HomeSuspension > Suspension, Springs and Related ComponentsMoog RK643744 Suspension Control Arm - Rear Left Lower Rearward
Part #: RK643744

Moog RK643744 Suspension Control Arm - Rear Left Lower Rearward

Rear Left Lower Rearward
20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$108.28Free 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.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus and Toyota, NX200t, NX300, NX300h, and RAV4
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Moog RK643744 Rear Left Lower Rearward Control Arm

Moog RK643744 is a premium suspension control arm built for the rear left lower rearward position on select Lexus and Toyota applications. It is engineered for structural strength and corrosion protection, making it a direct replacement choice for restoring rear suspension geometry and handling response.

Key Features

  • Premium-grade suspension control arm for rear left lower rearward placement
  • Engineered for structural strength in demanding daily-driving conditions
  • Corrosion-resistant construction for long-term durability
  • Direct-fit replacement for select Lexus NX300, Lexus NX300h, Lexus NX200t, and Toyota RAV4 applications
  • Moog RK643744 is built for foreign and domestic nameplates

Detailed Description

This Moog control arm is made for vehicles that need precise rear suspension location and stable alignment control. It fits 2013-2018 Toyota RAV4, rear left lower rearward; 2015-2017 Lexus NX200t, rear left lower rearward; 2015-2021 Lexus NX300h, rear left lower rearward; and 2018-2021 Lexus NX300, rear left lower rearward. The RK643744 part number is a practical OE-style replacement for drivers addressing wear in the rear suspension on Lexus NX and Toyota RAV4 platforms.

This part cross-references Dorman - OE Solutions 524-007 and Mevotech Supreme CMS861182 for the same application.

What It Helps Address

  • Rear suspension looseness or instability
  • Alignment issues related to worn control arm bushings or structure
  • Uneven tire wear caused by rear suspension wear
  • Noises from the rear suspension area during driving
  • Loss of consistent handling response in the rear of the vehicle

Installation Notes and Tips

Verify the rear left lower rearward position before ordering and match the vehicle year, make, and model to the fitment list. After installation, a professional wheel alignment is recommended to confirm rear suspension geometry is set correctly. Compare the original arm and mounting points to ensure the replacement matches the application.

Quality Assurance

Moog premium control arms are engineered with structural strength and corrosion protection in mind for foreign and domestic nameplates. RK643744 is a premium-grade suspension component built to meet the demands of replacement service on Lexus and Toyota rear suspension systems.

BrandMoog
Part NumberRK643744
Grade TypePremium

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2021LexusNX300Rear Left Lower Rearward
2021LexusNX300hRear Left Lower Rearward
2020LexusNX300Rear Left Lower Rearward
2020LexusNX300hRear Left Lower Rearward
2019LexusNX300Rear Left Lower Rearward
2019LexusNX300hRear Left Lower Rearward
2018LexusNX300Rear Left Lower Rearward
2018LexusNX300hRear Left Lower Rearward
2018ToyotaRAV4Rear Left Lower Rearward
2017LexusNX200tRear Left Lower Rearward
2017LexusNX300hRear Left Lower Rearward
2017ToyotaRAV4Rear Left Lower Rearward
2016LexusNX200tRear Left Lower Rearward
2016LexusNX300hRear Left Lower Rearward
2016ToyotaRAV4Rear Left Lower Rearward
2015LexusNX200tRear Left Lower Rearward
2015LexusNX300hRear Left Lower Rearward
2015ToyotaRAV4Rear Left Lower Rearward
2014ToyotaRAV4Rear Left Lower Rearward
2013ToyotaRAV4Rear Left Lower Rearward

* 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:

487400R020487400R030487400R0404874042010524-007524007CA74623CA74623PRCMS861182

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