Help keep the wheel tracking where it should with the Mevotech Supreme control arm CMS20328. This front right lower control arm with ball joint links the steering knuckle to the chassis so the wheel can move with the suspension. It fits many vehicles, among them the 2000-2013 Chevrolet Impala, 2005-2009 Buick LaCrosse and 2014-2016 Chevrolet Impala Limited. See the "Vehicles it fits" section for the full list and engine details.
This Mevotech Supreme suspension control arm comes from a line engineered in-house with application-specific upgrades aimed at durability and performance. The line is built for high-usage passenger and commercial vehicles, SUVs, fleets and working trucks, and its Labor Saver™ designs and hardware are intended to make installation faster and easier.
- Sintered bearings: designed for tougher, longer-lasting performance.
- Stiffer bushings: upgraded with a solid cross section for added stiffness and durability, helping improve handling.
- Larger-sphere ball stud: an application-specific ball stud system built around a larger sphere.
- Stamped steel construction: built to match or surpass OE specifications, with a protective surface treatment that helps resist rust buildup.
Installation is simple: the ball joint secures to the vehicle with the part-specific castle nut and cotter pin provided. The included 180-degree SAE grease fitting makes later servicing easy. Because it arrives as a control arm and ball joint assembly, the arm and the joint are replaced together as one unit.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Will this work as a 2000-2013 Chevy Impala control arm?
It is listed as the front right lower arm for the 2000-2013 Chevrolet Impala and the 2014-2016 Chevrolet Impala Limited. The "Vehicles it fits" section shows your exact vehicle and engine.
Is this also a 2005-2009 Buick LaCrosse control arm?
Yes. It is listed for the 2005-2009 Buick LaCrosse in the front right lower position, and the "Vehicles it fits" section shows the other listed vehicles.
What hardware comes with the CMS20328?
It includes a part-specific castle nut and cotter pin for securing the ball joint, plus a 180-degree SAE grease fitting.
What are signs a lower control arm or ball joint may need replacing?
Signs can include clunking over bumps, loose or wandering steering, uneven tire wear and play at the ball joint. Diagnose the cause first, because other suspension parts can cause similar symptoms.
Can the ball joint on this arm be greased?
Yes. The included 180-degree SAE grease fitting lets you lubricate the joint during routine service.
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