Dorman 539-841 Suspension Ball Joint - Front Left Lower

Dorman 539-841 Front Left Lower Ball Joint

Dorman 539-841 is a threaded suspension ball joint engineered as a direct replacement for the original equipment on specific vehicles. It is built for the front left lower position on 2004-2006 Lexus LS430 models and is designed to restore precise suspension articulation and steering response.

Key Features

• Fits 2004-2006 Lexus LS430, front left lower
• Threaded, bolt-in suspension ball joint design
• Steel construction with a grey finish
• Dust boot included with rubber boot material
• Castle nut, cotter pin hole, and mounting hardware included
• Standard replacement grade for OE-style service
• Non-greaseable design with no grease fitting
• Tapered stud with 12 mm wrench size
• Dorman part number 539-841

Detailed Description

This suspension ball joint is precision-engineered and tested to replace the original equipment on the Lexus LS430. The steel body, threaded mounting style, and tapered stud are specified for the front left lower suspension location, helping maintain proper joint movement and secure attachment. Dorman 539-841 is a practical choice when servicing worn front suspension components on 2004, 2005, and 2006 Lexus LS430 vehicles.

This part cross-references MOOG Chassis Products K500320 for the same application.

What It Helps Address

• Front suspension looseness or play
• Clunking or knocking from the lower control arm area
• Uneven tire wear related to worn ball joint movement
• Steering wander or reduced front-end stability
• Inspection failure caused by excessive joint wear

Installation Notes and Tips

Verify the vehicle is a 2004-2006 Lexus LS430 with the front left lower application before installation. Confirm the threaded mounting style, tapered stud, and 12 mm wrench size match the original part. Inspect the surrounding suspension components, control arm mounting points, and fasteners for wear or damage during service. Because this unit is non-greaseable, routine lubrication is not required.

Quality Assurance

Dorman manufactures this ball joint as a tested replacement part for OE-style service on specific applications. The design uses the listed hardware and boot configuration to support proper fitment and dependable suspension repair.