Dorman 539-900 Suspension Ball Joint - Front Lower

Dorman 539-900 Front Lower Ball Joint

Dorman 539-900 is a bolt-on suspension ball joint engineered as a direct replacement for the original equipment on select vehicles. It is built from steel with a black finish and includes a dust boot, castle nut, cotter pin, cotter pin hole, washers, and mounting hardware for a complete front suspension service on the 2017-2023 Subaru Impreza, front lower.

Key Features

• Fits 2017-2023 Subaru Impreza, front lower
• Steel construction with black finish
• Bolt-on design with 3 mounting holes
• Includes dust boot, castle nut, cotter pin, washers, and mounting hardware
• Standard replacement suspension grade
• Non-greaseable design with tapered stud
• Part number 539-900 for easy identification

Detailed Description

This suspension ball joint is precision-engineered and tested to replace the OE part on the 2017-2023 Subaru Impreza, front lower. The tapered stud, 12 mm wrench size, and bolt-on mounting style support a secure installation in the front suspension assembly. Dorman 539-900 is also a direct cross-reference for Mevotech Supreme MS80508 and MOOG Chassis Products K500426 for the same application.

For shoppers searching for a Subaru Impreza front lower ball joint replacement, Dorman 539-900 provides the correct fitment and hardware details needed for a focused repair. The steel body, dust boot, and included cotter-pin retention features help restore proper steering and suspension connection at the lower control arm.

Common Problems This Part Can Address

• Excessive front-end play or looseness
• Clunking or knocking from the lower suspension area
• Uneven tire wear related to worn ball joint movement
• Steering instability or wandering at the front axle
• Failed inspection due to worn suspension joint components

Installation Notes and Tips

Verify the vehicle is a 2017-2023 Subaru Impreza with front lower application before installation. Inspect the mounting points, fasteners, and surrounding suspension components for wear or damage before bolting in the new joint. Confirm the tapered stud seats correctly and use the cotter pin hole as intended during final assembly.

Quality Assurance

Dorman designs this replacement ball joint for OE-style fit and function on the specified Subaru Impreza application. The part is precision-engineered and rigorously tested to support reliable suspension service on the front lower position.