Keep your rear suspension geometry tight and your tires tracking true with the Mevotech Supreme Lateral Arm CMS501005, a direct-fit replacement for the listed GM applications. It fits many vehicles, among them the 2000-2013 Chevrolet Impala, 2005-2010 Buick LaCrosse and 2014-2016 Chevrolet Impala Limited. It installs in the rear forward position, where it locates the suspension and helps hold proper wheel alignment through cornering, braking, and everyday driving.
- Steel tube construction: built to meet or exceed OE specifications.
- Corrosion resistant: a protective surface treatment helps guard against rust build-up for added longevity.
Signs the original lateral arm may need replacing include clunking or rattling from the rear over bumps, loose or wandering handling, and uneven tire wear from alignment drift. If a worn lateral arm is the cause, this unit replaces it. Have the vehicle aligned after installation.
See the "Vehicles it fits" section for engine-level fitment and the full list.
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Frequently Asked Questions
What is this part and what does it do?
It's a rear forward lateral arm. It locates the rear suspension and helps maintain proper wheel alignment during cornering, braking, and normal driving.
Where does the CMS501005 install?
In the rear forward position on the listed applications. See the "Vehicles it fits" section to confirm fitment for your specific vehicle and engine.
What is it made of?
It uses steel tube construction built to meet or exceed OE specifications, with a protective surface treatment that helps resist corrosion.
What are signs my lateral arm needs replacing?
Clunking or rattling from the rear over bumps, loose or wandering handling, and uneven tire wear from alignment drift. Diagnose the cause before replacing.
Do I need an alignment after installing it?
Yes. Replacing a suspension arm affects rear alignment, so have the vehicle aligned after installation for even tire wear and proper handling.
