Dorman 540-159 Suspension Knuckle Bushing - Rear Lower Rearward

Dorman 540-159 Suspension Knuckle Bushing

Dorman 540-159 is a suspension knuckle bushing built as a standard replacement for the original equipment part on specific rear suspension applications. It uses steel and rubber construction to restore the knuckle’s mounting interface on select Chevrolet and Pontiac models.

Key Features

• Precision-engineered suspension knuckle bushing for OE-style replacement
• Steel and rubber construction for the rear suspension mounting point
• Black and gray finish
• Standard replacement grade for direct service use
• Fits the rear lower rearward position on listed applications
• Part number 540-159 for easy identification

Application Details

Compatible with 2012-2017 Chevrolet Caprice, rear lower rearward; 2014-2017 Chevrolet SS, rear lower rearward; and 2008-2009 Pontiac G8, rear lower rearward. This Dorman 540-159 suspension knuckle bushing is a direct-fit service part for rear suspension repair on Chevrolet Caprice, Chevrolet SS, and Pontiac G8 applications.

This part cross-references 92225044 for the same application.

What It Helps Fix

• Excessive play at the rear suspension knuckle mounting point
• Clunking or knocking noises from worn bushings
• Uneven rear suspension movement caused by deteriorated rubber
• Loss of suspension stability from damaged OE bushing material
• Service needs on the rear lower rearward knuckle location

Installation Notes and Tips

Verify the vehicle year, make, model, and rear lower rearward position before installation. This bushing does not include mounting hardware, so reuse or source the required hardware separately as needed. Inspect the surrounding suspension components for wear before completing the repair.

Quality Assurance

Dorman engineers this suspension knuckle bushing as a replacement for the original equipment part and tests it for reliable service on the listed vehicles. Part number 540-159 is built to meet standard replacement expectations for the specified applications.