Dorman 528-020 Suspension Trailing Arm - Rear Right Lower Forward

Dorman 528-020 Trailing Arm for Subaru Rear Suspension

Dorman 528-020 is a steel suspension trailing arm built as a direct replacement for the original rear suspension component. It is engineered for secure performance and evaluated for predictable handling and a smooth ride on the rear right lower forward position.

Key Features

• Direct replacement trailing arm for rear suspension service
• Steel construction with a coated finish for durability
• Black rubber and steel bushings included
• Bracket end and press-in bushing attachment design
• Standard replacement grade for OE-style fit and function
• Fits 2015-2019 Subaru Legacy, rear right lower forward
• Fits 2015-2019 Subaru Outback, rear right lower forward

Detailed Description

This Dorman trailing arm, part number 528-020, is designed for the rear right lower forward suspension position on 2015-2019 Subaru Legacy and 2015-2019 Subaru Outback models. Built from steel with a coated finish, it uses rubber and steel bushing materials to help maintain suspension geometry and consistent rear-wheel control. The boxed control arm design and standard replacement grade make it a practical OE-style solution for restoring factory suspension behavior. This part cross-references MOOG Chassis Products RK643553 for the same application.

What It Helps Fix

• Rear suspension looseness or instability
• Clunking or knocking from worn trailing arm bushings
• Uneven rear tire wear caused by suspension movement
• Imprecise handling in the rear suspension
• Damage from corrosion or fatigue in the original arm

Installation Notes and Tips

Confirm the rear right lower forward position before installation on your Subaru Legacy or Subaru Outback. This trailing arm uses a press-in attachment style and does not include mounting hardware, so inspect related fasteners and bushings during service. Verify mounting hole diameter and suspension orientation against the original part before final assembly.

Quality Assurance

Dorman designs this trailing arm as a direct replacement and subjects it to rigorous evaluation for secure performance, smooth ride quality, and predictable handling. The part number 528-020 is built to meet standard replacement expectations for rear suspension repair.