Keep the front left wheel located where it belongs with the Dorman control arm, part number 520-143, a direct replacement for the front left upper arm. It fits many vehicles, among them the 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy and 2003-2006 Chevrolet SSR. See the Buyer's Guide tab for the full list and engine details.
As a suspension control arm, this part links the front left wheel assembly to the vehicle's frame. It holds the wheel in position while the suspension moves up and down over the road. Dorman precision-engineers and tests it as a reliable replacement for the original equipment on the listed applications.
- Direct replacement: designed to fit and perform like the factory arm on the listed vehicles.
- Reliable fit: precision-engineered to match the design and dimensions of the original components.
- Durable construction: built to strict standards from sturdy, safe materials.
- Rigorously tested: thorough quality-control checks are intended to support long service life.
Clunking or knocking over bumps, loose or wandering steering, and uneven tire wear are signs that a control arm may need replacing. Diagnose the cause first, because worn bushings, ball joints and other front-end parts can produce similar symptoms. This arm is cataloged for the front left upper position. Consult the vehicle service information for the correct fasteners and torque, and have the wheel alignment checked after installation.
