HomeMoog RK620336 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
Part #: RK620336

Moog RK620336 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Front Left Upper
25 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$146.51Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus, SC430, GS300, GS430, and GS400
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK620336 suspension control arm and ball joint assembly is engineered for Lexus GS300, GS400, GS430, and SC430 models. Designed with durability and precision in mind, this assembly ensures reliable suspension performance and improved vehicle handling.

  • Pre-greased for immediate installation and smooth operation
  • Includes rubber bushings for effective vibration dampening
  • Forged steel control arm construction for enhanced strength
  • Press-in ball joint with threaded stud for secure mounting
  • Mounting hardware included for a complete replacement solution
  • Black finish control arm with a maximum length of 12.510 inches

Durable Construction and Design Features

The RK620336 control arm assembly features a forged steel control arm that provides robust structural integrity, essential for maintaining proper suspension geometry on Lexus GS and SC models. The included rubber bushings help absorb road shocks 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. This assembly comes pre-greased, eliminating the need for additional lubrication during installation, and includes all necessary mounting hardware for a straightforward replacement process.

Compatible Lexus Models and Applications

This Moog suspension control arm and ball joint assembly is specifically compatible with the following Lexus vehicles: GS300, GS400, GS430, and SC430. It is designed to restore suspension performance and handling characteristics that may be compromised due to worn or damaged components.

  • Corrects suspension misalignment and uneven tire wear
  • Eliminates clunking or knocking noises from the front suspension
  • Improves steering stability and response
  • Addresses excessive vibration or harshness during driving
  • Restores proper control arm positioning and ball joint function

Installation Notes and Tips

Installation of the Moog RK620336 assembly requires basic suspension knowledge and tools. Since the part is pre-greased and includes mounting hardware, it simplifies the replacement process. It is recommended to inspect related suspension components during installation and perform a wheel alignment afterward to ensure optimal handling and tire wear.

Quality Assurance and Warranty

Moog is recognized for manufacturing suspension components that meet or exceed OEM specifications. The RK620336 control arm and ball joint assembly undergoes rigorous testing to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term reliability.

BrandMoog
Part NumberRK620336
AdjustableNo
Ball Joint Mounting TypePress In
Ball Joint Stud TypeThreaded
Bushing MaterialRubber
Bushings IncludedYes
Control Arm ColorBlack
Control Arm MaterialForged Steel
Control Arm Maximum Length12.510
Grease Fitting IncludedNo
Mounting Hardware IncludedYes
Pre-GreasedYes

This part fits 25 vehicles. Search below:

YearMakeModelPositionNotes
2010LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2009LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2008LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2007LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2006LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2005LexusGS300Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2005LexusGS430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2005LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2004LexusGS300Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2004LexusGS430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2004LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2003LexusGS300Front Left UpperExcept Special Edition; Premium OE Replacement
2003LexusGS430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2003LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2002LexusGS300Front Left UpperExcept Special Edition; Premium OE Replacement
2002LexusGS430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2002LexusSC430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2001LexusGS300Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2001LexusGS430Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2000LexusGS300Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2000LexusGS400Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
1999LexusGS300Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
1999LexusGS400Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
1998LexusGS300Front Left UpperSuspension Control Arm and Ball Joint Assembly meets OEM standards.
1998LexusGS400Front Left UpperSuspension 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:

101-5782260-581345D12044863039055502-1199520-457622.44049CB64007CMS86105FA4923MS86105

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