Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMS501055

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$180.99
MPN: CMS501055
UPC: 669719238748
Item Package Quantity: 1
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Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMS501055
Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMS501055
$180.99

Keep the front end tight and tracking straight with the Mevotech Supreme control arm (CMS501055), a front left lower control arm and ball joint assembly that connects the steering knuckle to the frame, locates the wheel, and lets the suspension travel while the integrated ball joint pivots. It drops in as a direct-fit replacement for the listed 2003-2025 Chevrolet Express 2500 and 3500, 2009-2025 Chevrolet Express 4500, 2003-2025 GMC Savana 2500 and 3500, and 2009-2024 GMC Savana 4500 — see the Buyer's Guide tab for engine-level fitment.

  • Sintered bearings: engineered for longer-lasting toughness in high-usage service.
  • Larger-sphere ball stud: an application-specific ball stud system with a larger sphere.
  • Cast steel construction: built to OE-level tolerances, with a protective surface treatment that helps resist rust.
  • Labor Saver hardware: a 90-degree SAE grease fitting and a part-specific locking nut speed up ball joint installation.

Mevotech Supreme parts are engineered in-house with application-specific upgrades and are built for commercial and passenger vehicles, SUVs, fleets and working trucks, so this Mevotech Supreme lower control arm is a fitting choice for these vans. If clunking over bumps, loose or wandering steering, or uneven tire wear traces to a worn bushing or ball joint on this corner, replacing the assembly restores it.

Interchange: 820-96742B · 521-921
82096742B · 521921 · 19390863 · 15750832 · 20869232 · CA16512 · 20819411 · 25793531 · RK622918 · 2608354 · 30034792 · 11CB50580 · X07CJ1375

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

19390863, 820-96742B, 15750832, 20869232, 521-921, CA16512, 20819411, 25793531, RK622918, CMS501055, 2608354, 30034792, 11CB50580, X07CJ1375

Frequently Asked Questions

What is the Mevotech Supreme control arm and ball joint assembly?

It's a one-piece front left lower control arm with an integrated ball joint (CMS501055). The arm links the steering knuckle to the frame and locates the wheel while the ball joint pivots through suspension travel.

Which corner does CMS501055 fit?

This is the front left (driver-side) lower unit for the listed Chevrolet Express and GMC Savana vans. Order the matching part for the opposite side if you're servicing both corners.

Does this Mevotech Supreme suspension control arm fit my Chevrolet Express 2500?

Yes — it's listed for the 2003-2025 Chevrolet Express 2500, along with the Express 3500 and 4500 and the GMC Savana 2500, 3500 and 4500. Check the Buyer's Guide tab for engine-level fitment.

Is any installation hardware included?

Yes. It comes with a 90-degree SAE grease fitting and a part-specific locking nut for faster ball joint installation. Consult the vehicle service information for any additional fasteners and torque specs.

What are signs this control arm may need replacing?

Clunking or knocking from the front over bumps, loose or wandering steering, and uneven tire wear can point to a worn control arm bushing or ball joint. Diagnose the cause before replacing.