tested to match the original equipment function on the vehicle, helping restore proper sway bar support and suspension control.

Compatible with 1986-1987 Mazda B2000, front; 1987 Mazda B2200, front; and 1987-1993 Mazda B2600, front. This Dorman 540-422 bushing kit is a direct-fit service part for front stabilizer bar service on these Mazda trucks.

Key Features

• Standard replacement stabilizer bar bushing kit for front suspension service
• Rubber construction for OE-style fit and function
• Black finish
• Inside diameter: 24 mm
• Outside diameter: 32.3 mm
• Assembled length: 40.8 mm
• Bracket included: No
• Grease fitting included: No
• Mounting hardware included: No
• Package contents: 2 bushings

Detailed Description

Built for front stabilizer bar applications, Dorman 540-422 helps replace worn sway bar bushings that can affect ride quality and suspension response. The rubber material is selected for standard replacement service, and the dimensions are specified for the listed Mazda B2000, B2200, and B2600 fitments. If you are searching for a front sway bar bushing kit for a 1987-1993 Mazda B2600 or a front stabilizer bar bushing replacement for a 1986-1987 Mazda B2000, this part number provides the correct OE-style service solution.

This part cross-references Mevotech Supreme MK90016 for the same application.

What It Helps Address

• Clunking or rattling from worn front stabilizer bar bushings
• Excessive sway bar movement at the front suspension
• Loose or inconsistent front-end feel over bumps and turns
• Rubber bushing wear from age, heat, and road exposure
• Need for a standard replacement sway bar bushing on Mazda B2000, B2200, or B2600 models

Installation Notes and Tips

Verify the stabilizer bar diameter and bushing dimensions before installation. Inspect the sway bar, brackets, and surrounding suspension components for wear or damage during service. Because mounting hardware and brackets are not included, reuse or replace related components as needed based on vehicle condition. Confirm front-position fitment for the specific Mazda model before ordering.

Quality Assurance

Dorman states that this suspension stabilizer bar bushing kit is precision-engineered and rigorously tested to provide reliable replacement performance for the original equipment on the listed vehicles.