Moog RK640294 Suspension Control Arm - Front Left Upper

Moog RK640294 Front Left Upper Control Arm

Restore front suspension geometry with this Moog control arm for select GM and related applications. The RK640294 is a stamped steel upper control arm with rubber bushings and a painted black finish, built for structural strength and corrosion protection in everyday driving conditions.

Key Features

• Stamped steel construction for rigid suspension support
• Black painted finish for added corrosion resistance
• Rubber bushings included for direct replacement service
• Non-adjustable design for OE-style fitment
• Front left upper position
• Moog RK640294 application-specific replacement part

Detailed Description

Moog RK640294 is a front left upper suspension control arm for vehicles including the 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2003-2008 Isuzu Ascender, 2004-2007 Buick Rainier, 2003-2006 Chevrolet SSR, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada. It is engineered with stamped steel for strength and includes rubber bushings to help maintain suspension alignment and ride control. This part cross-references Dorman - OE Solutions 520-143 for the same application.

What It Helps Address

• Excessive front-end looseness or wandering
• Clunking or knocking from worn suspension bushings
• Uneven tire wear caused by worn upper control arm components
• Steering instability from fatigued suspension geometry
• Front left upper control arm wear on Trailblazer, Envoy, and related platforms

Installation Notes and Tips

Confirm vehicle year, make, model, and front left upper position before ordering. This control arm does not include a ball joint, mounting hardware, or a grease fitting, and it is not pre-greased. Because suspension components affect alignment, a professional alignment is recommended after installation. Moog RK640294 is a direct replacement-style part for the listed applications.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. RK640294 is built to meet OEM standards for the listed applications.