Moog RK641781 Suspension Control Arm - Rear Upper Forward

OE-Style Rear Upper Forward Control Arm

The Moog RK641781 is a suspension control arm for the rear upper forward position on select Buick, Chevrolet, GMC, and Saturn vehicles. Built from forged steel with a painted black finish, it is engineered for structural strength and corrosion protection in everyday driving conditions.

Fits 2008-2017 Buick Enclave, rear upper forward. Fits 2009-2017 Chevrolet Traverse, rear upper forward. Fits 2007-2016 GMC Acadia, rear upper forward. Fits 2017 GMC Acadia Limited, rear upper forward. Fits 2007-2010 Saturn Outlook, rear upper forward.

• Forged steel construction for rigid suspension support
• Black painted finish for added corrosion resistance
• Rubber bushings included for suspension isolation
• Direct replacement for the rear upper forward control arm position
• OE-style fitment for select GM crossover applications

Fitment and Application Details

This control arm is used in the rear suspension to maintain proper wheel location and alignment geometry. It cross-references Dorman OE Solutions 522-868 for the same application.

Part number RK641781 is listed for Buick Enclave, Chevrolet Traverse, GMC Acadia, GMC Acadia Limited, and Saturn Outlook applications across the model years shown above. The fitment coverage includes 34 vehicle applications across the 2007-2017 model years.

What It Helps Address

• Rear suspension looseness or wandering caused by worn control arm bushings
• Clunking or knocking from the rear suspension area
• Uneven tire wear related to suspension geometry changes
• Alignment instability after bushing or arm wear
• Excess movement in the rear upper forward suspension mount

Installation Notes

Verify the rear upper forward position before ordering, since this arm is not adjustable and does not include a ball joint, grease fitting, or mounting hardware. Inspect adjacent suspension components and alignment settings during replacement to confirm the source of wear.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. RK641781 is built as a regular-grade replacement control arm with rubber bushings and a forged steel body for dependable suspension service.