Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMS501045

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$189.99
MPN: CMS501045
UPC: 669719289702
Item Package Quantity: 1
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Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMS501045
Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMS501045
$189.99

Help keep your rear suspension tracking true with the Mevotech Supreme control arm, part number CMS501045. This rear left lower unit installs as a direct-fit replacement for the 2004-2009 Cadillac XLR and 2005-2013 Chevrolet Corvette (see the Buyer's Guide tab to confirm your engine and configuration). As a Mevotech Supreme lower control arm, it positions the rear wheel and, through its integrated ball joint, allows suspension travel while helping keep alignment angles stable.

  • Superior toughness: patented sintered bearings for longer-lasting performance.
  • Longer service life: additional surface treatment on the ball joint that helps prevent rust build-up.
  • Simple to service: a 90-degree SAE grease fitting is included.
  • Faster fit: a ball joint with a thicker, stronger flange to help prevent deformation during installation, plus a part-specific hex nut.
  • Forged aluminum construction engineered to OE-level specifications.

This Mevotech Supreme suspension control arm and ball joint assembly is sold individually; replacing the left and right sides together is recommended. If a worn control arm or a failing ball joint is behind clunking over bumps, uneven rear tire wear, or loose handling, this replaces them; diagnose the cause before ordering.

Interchange: 2703-83804
270383804 · 19356848 · 10339916 · 10305158 · 10436132 · 15926333 · 15926335 · 20799879 · 25949986 · GS501045 · 2607483 · 30034535 · 9CB50542

This part cross-references / interchanges with the following part numbers:

19356848, 2703-83804, 10339916, 10305158, 10436132, 15926333, 15926335, 20799879, 25949986, GS501045, CMS501045, 2607483, 30034535, 9CB50542

Frequently Asked Questions

What vehicles does the Mevotech Supreme control arm CMS501045 fit?

It's a direct-fit replacement for the 2004-2009 Cadillac XLR and 2005-2013 Chevrolet Corvette. Check the Buyer's Guide tab to confirm your engine and configuration.

Is the ball joint built into this control arm?

Yes—the ball joint is integrated into the arm, so both are replaced together. This is the rear left lower position.

Can the ball joint be greased?

It includes a 90-degree SAE grease fitting, so the ball joint is serviceable. Add grease following the vehicle's service procedure.

What are the signs I need a new control arm?

Clunking or knocking over bumps, uneven rear tire wear, and loose or imprecise handling can indicate a worn control arm or ball joint. Diagnose the cause before replacing.

Does the ball joint resist rust?

The ball joint has additional surface treatment that helps prevent rust build-up, and the arm uses forged aluminum construction.