HomeSuspension > Suspension, Springs and Related ComponentsMoog RK642638 Suspension Control Arm - Front Left Lower Forward
Part #: RK642638

Moog RK642638 Suspension Control Arm - Front Left Lower Forward

Front Left Lower Forward
11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, X3 and X4
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Moog RK642638 Front Left Lower Forward Control Arm

Moog RK642638 is a premium suspension control arm for select BMW X3 and BMW X4 applications. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for the front left lower forward position.

Key Features

  • Premium-grade suspension control arm for front suspension service
  • Built for structural strength and corrosion resistance
  • Direct replacement for the front left lower forward position
  • Fits 2011-2017 BMW X3, front left lower forward
  • Fits 2015-2018 BMW X4, front left lower forward
  • Moog RK642638 for BMW X3 and BMW X4 front suspension repair

Detailed Description

This Moog control arm is made for BMW X3 and BMW X4 models that need a front left lower forward suspension replacement. The premium construction supports consistent suspension geometry and helps restore proper front-end control after wear in the original arm. If you are searching for a BMW X3 front left lower forward control arm or a BMW X4 front left lower forward suspension arm, RK642638 is the correct OE-style service part for the listed applications. This part cross-references Delphi TC3232 for the same application.

What It Helps Fix

  • Front-end looseness or wandering caused by a worn control arm
  • Clunking or knocking from the front suspension
  • Uneven tire wear related to suspension wear
  • Steering pull or reduced directional stability
  • Excess play in the front left lower forward suspension point

Installation Notes and Tips

Verify vehicle year, model, and front left lower forward position before installation. After replacing a suspension control arm, perform a professional wheel alignment to confirm suspension angles and steering response. Inspect related bushings, ball joints, and mounting points for wear during service.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. RK642638 is a premium-grade replacement part built for the listed BMW X3 and BMW X4 applications.

BrandMoog
Part NumberRK642638
Grade TypePremium

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2018BMWX4Front Left Lower Forward
2017BMWX3Front Left Lower Forward
2017BMWX4Front Left Lower Forward
2016BMWX3Front Left Lower Forward
2016BMWX4Front Left Lower Forward
2015BMWX3Front Left Lower Forward
2015BMWX4Front Left Lower Forward
2014BMWX3Front Left Lower Forward
2013BMWX3Front Left Lower Forward
2012BMWX3Front Left Lower Forward
2011BMWX3Front Left Lower Forward

* 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:

31106787673522-889CA14493CA14493PRCMS101252TC3232

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