Mevotech MS504309 Suspension Stabilizer Bar Bushing Kit - Rear To Frame

Rear Stabilizer Bar Bushing Kit for OE-Style Fitment

Mevotech MS504309 is a suspension stabilizer bar bushing kit built with rubber bushings for rear-to-frame mounting. It is a direct-fit service part for select Buick, Pontiac, and Oldsmobile applications, including the Buick Park Avenue, Pontiac Bonneville, and Oldsmobile Aurora.

Key Features

• Rubber construction for stabilizer bar isolation and support
• Includes 2 bushings per kit
• Black finish
• Inside diameter: 1.54 in.
• Overall dimensions: 1.81 in. width, 1.81 in. height, 1.81 in. outside diameter
• Length: 2.09 in.
• Rear to frame application
• Mevotech MS504309 replacement part number

Detailed Description

Mevotech MS504309 stabilizer bar bushings are made from rubber to help secure the rear sway bar to the frame while maintaining proper suspension articulation. This suspension stabilizer bar bushing kit is sized for the listed rear-to-frame applications and is a practical OE-style service part for restoring the mounting interface on the Buick Park Avenue, Pontiac Bonneville, and Oldsmobile Aurora. This part cross-references MOOG Chassis Products K201382 for the same application.

Use Mevotech MS504309 when servicing worn rear stabilizer bar bushings on 1997-2005 Buick Park Avenue, 2000-2005 Pontiac Bonneville, and 2001-2003 Oldsmobile Aurora models. The rubber material and matched dimensions support a proper fit at the rear frame mounting point.

What It Helps Fix

• Clunking or knocking from the rear suspension
• Excessive sway bar movement at the frame mount
• Worn, cracked, or flattened stabilizer bar bushings
• Loose-feeling rear suspension response
• Noise caused by deteriorated rubber isolators

Installation Notes and Tips

Verify the rear-to-frame mounting location and compare the bushing dimensions to the original part before installation. Clean the stabilizer bar and frame contact surfaces so the new bushings seat evenly. Confirm the inside diameter and overall size match the vehicle’s rear stabilizer bar before final assembly.

Quality Assurance

Mevotech MS504309 is a cataloged suspension service part with confirmed vehicle-specific fitment for the listed applications. The part number MS504309 is also referenced under Mevotech Supreme MS504309 and related interchange listings for the same use case.