Dorman 524-773 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Dorman 524-773 Rear Left Upper Control Arm

Dorman 524-773 is a direct replacement suspension control arm and ball joint assembly for specific Subaru, Toyota, and Scion applications. It is built for the rear left upper position and is engineered to restore smooth ride quality, directional stability, and predictable suspension movement.

Key Features

• Direct replacement for the original equipment control arm and ball joint assembly
• Fits rear left upper suspension locations on select Subaru BRZ, WRX, Impreza, WRX STI, Toyota GR86, Toyota 86, and Scion FR-S models
• Pre-greased for immediate service
• Ball joint is installed and included
• Steel control arm construction with rubber bushings
• Machined ball joint mounting with pinch-style stud
• Black finish and light suspension grade type
• No grease fitting included and no mounting hardware included

Detailed Description

This Dorman suspension control arm assembly is built as an OE-style replacement for the rear left upper position. The steel casting/forged arm, rubber bushings, and installed ball joint are selected to match the original suspension layout on applications such as the Subaru BRZ, Subaru WRX, Toyota GR86, and Toyota 86. Dorman 524-773 is evaluated to support consistent suspension response, helping maintain alignment stability and controlled handling characteristics after worn components are replaced.

This part cross-references Delphi TC7643 and Mevotech Supreme CMS801180 for the same application.

What It Helps Address

• Clunking or looseness from a worn rear upper control arm
• Uneven rear suspension movement caused by deteriorated bushings
• Ball joint play that can affect directional stability
• Alignment drift after suspension wear
• Handling inconsistency in the rear left upper suspension corner

Installation Notes and Tips

• Fits 2013-2020 Subaru BRZ, rear left upper.
• Fits 2022-2025 Subaru BRZ, rear left upper.
• Fits 2012-2014 Subaru WRX, rear left upper.
• Fits 2013-2014 Subaru WRX STI, rear left upper.
• Fits 2008-2014 Subaru Impreza, rear left upper.
• Fits 2022-2025 Subaru WRX, rear left upper, w/Steel Arms.
• Fits 2013-2016 Scion FR-S, rear left upper.
• Fits 2017-2020 Toyota 86, rear left upper.
• Fits 2022-2025 Toyota GR86, rear left upper.
• Confirm rear left upper application and suspension arm style before installation.
• Because mounting hardware is not included, reuse or source the correct hardware as needed.
• After installation, perform a professional alignment to verify suspension geometry.

Quality Assurance

Dorman designs this replacement control arm and ball joint assembly for specific vehicle applications and uses an industry-leading evaluation process to help support fit, ride quality, and suspension performance. For buyers searching for a rear left upper control arm for Subaru BRZ, WRX, GR86, or Toyota 86 applications, Dorman 524-773 provides a direct replacement solution built around OE-style dimensions and materials.