Dorman 538-126 Suspension Subframe Bushing - Rear Lower Forward

Dorman 538-126 Rear Lower Forward Subframe Bushing

Dorman 538-126 is a standard replacement suspension subframe bushing for specific GM minivans and crossovers with rear lower forward mounting points. It is precision-engineered and tested to replace the original equipment bushing on applications such as the Buick Rendezvous, Pontiac Aztek, and Chevrolet Uplander.

• Rubber/elastomer construction for suspension isolation
• Black and silver finish
• Inside diameter: 14.5 mm
• Outside diameter: 42.3 mm
• Height: 63 mm
• Bushing thickness: 69 mm
• Standard replacement grade
• Mounting hardware not included

Detailed Product Overview

This suspension subframe bushing is built for the rear lower forward position and is used on vehicles with independent rear suspension where specified. Dorman 538-126 is a direct-fit replacement option for restoring the connection between the subframe and chassis on applications including 2002-2007 Buick Rendezvous, 2005-2007 Buick Terraza, 2005-2006 Chevrolet Uplander, 2005-2006 Pontiac Montana, 2005-2006 Saturn Relay, 2001-2005 Pontiac Aztek, 2002-2004 Oldsmobile Silhouette, and 2000-2004 Pontiac Montana. This part cross-references MOOG Chassis Products K200721 for the same application.

Common Repair Symptoms

• Clunking or knocking from the rear suspension
• Excessive subframe movement under load
• Worn rubber causing vibration transfer into the cabin
• Loose or degraded rear lower forward mounting support
• Uneven suspension response on Buick Rendezvous, Pontiac Aztek, or Chevrolet Uplander applications

Installation Notes

Verify the rear lower forward position and vehicle configuration before installation. This bushing is used on specific models, including Buick Rendezvous and Pontiac Aztek applications, and some listings note independent rear suspension. Inspect the surrounding subframe, mounting surfaces, and fasteners for wear or corrosion before pressing in the replacement bushing. Professional installation and proper suspension alignment procedures are recommended after service.

Quality Assurance

Dorman tests this replacement bushing to meet standard replacement expectations for the listed applications. The part is engineered to match the original equipment function on supported vehicles and is backed by Dorman’s product quality standards.