Moog RK643341 Suspension Control Arm - Rear Left Lower

Brand Moog RK643341
Position Rear Left Lower
Grade Type Premium
Fits Hyundai and Kia · 6 vehicles

Premium grade. MOOG control arm engineered for structural strength and corrosion protection.

Suspension control arm. A core suspension component for precise wheel control and stability.

Cross-references Dorman - OE Solutions 524-061, Dorman - OE Solutions 526-375 and Mevotech Supreme CMS901121 for the same application. See all 4.

$112.24Free shipping
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Moog RK643341 Rear Left Lower Control Arm

The Moog RK643341 is a premium suspension control arm built for foreign and domestic nameplates. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for the rear left lower position on select Hyundai Sonata and Kia Optima models.

Key Features

  • Premium-grade suspension control arm for rear left lower placement
  • Engineered for structural strength to support suspension geometry
  • Corrosion-protected construction for long-term durability
  • Direct replacement for select Hyundai Sonata and Kia Optima applications
  • Moog RK643341 fitment for 2015-2018 Hyundai Sonata and 2016-2017 Kia Optima

Detailed Description

Moog RK643341 is a premium suspension control arm for the rear left lower position on 2015-2018 Hyundai Sonata and 2016-2017 Kia Optima models. This part is built to restore proper rear suspension location and alignment characteristics when the original arm is worn, bent, or corroded. This part cross-references Dorman - OE Solutions (e.g., 524-061, 526-375) for the same application.

As a replacement control arm, it supports the rear suspension assembly where precise geometry matters for tire wear, handling response, and stable road feel. The Moog RK643341 part number is also useful when searching for a rear left lower control arm for Hyundai Sonata or Kia Optima applications.

What It Is Used For

  • Rear suspension looseness or clunking from a worn control arm
  • Uneven tire wear caused by rear alignment issues
  • Steering or handling instability related to rear suspension movement
  • Corrosion damage on the original rear left lower arm
  • Replacement after impact-related bending or deformation

Installation Notes and Tips

Verify vehicle year, make, model, and rear left lower position before installation. After replacement, a professional wheel alignment is recommended to confirm rear suspension geometry. Compare the original arm and mounting points to ensure the correct application for your Hyundai Sonata or Kia Optima.

Quality Assurance

Moog manufactures this premium control arm with attention to structural strength and corrosion protection. The RK643341 is intended as a quality replacement part for select Hyundai Sonata and Kia Optima rear suspension applications.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelFuel TypePositionNotes
2018HyundaiSonataRear Left Lower
2017HyundaiSonataRear Left Lower
2017KiaOptimaRear Left Lower
2016HyundaiSonataRear Left Lower
2016KiaOptimaGASRear Left Lower
2015HyundaiSonataGASRear Left Lower
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 524-061Dorman - OE Solutions — 526-375Mevotech Supreme — CMS90112155210C2100