Dorman 539-828 Suspension Ball Joint - Front Upper

Dorman 539-828 Front Upper Ball Joint

Dorman 539-828 is a press-in suspension ball joint engineered as a standard replacement for the original equipment on select Lexus and Toyota SUVs. It is built from steel with a black dust boot and includes the castle nut, cotter pin, cotter pin hole, and mounting hardware specified in the product data.

Key Features

• Fits 1998-2007 Lexus LX470, front upper
• Fits 1998-2007 Toyota Land Cruiser, front upper
• Steel construction with a tapered stud design
• Press-in mounting type for OE-style suspension service
• Dust boot included with polychloroprene material
• Castle nut, cotter pin, cotter pin hole, and mounting hardware included
• Standard suspension grade replacement, not adjustable and not greaseable
• Part number 539-828 for catalog and service reference

This suspension ball joint is precision-engineered and tested to replace the original upper front joint on the Lexus LX470 and Toyota Land Cruiser. The tapered stud, press-in design, and included dust boot support proper suspension connection at the front upper position, while the steel body helps maintain consistent fit and function in service. Part number 539-828 is also cross-referenced to Delphi TC5665 for the same application.

Common Repair Symptoms

• Front suspension looseness or play
• Clunking or knocking from the upper control arm area
• Uneven tire wear related to worn suspension joints
• Steering wander or reduced front-end stability
• Visible dust boot damage at the upper ball joint

Installation Notes

Fits 1998-2007 Lexus LX470, front upper, and fits 1998-2007 Toyota Land Cruiser, front upper. This is a press-in suspension ball joint, so proper removal and installation tools are required for service. Verify the tapered stud orientation, torque the castle nut to specification, and install the cotter pin through the provided hole after final tightening. Confirm suspension alignment after replacement.

Quality Assurance

Dorman designs this replacement ball joint for specific vehicle applications and subjects it to testing to support reliable OE-style service on the Lexus LX470 and Toyota Land Cruiser. Part number 539-828 is built to match the intended front upper suspension location and service requirements for the listed fitments.