Dorman 539-827 Suspension Ball Joint - Front Upper

Dorman 539-827 Front Upper Ball Joint

Dorman 539-827 is a threaded, press-in suspension ball joint built as a standard replacement for the original equipment part on select Lexus GS models. It is engineered and tested for dependable service in the front upper suspension position on 2006-2011 Lexus GS300, GS430, GS350, GS450h, and GS460 applications.

Key Features

• Front upper suspension ball joint for select Lexus GS applications
• Threaded design with press-in mounting type
• Steel construction with gray finish
• Rubber dust boot included
• Standard replacement suspension grade
• Mounting hardware included
• 12 mm wrench size
• Stud type: tapered
• Part number: 539-827

Detailed Description

Dorman 539-827 is a direct replacement suspension ball joint for the front upper position on select Lexus GS vehicles. It is built from steel with a rubber dust boot to help protect the joint area from road contamination, and its threaded, press-in design follows the OE-style service layout used on these applications. This part cross-references Delphi TC5270 and Mevotech Supreme MK500114 for the same application. For buyers searching for a Lexus GS350 front upper ball joint, Lexus GS430 suspension ball joint, or Lexus GS460 OE replacement, Dorman 539-827 provides a focused fitment match for the listed vehicles.

What It Helps Address

• Front suspension looseness or play at the upper ball joint
• Clunking or knocking from the front suspension over bumps
• Uneven tire wear related to worn suspension joints
• Steering response that feels imprecise or unstable
• Inspection failure caused by excessive ball joint wear

Installation Notes and Tips

Fits 2006 Lexus GS300, front upper. Fits 2006-2007 Lexus GS430, front upper. Fits 2007-2011 Lexus GS350, front upper. Fits 2007-2011 Lexus GS450h, front upper. Fits 2008-2011 Lexus GS460, front upper. Confirm the front upper position before installation and verify stud taper, wrench size, and mounting style against the removed part. Because this is a press-in style suspension ball joint, proper service tools and alignment procedures are recommended after installation.

Quality Assurance

Dorman designs this suspension ball joint as a precision-engineered replacement and subjects it to testing for reliable OE-style service on the specified Lexus GS applications. Part number 539-827 is built to meet standard replacement expectations for the front upper suspension position.