Moog RK643594 Suspension Control Arm - Rear Lower Rearward

Premium Rear Lower Rearward Control Arm

Moog RK643594 is a premium suspension control arm for rear lower rearward applications on select Chevrolet, Buick, and Saab vehicles. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for worn rear suspension components on models such as the Chevrolet Impala, Buick Regal, and Buick LaCrosse.

Key Features

• Premium-grade suspension control arm for rear lower rearward placement
• Built for structural strength in demanding rear suspension service
• Corrosion protection helps support long-term durability
• Direct replacement for select GM and Saab applications
• Moog RK643594 cross-references Dorman OE Solutions 524-091 and Mevotech Supreme CMS501166 for the same application

Detailed Description

Moog RK643594 is a premium suspension control arm designed for rear lower rearward use on 2014-2020 Chevrolet Impala, 2011-2017 Buick Regal, 2010-2016 Buick LaCrosse, 2016 Chevrolet Malibu Limited, 2013-2015 Chevrolet Malibu, 2010-2011 Saab 9-5, and 2010 Buick Allure. This part number is built to restore rear suspension geometry and provide a precise replacement option for vehicles that need a new control arm in the rear lower rearward position. If you are searching for a rear lower rearward control arm for Chevrolet Impala or Buick LaCrosse applications, RK643594 is the correct fitment reference to verify.

What It Helps Address

• Rear suspension looseness or instability
• Clunking or knocking from the rear suspension area
• Uneven tire wear related to worn suspension geometry
• Excessive play from a damaged control arm
• Corrosion-related replacement needs on the rear suspension

Installation Notes and Tips

Confirm the vehicle’s year, make, model, and rear lower rearward position before ordering. This part fits the listed applications only, including Chevrolet Impala, Buick Regal, Buick LaCrosse, Chevrolet Malibu, Chevrolet Malibu Limited, Saab 9-5, and Buick Allure. After installation, a rear suspension inspection and alignment check are recommended to verify proper geometry.

Quality Assurance

Moog manufactures premium control arms for foreign and domestic nameplates with an emphasis on structural strength and corrosion protection. RK643594 is a premium-grade replacement part built to meet the demands of everyday suspension service.