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Moog RK643571 Suspension Control Arm - Rear Left Upper ForwardOE Quality 60-Day Returns
Part #: RK643571

Moog RK643571 Suspension Control Arm - Rear Left Upper Forward

Rear Left Upper Forward
7 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: Buick and Chevrolet, Malibu and Regal Sportback
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Premium Rear Left Upper Forward Control Arm

Moog RK643571 is a premium suspension control arm for the rear left upper forward position. It is engineered for structural strength and corrosion protection, making it a direct-fit service part for select Buick Regal Sportback and Chevrolet Malibu applications.

Key Features

  • Premium-grade suspension control arm for rear suspension service
  • Built for structural strength to support stable suspension geometry
  • Corrosion protection helps the part hold up in harsh road conditions
  • Fits 2018-2020 Buick Regal Sportback, rear left upper forward
  • Fits 2016-2019 Chevrolet Malibu, rear left upper forward
  • Part number RK643571 for accurate ordering and catalog matching

Detailed Description

Moog RK643571 is a premium control arm made for the rear left upper forward position on select Buick Regal Sportback and Chevrolet Malibu models. This suspension control arm is built to restore rear suspension alignment and maintain consistent wheel location under normal driving loads. This part cross-references Delphi TC8190 for the same application. The RK643571 part number is also commonly used when searching for a rear left upper forward control arm for 2018-2020 Buick Regal Sportback and 2016-2019 Chevrolet Malibu.

What It Helps Address

  • Rear suspension looseness or instability
  • Uneven tire wear caused by worn suspension geometry
  • Noises from a worn upper control arm assembly
  • Alignment issues after suspension wear
  • Handling changes from degraded rear suspension components

Installation Notes and Tips

Verify vehicle year, make, model, and rear left upper forward position before ordering. This part is listed for 2018-2020 Buick Regal Sportback and 2016-2019 Chevrolet Malibu applications. After installation, a professional wheel alignment is recommended to confirm rear suspension geometry is set correctly.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection. The premium grade construction supports dependable service in suspension repair work and replacement maintenance.

BrandMoog
Part NumberRK643571
Grade TypePremium

This part fits 7 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2020BuickRegal SportbackFWDRear Left Upper Forward
2019BuickRegal SportbackFWDRear Left Upper Forward
2019ChevroletMalibuRear Left Upper Forward
2018BuickRegal SportbackFWDRear Left Upper Forward
2018ChevroletMalibuRear Left Upper Forward
2017ChevroletMalibuRear Left Upper Forward
2016ChevroletMalibuRear Left Upper 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:

23349953527-18384309091CMS501264TC8190

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

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