Dorman 540-419 Suspension Stabilizer Bar Bushing Kit - Front

Dorman 540-419 Stabilizer Bar Bushings

Dorman 540-419 is a front suspension stabilizer bar bushing kit for select Mazda applications. It is precision-engineered and tested as a standard replacement for the original equipment bushing on specific vehicles, including Mazda MX-5, Mazda MX-5 Miata, and Mazda RX-8 front suspension setups.

Key Features

• Rubber bushing construction for stabilizer bar mounting support
• Inside diameter: 24 mm
• Outside diameter: 36 mm
• Assembled length: 40 mm
• Bracket not included
• Grease fitting not included
• Standard replacement grade

Detailed Description

This Dorman suspension stabilizer bar bushing kit, part number 540-419, is built for front sway bar service on select Mazda vehicles. It is a direct-fit replacement for OE-style stabilizer bar bushings and is made from rubber for consistent suspension mounting performance. This part cross-references Delphi TD4705W for the same application.

Compatible with front suspension applications on 2004-2008 Mazda RX-8, 2006-2008 Mazda MX-5 with retractable hardtop, 2006-2015 Mazda MX-5 Miata with retractable hardtop, and 2010-2015 Mazda MX-5 with retractable hardtop. The Dorman 540-419 is a practical choice when servicing worn stabilizer bar bushings on these Mazda models.

What It Is Used For

• Replacing worn front stabilizer bar bushings
• Addressing clunking or rattling from the front suspension
• Restoring stabilizer bar support and alignment
• Reducing excess movement at the sway bar mounting points
• Servicing front suspension wear on Mazda MX-5, Mazda MX-5 Miata, and Mazda RX-8

Installation Notes and Tips

Verify front-position fitment before installation and confirm the stabilizer bar dimensions match the listed 24 mm inside diameter and 36 mm outside diameter. Because brackets are not included, reuse the existing hardware only if it is in serviceable condition. Confirm vehicle configuration, including retractable hardtop applications where noted, before ordering.

Quality Assurance

Dorman manufactures this bushing kit as a tested replacement part for specific OE applications. The design and material selection are intended to match the original fit and function for the listed Mazda front suspension uses.