Dorman Suspension Trailing Arm for 2004-2009 Buick Chevrolet GMC Oldsmobile 521-979

Suspension trailing arm for 2007 Buick, 2009 Chevrolet, 2009 GMC, 2004 Oldsmobile by Dorman OE Solutions replaces original part.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Direct replacement for original trailing arm
• Engineered for passenger safety and rigorously tested for secure performance
• Quality tested to ensure proper fit and performance
• Dimensions: 21.0in x 3.8in x 3.9in, weight 4.5lbs

Benefits

• Provides smooth ride and predictable handling
• Enhances vehicle safety by maintaining proper suspension geometry
• Reliable performance for daily driving demands
• Reduces risk of repeat repairs with durable construction

Application

This part is ideal for owners seeking a trustworthy replacement that restores original handling characteristics and ensures passenger safety.

Fitment Notes

• 2004-2009 Buick, 2007-2009 Chevrolet, 2009 GMC, 2004 Oldsmobile

Why Choose Dorman - OE Solutions?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• Included items not specified by the manufacturer.

Item Dimensions