Dorman 539-821 Suspension Ball Joint - Front Lower

Dorman 539-821 Front Lower Ball Joint

Dorman 539-821 is a threaded suspension ball joint engineered as a direct replacement for the original equipment on select vehicles. It is built for the 2007-2009 Kia Sorento front lower position and is designed to restore proper suspension articulation and steering response.

Key Features

• Direct replacement suspension ball joint for select Kia Sorento models
• Fits 2007-2009 Kia Sorento, front lower
• Threaded stud design with bolt-in mounting type
• Steel construction with grey finish
• Dust boot included with polychloroprene material
• Castle nut and mounting hardware included
• Cotter pin hole provided for secure installation
• Standard replacement grade for OE-style service

Detailed Description

This Dorman suspension ball joint, part number 539-821, is precision-engineered and tested for reliable OE-style replacement on the 2007-2009 Kia Sorento front lower suspension. The steel body, threaded stud, and bolt-in mounting design support a secure connection at the control arm, while the included dust boot helps protect the joint from road contamination. This part cross-references MOOG Chassis Products K500032 for the same application.

For buyers searching for a front lower ball joint for Kia Sorento 2007 2008 2009, Dorman 539-821 provides a direct-fit service part for suspension repair work where worn joint movement, looseness, or steering noise has developed.

What It Helps Repair

• Front suspension looseness or play
• Clunking or knocking from the lower suspension area
• Uneven steering feel caused by worn ball joint movement
• Excessive tire wear related to suspension joint wear
• Restoration of proper front lower suspension geometry

Installation Notes and Tips

Verify vehicle fitment before installation: Fits 2007-2009 Kia Sorento, front lower. Confirm the threaded stud, mounting hole layout, and wrench size match the original part before assembly. Inspect the surrounding control arm and fasteners for wear or damage, and replace any compromised components during service. Because this is a bolt-in style suspension ball joint, proper torque and alignment procedures are important after installation.

Quality Assurance

Dorman manufactures this replacement ball joint as a tested service part for specific OE applications. Part number 539-821 is built to meet standard replacement expectations for fit and function on the listed Kia Sorento applications.