HomeSuspension > Suspension, Springs and Related ComponentsMoog RK620310 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
Part #: RK620310

Moog RK620310 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower
11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Isuzu, and Oldsmobile, Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Ascender, and Bravada
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Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK620310 suspension control arm and ball joint assembly is designed for reliable performance in Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. This pre-greased, stamped steel control arm is engineered to provide durable suspension support for models like the Trailblazer, Envoy, and Ascender.

  • Pre-greased for immediate use
  • Includes rubber bushings and mounting hardware
  • Stamped steel control arm construction in black finish
  • Bolt-in ball joint with threaded stud for secure fitment
  • Compatible with Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, and Oldsmobile Bravada

Durable Construction and Key Features

The RK620310 control arm assembly features a stamped steel control arm with a maximum length of 15.290 inches, finished in black for corrosion resistance. It comes pre-greased to reduce initial maintenance and includes rubber bushings that help absorb road vibrations and improve ride quality. The ball joint is bolt-in mounted with a threaded stud type, ensuring a secure and precise fit. Mounting hardware is included to facilitate installation without the need for additional parts.

Compatible Vehicles and Applications

This Moog suspension control arm and ball joint assembly is compatible with a range of mid-size SUVs and trucks, including Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy and Envoy XL, Isuzu Ascender, and Oldsmobile Bravada. The part number RK620310 ensures correct fitment for these specific models, providing a direct replacement for worn or damaged suspension components.

Common Suspension Issues Addressed

  • Worn or damaged control arm bushings causing steering instability
  • Loose or failing ball joints leading to uneven tire wear
  • Excessive suspension noise or clunking during driving
  • Reduced vehicle handling and alignment problems
  • Corrosion or structural damage to original control arms

Installation Notes and Tips

Installation of the Moog RK620310 control arm assembly requires basic suspension tools and mechanical knowledge. Since the part comes pre-greased and includes bushings and mounting hardware, it simplifies the replacement process. Ensure the vehicle is properly supported and aligned after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM specifications. The RK620310 control arm and ball joint assembly undergoes rigorous testing to ensure durability and performance. While specific warranty details may vary, Moog typically offers a limited warranty covering defects in materials and workmanship for this part.

BrandMoog
Part NumberRK620310
AdjustableNo
Ball Joint Mounting TypeBolt In
Ball Joint Stud TypeThreaded
Bushing MaterialRubber
Bushings IncludedYes
Control Arm ColorBlack
Control Arm MaterialStamped Steel
Control Arm Maximum Length15.290
Grease Fitting IncludedNo
Mounting Hardware IncludedYes
Pre-GreasedYes

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2003ChevroletTrailblazerFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2003ChevroletTrailblazer EXTFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2003GMCEnvoyFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2003GMCEnvoy XLFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2003IsuzuAscenderFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2003OldsmobileBravadaFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2002ChevroletTrailblazerFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2002ChevroletTrailblazer EXTFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2002GMCEnvoyFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2002GMCEnvoy XLFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.
2002OldsmobileBravadaFront Left LowerOE replacement suspension control arm and ball joint assembly with 12mm stabilizer bar link stud diameter.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1503047150712511507294315091389151620101516515015167262151831441519848619133553260601945D10187507-1592521-389622.660556236605581519848608191335530819133555089060576CB90373CB90374CB91323CMS50154FA3020JTC2402MS50154

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.