MOOG Chassis Products Suspension Control Arm and Ball Joint Assembly P/N:RK623903

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$127.99
MPN: RK623903
Item Package Quantity: 1
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MOOG Chassis Products Suspension Control Arm and Ball Joint Assembly P/N:RK623903
MOOG Chassis Products Suspension Control Arm and Ball Joint Assembly P/N:RK623903
$127.99

Restore precise steering and quiet suspension travel with the MOOG Chassis Products Suspension Control Arm and Ball Joint Assembly RK623903, a front left lower unit that drops in as a direct-fit replacement for the 2008-2017 Buick Enclave, 2009-2017 Chevrolet Traverse, 2007-2016 GMC Acadia, 2017 GMC Acadia Limited and 2007-2010 Saturn Outlook. See the Buyer's Guide tab for the engine-level detail on your vehicle. This complete arm-and-joint assembly locates the front lower suspension and provides the pivoting ball-joint connection for the steering knuckle.

  • Carbon-fiber bearing: A patent-pending carbon fiber-reinforced bearing paired with induction-hardened studs reduces socket friction compared to typical non-reinforced bearings for longer socket life.
  • Hardened studs: Studs are induction hardened to maximize strength, resist breakage and improve fatigue life.
  • Greaseable socket & sealed boot: A greaseable socket lets new lubricant flush contaminants, and a pre-installed dust boot seal helps keep dirt and water out.
  • Corrosion protection & premium bushings: Specially-engineered coatings are applied to metal surfaces to inhibit deterioration from rain, snow, salt and road grime, while pre-installed bushings are tuned to inhibit noise for a comfortable ride.

All necessary mounting hardware is included, and a laser-etched ID marks genuine MOOG quality.

Interchange: 522-021
522021 · TC5233 · 25798012 · 25995438 · CB90423 · GS501016 · CMS501016

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

TC5233, 522-021, 25798012, 25995438, CB90423, GS501016, CMS501016

Frequently Asked Questions

What position does this assembly fit?

It is the front left lower control arm and ball joint assembly for the listed applications. Replacing both sides as a pair is a good practice for balanced suspension and steering.

Which vehicles does the RK623903 fit?

It fits the 2008-2017 Buick Enclave, 2009-2017 Chevrolet Traverse, 2007-2016 GMC Acadia, 2017 GMC Acadia Limited and 2007-2010 Saturn Outlook. Check the Buyer's Guide tab to confirm your vehicle.

Is mounting hardware included?

Yes. MOOG states it comes with all necessary hardware for installation. Follow the vehicle service procedure for correct fasteners and torque values.

Can the ball joint be greased?

Yes, it has a greaseable socket that allows new lubricant to flush out contaminants, which helps reduce corrosion and wear during maintenance.

What are signs this control arm assembly may need replacing?

Common signs include clunking or popping over the front suspension, loose or wandering steering, uneven tire wear, or a torn ball-joint boot. Diagnose the cause before replacing.