Dorman 539-853 Suspension Ball Joint - Front Left Lower

Dorman 539-853 Front Left Lower Ball Joint

Dorman 539-853 is a threaded suspension ball joint built as a standard replacement for the original equipment on select Lexus and Toyota vehicles. It is precision-engineered and tested for reliable service on the front left lower suspension position.

Key Features

• Threaded ball joint assembly for bolt-in mounting
• Steel construction with black finish
• Dust boot included to help protect the joint
• Castle nut, cotter pin, cotter pin hole, and mounting hardware included
• Standard replacement suspension grade
• 14 mm wrench size
• Grease fitting not included; non-greaseable design
• Adjustable: No

Detailed Description

This Dorman suspension ball joint is made for the front left lower position on 2018-2024 Lexus LS500, 2018-2024 Lexus LS500h, 2021-2024 Toyota Mirai, 2009-2017 Lexus LS460, and 2008-2016 Lexus LS600h. It uses a threaded stud design and bolt-in mounting with four mounting holes, making it a direct-fit replacement for the specified applications. The steel body, dust boot, and included castle nut and cotter pin support a secure OE-style repair for worn front suspension joints. This part number is 539-853.

This part cross-references MOOG Chassis Products (e.g., K500375) for the same application.

Common Repair Uses

• Front suspension clunking or looseness
• Excessive play at the lower control arm connection
• Uneven tire wear related to worn steering and suspension geometry
• Steering wander or imprecise front-end response
• Ball joint boot damage or joint wear on Lexus LS500, LS500h, LS460, LS600h, or Toyota Mirai

Installation Notes

Verify the front left lower position before installation. Confirm mounting hole diameter, stud thread length, and wrench size against the original part before assembly. Because this is a threaded, bolt-in style ball joint, proper torque and alignment checks are important after installation. Use the included cotter pin and castle nut during reassembly where specified by the vehicle application.

Quality Assurance

Dorman manufactures this replacement ball joint to match the original equipment application on the listed vehicles and subjects it to testing for dependable fit and function. Part number 539-853 is built for direct replacement use on the confirmed Lexus and Toyota fitments.