HomeSuspension > Suspension, Springs and Related ComponentsMoog RK621315 Suspension Control Arm and Ball Joint Assembly - Front Right Lower
Part #: RK621315

Moog RK621315 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Front Right Lower
7 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, Saab, and Isuzu, Trailblazer, Envoy, 9-7x, and Ascender
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Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK621315 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet, GMC, Isuzu, and Saab vehicles. Designed specifically for models like the Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, and Saab 9-7x, this assembly ensures proper suspension function and vehicle stability.

  • Pre-greased for immediate installation and smooth operation
  • Includes rubber bushings for effective vibration dampening
  • Stamped steel control arm construction for durability
  • Press-in ball joint with threaded stud for secure mounting
  • Mounting hardware included for a complete replacement solution
  • Control arm finished in black for corrosion resistance
  • Non-adjustable design with a maximum length of 15.290 inches

Detailed Product Description

The Moog RK621315 control arm and ball joint assembly is a direct replacement part designed to restore suspension geometry and handling characteristics in compatible vehicles. Featuring a stamped steel control arm, this assembly offers strength and rigidity necessary for daily driving conditions. The included rubber bushings help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted with a threaded stud type, ensuring a secure fit and reliable steering response. Pre-greased components allow for immediate installation without additional lubrication, while the included mounting hardware simplifies the replacement process.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with the following makes and models:

  • Chevrolet Trailblazer
  • GMC Envoy
  • Isuzu Ascender
  • Saab 9-7x

Common Suspension Issues Addressed

  • Worn or damaged control arm bushings causing excessive play
  • Ball joint wear leading to steering looseness or noise
  • Corroded or bent control arms affecting alignment
  • Vibration and harshness from deteriorated suspension components
  • Difficulty maintaining proper suspension geometry

Installation Notes and Tips

  • Pre-greased ball joint eliminates the need for additional lubrication during installation
  • Use included mounting hardware to ensure proper fit and torque specifications
  • Verify vehicle compatibility before installation to avoid fitment issues
  • Inspect related suspension components for wear during replacement
  • Professional alignment is recommended after installation

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The RK621315 assembly undergoes rigorous quality control to ensure fit, form, and function. While specific warranty details may vary, Moog typically offers a limited warranty against defects in materials and workmanship, supporting long-term reliability for your Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, or Saab 9-7x.

BrandMoog
Part NumberRK621315
AdjustableNo
Ball Joint Mounting TypePress 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 7 vehicles. Search below:

YearMakeModelPositionNotes
2009ChevroletTrailblazerFront Right LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2009GMCEnvoyFront Right LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2009Saab9-7xFront Right LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2008ChevroletTrailblazerFront Right LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2008GMCEnvoyFront Right LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2008IsuzuAscenderFront Right LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2008Saab9-7xFront Right LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.

* 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:

25784240260635545D102215071827521-972622.380058257842400CB91264CMS501058MS501058

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