Dorman 539-847 Suspension Ball Joint - Front Left Lower

Dorman 539-847 Front Left Lower Ball Joint

Dorman 539-847 is a threaded suspension ball joint built as a standard replacement for the original equipment part on select Lexus applications. It is precision-engineered and tested for dependable fitment on front left lower suspension positions, including Lexus IS250, IS350, IS200t, GS350, GS450h, GS460, GS430, GS300, and IS F models.

Key Features

• Threaded, bolt-in suspension ball joint for front left lower use
• Steel construction with a grey finish
• Dust boot included with rubber boot material
• Castle nut included; cotter pin hole provided
• Mounting hardware included
• Standard replacement suspension grade
• Wrench size: 12 mm
• Part number: 539-847

Detailed Description

This Dorman suspension ball joint is designed for direct replacement in specific Lexus front suspension applications where the original joint has worn, loosened, or developed play. The steel body, tapered stud, and threaded mounting design support a secure OE-style installation on the front left lower position. Part number 539-847 is a practical choice for restoring steering response and suspension geometry on vehicles such as the Lexus IS350 and Lexus GS350.

This part cross-references MOOG Chassis Products K500124 and Delphi TC3062 for the same application.

What It Helps Fix

• Front-end clunking or knocking from a worn lower ball joint
• Excessive suspension looseness or steering play
• Uneven tire wear caused by joint wear and alignment shift
• Restores proper articulation at the front left lower suspension point
• Replacement for damaged or corroded OE ball joint assemblies

Installation Notes and Tips

Verify vehicle fitment by year, make, model, and front left lower position before installation. This is a bolt-in, threaded ball joint with a tapered stud and a 12 mm wrench size. The dust boot and mounting hardware are included, and the cotter pin hole is provided for secure fastening where required. Professional installation and a post-repair alignment are recommended after suspension service.

Quality Assurance

Dorman engineers and tests this replacement ball joint to meet the needs of specific OE applications. Part number 539-847 is built as a standard replacement for select Lexus suspension systems and is intended to deliver reliable service in the front left lower position.