Dorman 539-879 Suspension Ball Joint - Front Lower

Dorman 539-879 Suspension Ball Joint

Dorman 539-879 is a threaded suspension ball joint built as a standard replacement for the original equipment part on specific vehicles. It is precision-engineered and tested for dependable steering and suspension service, with a metal body, tapered stud, dust boot, and greaseable design.

Key Features

• Threaded, bolt-in suspension ball joint for OE-style replacement
• Metal construction with grey finish
• Dust boot included with polychloroprene boot material
• Greaseable design with no grease fitting included
• Castle nut, cotter pin hole, and mounting hardware included
• Tapered stud with 12 mm wrench size
• Standard suspension grade replacement

Detailed Description

This Dorman suspension ball joint, part number 539-879, is engineered for direct replacement use where the original joint has worn, loosened, or developed excess play. The threaded, bolt-in mounting style and four mounting holes support a secure installation, while the tapered stud and cotter pin hole help maintain proper fastening at the steering knuckle connection. For shoppers searching for a suspension ball joint for Honda Civic or Acura Integra applications, 539-879 provides an OE-style service part built around the listed dimensions and hardware configuration. This part cross-references Honda 40160H1000 and K9023 for the same application.

Common Problems This Part Can Address

• Front-end clunking or knocking from a worn ball joint
• Excess steering looseness or wandering
• Uneven tire wear related to suspension joint play
• Inspection failure caused by excessive joint movement
• Restoring proper suspension articulation after OE wear

Installation Notes and Tips

Verify vehicle application by year, make, model, and position before installation. Inspect the mating control arm, knuckle, and fasteners for wear or damage, and confirm the tapered stud seats correctly before final tightening. Because this part uses a threaded, bolt-in design, alignment should be checked after installation to confirm suspension geometry is within specification.

Quality Assurance

Dorman states that this suspension ball joint is precision-engineered and rigorously tested to provide reliable replacement performance for the original equipment on specific vehicles. The part number is 539-879.