Dorman 521-157 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Dorman 521-157 Front Left Lower Control Arm

Dorman 521-157 is a direct replacement suspension control arm and ball joint assembly for specific vehicle applications, including the 2010-2017 Volvo XC60 front left lower position. Built with a steel control arm, pre-greased ball joint, and rubber bushings, it is engineered to restore stable handling and consistent suspension movement.

Key Features

• Direct replacement for the original equipment design
• Fits 2010-2017 Volvo XC60, front left lower
• Steel control arm with casting/forged construction
• Ball joint is installed and pre-greased
• Rubber bushings included for suspension isolation
• Mounting hardware included
• Black finish for OE-style appearance
• Part number 521-157 for easy identification

Detailed Description

This suspension control arm and ball joint assembly is built for the front left lower suspension position on the Volvo XC60. Dorman 521-157 uses a bolt-in ball joint mounting style with a pinch-type stud, and the assembly includes the ball joint already installed for a straightforward replacement. The steel arm, rubber bushings, and pre-greased joint are selected to support smooth ride quality, directional stability, and predictable suspension response. This part cross-references MOOG Chassis Products RK621743 for the same application.

What It Helps Fix

• Clunking or knocking from the front suspension
• Loose or imprecise steering feel
• Uneven tire wear related to worn suspension joints
• Excessive play in the lower control arm assembly
• Ride instability over bumps and road imperfections

Installation Notes and Tips

Fits 2010-2017 Volvo XC60, front left lower. Confirm the mounting hole diameter, ball joint style, and suspension position before installation. Because the ball joint is already installed, replacement focuses on removing the worn assembly and transferring the suspension connection at the correct OE-style location. Always verify alignment after installation on the Volvo XC60, and inspect adjacent suspension components for wear while the area is apart.

Quality Assurance

Dorman uses an industry-focused evaluation process for this control arm and ball joint assembly to help ensure proper fit, smooth suspension action, and stable handling characteristics. Part number 521-157 is built as a direct replacement solution for the specified Volvo XC60 applications.