Dorman 540-424 Suspension Stabilizer Bar Bushing Kit - Front

OE-Style Front Stabilizer Bar Bushings

Dorman 540-424 is a suspension stabilizer bar bushing kit for the front of select Mazda Miata models. It is precision-engineered and tested as a direct replacement for the original equipment bushing on the specified application, with rubber construction for consistent bar support and noise control.

Key Features

• Fits 1990-1997 Mazda Miata, front
• Rubber bushing construction for OE-style suspension isolation
• Standard replacement grade for direct-fit service
• Inside diameter: 19 mm
• Outside diameter: 30 mm
• Assembled length: 37.6 mm
• No grease fitting included
• No bracket included
• Package contents: 2 bushings

Detailed Description

This Dorman stabilizer bar bushing kit, part number 540-424, is built for front sway bar service on 1990-1997 Mazda Miata vehicles. The rubber material helps restore proper stabilizer bar location and reduces unwanted movement at the bar-to-frame mounting point. For buyers searching for a front sway bar bushing replacement for Mazda Miata 1990-1997, 540-424 provides a direct OE-style solution.

This part cross-references Beck/Arnley 101-6384 and Mevotech Supreme MK90644 for the same application.

Common Problems It Can Address

• Clunking or rattling from the front suspension
• Excess stabilizer bar movement at the mounting point
• Worn or cracked original rubber bushings
• Loose-feeling front sway bar operation
• Noise caused by deteriorated suspension isolation

Installation Notes and Tips

Verify the front stabilizer bar diameter and mounting dimensions before installation. Inspect the sway bar, brackets, and surrounding suspension components for wear or damage, and replace any worn parts as needed to restore proper fit and function. Confirm the vehicle is a 1990-1997 Mazda Miata, front application before service.

Quality Assurance

Dorman manufactures this bushing kit as a standard replacement part and rigorously tests it for reliable OE-style service on the listed Mazda Miata applications.