Dorman 539-897 Suspension Ball Joint - Front Lower

Dorman 539-897 Front Lower Ball Joint

Dorman 539-897 is a threaded, press-in suspension ball joint engineered as a standard replacement for the original equipment part on select Subaru applications. It is built from steel with a rubber dust boot and is designed for front lower suspension service on Subaru Ascent, Subaru Tribeca, and Subaru B9 Tribeca models.

• Precision-engineered replacement ball joint for front lower suspension use
• Steel construction with grey finish
• Threaded design with tapered stud
• Rubber dust boot included
• Standard suspension grade replacement
• No grease fitting, cotter pin, castle nut, bushings, or mounting hardware included
• Wrench size: 12 mm

Fitment Details

• Fits 2019-2023 Subaru Ascent, front lower
• Fits 2008-2014 Subaru Tribeca, front lower
• Fits 2006-2007 Subaru B9 Tribeca, front lower

Why This Ball Joint Matters

This suspension ball joint helps restore the connection between the control arm and steering knuckle on vehicles with worn front lower joints. On Subaru Ascent, Subaru Tribeca, and Subaru B9 Tribeca applications, Dorman 539-897 addresses looseness, noise, and alignment-related wear at the front suspension pivot point. Part number 539-897 also cross-references MOOG Chassis Products K500200 for the same application.

• Front-end clunking or popping from worn ball joint movement
• Excessive play in the lower suspension joint
• Uneven tire wear related to suspension looseness
• Steering wander or reduced directional stability
• Failed inspection due to worn front lower suspension components

Installation Notes

This is a press-in, threaded ball joint, so proper removal and installation tools are required. Verify the stud taper, wrench size, and front lower position before installation. Because no grease fitting is included, this is a sealed-style service part that does not require routine greasing. Confirm vehicle-specific fitment for the exact Subaru Ascent, Tribeca, or B9 Tribeca model year before service. Part number 539-897 should be matched to the original application and suspension layout during replacement.

Quality Assurance

Dorman states this ball joint is precision-engineered and rigorously tested to provide a reliable OE-style replacement for specific vehicles. The design and materials are selected to meet standard suspension replacement needs for the listed Subaru applications.