Moog RK620309 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

OE-Style Front Right Lower Control Arm

Restore front suspension geometry with the Moog RK620309 suspension control arm and ball joint assembly. This OE replacement is built for the front right lower position on select Chevrolet Trailblazer, GMC Envoy, and related applications, with a stamped steel arm, pre-greased ball joint, and corrosion-focused construction.

Key Features

• Stamped steel control arm for structural strength
• Pre-greased ball joint for ready-to-install service
• Rubber bushings included for suspension isolation
• Bolt-in ball joint mounting type with threaded stud
• Mounting hardware included
• Black corrosion-resistant finish
• Non-adjustable OE replacement design

Detailed Product Overview

Moog RK620309 is engineered as a suspension control arm and ball joint assembly for the front right lower position. It is listed for 2002-2003 Chevrolet Trailblazer, 2002-2003 Chevrolet Trailblazer EXT, 2002-2003 GMC Envoy, 2002-2003 GMC Envoy XL, 2003 Isuzu Ascender, and 2002-2003 Oldsmobile Bravada. This part cross-references Dorman OE Solutions 521-390 for the same application. The assembly uses stamped steel construction, rubber bushings, and a bolt-in ball joint to support OE-style suspension service on these platforms.

What This Part Helps Address

• Front-end clunking from worn control arm bushings
• Loose or unstable steering feel at the front right corner
• Uneven tire wear caused by suspension wear
• Ball joint play that affects alignment and handling
• Noise or vibration from a deteriorated lower control arm assembly

Installation Notes and Fitment

Fits 2002-2003 Chevrolet Trailblazer, front right lower. Fits 2002-2003 Chevrolet Trailblazer EXT, front right lower. Fits 2002-2003 GMC Envoy, front right lower. Fits 2002-2003 GMC Envoy XL, front right lower. Fits 2003 Isuzu Ascender, front right lower. Fits 2002-2003 Oldsmobile Bravada, front right lower. Verify the 12mm stabilizer bar link stud diameter before installation. The assembly is pre-greased and includes mounting hardware, which supports a straightforward replacement process during suspension repair.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with OE-style serviceability for foreign and domestic nameplates. Part number RK620309 is built to meet the demands of front suspension replacement on the listed applications.