Dorman 527-161 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Dorman 527-161 Rear Left Upper Control Arm

Dorman 527-161 is a direct replacement suspension control arm and ball joint assembly for specific Subaru applications. It is built to restore smooth ride quality, directional stability, and predictable handling on the rear left upper suspension position.

Key Features

• Direct replacement for the original equipment control arm and ball joint assembly
• Fits 2016-2025 Subaru Crosstrek, rear left upper
• Fits 2014-2025 Subaru Forester, rear left upper
• Fits 2018-2022 Subaru XV, rear left upper
• Fits 2013-2016 Subaru XV, rear left upper
• Fits 2013-2015 Subaru XV Crosstrek, rear left upper
• Forged control arm construction with cast iron material
• Pre-greased design with bushings and dust boot included
• Press-in ball joint with pinch-style stud type
• Painted finish and black bushings
• Standard replacement grade for OE-style service

Detailed Description

This Dorman suspension control arm and ball joint assembly is engineered for Subaru Crosstrek, Subaru Forester, Subaru XV, and Subaru XV Crosstrek rear left upper applications. Part number 527-161 is designed as an OE-style replacement for the original assembly, with a forged control arm, cast iron construction, and a pre-greased ball joint setup to support consistent suspension movement. The assembly includes bushings, a dust boot, mounting hardware, and a locking nut, and it uses a clockwise right-hand thread direction.

This part cross-references Delphi TC4527 and MOOG Chassis Products RK623524 for the same application. For buyers searching for a rear left upper control arm for Subaru Crosstrek or a rear left upper control arm for Subaru Forester, Dorman 527-161 provides a direct-fit service part for the listed model years.

What It Helps Address

• Excessive rear suspension play from a worn control arm assembly
• Noisy or loose rear left upper suspension movement
• Uneven handling or reduced directional stability
• Ball joint wear at the rear upper suspension position
• Ride quality changes caused by deteriorated bushings

Installation Notes and Tips

Verify vehicle year, model, and rear left upper position before installation. This assembly uses a press-in ball joint and pinch-style stud type, so proper suspension service procedures and alignment equipment are recommended after replacement. Confirm thread direction and mounting points during installation, and inspect adjacent suspension components for wear while the assembly is apart.

Quality Assurance

Dorman states that this assembly goes through an industry-leading evaluation process to help deliver smooth ride characteristics, directional stability, and predictable suspension dynamics. Part number 527-161 is a standard replacement component built for direct OE-style service on the listed Subaru applications.