Dorman 539-931 Suspension Ball Joint - Front Lower

Dorman 539-931 Front Lower Ball Joint

Dorman 539-931 is a threaded suspension ball joint built for specific Lexus LX470 and Toyota Land Cruiser front lower applications. It is precision-engineered and tested as a direct replacement for the original equipment part, with a steel body, tapered stud, dust boot, and castle nut included.

Key Features

• Front lower suspension ball joint for select Lexus LX470 and Toyota Land Cruiser models
• Steel construction with grey finish
• Threaded design with press-in mounting type
• Tapered stud with cotter pin hole and 12 mm wrench size
• Dust boot made from polychloroprene
• Castle nut included
• Premium suspension grade type
• Part number 539-931 for catalog and fitment lookup

Detailed Description

This Dorman suspension ball joint is designed for front lower suspension service on 1998-2007 Lexus LX470 and 1998-2007 Toyota Land Cruiser models. The steel construction, threaded body, and tapered stud support a secure OE-style replacement where the original joint has worn, loosened, or developed play. The dust boot helps protect the joint from road contamination, while the included castle nut and mounting hardware support a complete repair setup. Cross-reference part numbers include MOOG Chassis Products K500133 and Delphi TC5648 for the same application. If you are searching for a front lower ball joint for Lexus LX470 or Toyota Land Cruiser, part number 539-931 is the direct catalog reference.

What It Helps Fix

• Front-end looseness or clunking from a worn lower ball joint
• Steering wander or imprecise road feel
• Uneven tire wear related to suspension joint wear
• Suspension noise during braking, turning, or bumps
• Excessive play in the front lower suspension on Lexus LX470 and Toyota Land Cruiser

Installation Notes

Fits 1998-2007 Lexus LX470, front lower. Fits 1998-2007 Toyota Land Cruiser, front lower. Verify the press-in mounting style, threaded body, and tapered stud design before installation. Inspect the control arm and surrounding hardware for wear, and follow the vehicle service procedure for proper alignment after replacement. Part number 539-931 should be matched to the vehicle application before service begins.

Quality Assurance

Dorman designs this ball joint as a precision replacement part and subjects it to testing for reliable service on the listed applications. The premium suspension grade construction and OE-style fitment focus support consistent repair quality for Lexus LX470 and Toyota Land Cruiser front lower suspension service.