Dorman 539-870 Suspension Ball Joint - Front Lower

Dorman 539-870 Front Lower Ball Joint

Dorman 539-870 is a threaded suspension ball joint built as a standard replacement for the original equipment design. It is precision-engineered and tested for reliable service on the specified vehicle application, including 1997-2004 Mitsubishi Diamante front lower suspension positions.

Key Features

• Direct replacement suspension ball joint for OE-style service
• Threaded design with tapered stud for secure suspension connection
• Steel construction with grey finish
• Rubber dust boot included to help protect the joint
• Standard suspension grade replacement for front lower use
• Mounting hardware included
• Wrench size: 12 mm

Detailed Description

This Dorman suspension ball joint, part number 539-870, is designed for the front lower position on 1997-2004 Mitsubishi Diamante models. It uses a press-in mounting type with a threaded body and tapered stud, matching the service requirements of the original suspension layout. The steel housing and rubber dust boot support everyday road use while helping protect the joint from contamination.

For buyers searching for a Mitsubishi Diamante front lower ball joint replacement, Dorman 539-870 offers a straightforward OE-style solution. This part cross-references MOOG Chassis Products K500086 for the same application.

What It Helps Fix

• Excessive front suspension play or looseness
• Clunking or knocking from the front lower suspension
• Uneven tire wear related to worn ball joint movement
• Steering instability caused by worn suspension joints
• Inspection failure from a damaged or worn front lower ball joint

Installation Notes and Tips

Fits 1997-2004 Mitsubishi Diamante, front lower. Confirm the press-in mounting style, threaded body dimensions, and tapered stud specification before installation. The part number 539-870 is intended for the listed application only, so verify vehicle year and suspension position against the original component before service.

Quality Assurance

Dorman states that this ball joint is precision-engineered and rigorously tested to provide a reliable replacement for the original equipment on specific vehicles. The design focuses on fit, function, and durability for the listed Mitsubishi Diamante application.