Dorman 521-053 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper Rearward

Dorman 521-053 Rear Left Upper Rearward Control Arm

Dorman 521-053 is a direct replacement suspension control arm and ball joint assembly for specific Hyundai and Kia applications. It is built to restore smooth ride quality, directional stability, and predictable handling on the rear left upper rearward position.

Compatible with 2009-2014 Hyundai Genesis, 2011-2016 Hyundai Equus, and 2015-2017 Kia K900, this OE-style assembly is pre-greased and includes the ball joint already installed. The steel casting/forged construction, rubber bushings, and included mounting hardware support a straightforward repair on the rear suspension.

• Direct replacement for the original equipment control arm and ball joint assembly
• Pre-greased with the ball joint installed
• Steel control arm with rubber bushings
• Pressed attachment type with threaded ball joint stud
• Mounting hardware included
• Black finish
• Part number: 521-053

Detailed Product Overview

This suspension control arm and ball joint assembly is engineered for the rear left upper rearward location on select Hyundai Genesis, Hyundai Equus, and Kia K900 models. Dorman’s evaluation process focuses on fit, function, and suspension behavior so the replacement helps maintain the vehicle’s original ride characteristics. The assembly includes the ball joint and bushings, and the steel construction is paired with rubber bushing material for everyday road use. If you are searching for a rear left upper rearward control arm for a 2009-2014 Hyundai Genesis or a 2011-2016 Hyundai Equus, Dorman 521-053 is a direct-fit service part to consider.

This part cross-references Delphi TC7429 and Mevotech Supreme CMS90191 for the same application. The Dorman 521-053 part number is also commonly referenced when sourcing a replacement lateral link for these rear suspension applications.

What It Helps Address

• Rear suspension looseness or instability
• Uneven handling or directional drift
• Worn ball joint noise or play
• Cracked or deteriorated control arm bushings
• Restoration of OE-style rear suspension geometry

Installation Notes and Tips

Verify the rear left upper rearward position before installation and compare the original part to Dorman 521-053 for mounting style, stud type, and dimensions. Because the ball joint is already installed and the assembly is pre-greased, no separate ball joint assembly step is required. Always inspect adjacent suspension components, alignment settings, and fasteners during service to confirm the repair is complete.

Quality Assurance

Dorman uses an industry-focused evaluation process to help ensure proper fit and consistent suspension performance on the specified Hyundai and Kia applications. This replacement is built to support smooth ride quality, directional stability, and predictable dynamics in the rear suspension.