Dorman 539-942 Suspension Ball Joint - Front Upper

Dorman 539-942 Front Upper Ball Joint

Dorman 539-942 is a threaded suspension ball joint built as a standard replacement for the original equipment on select Ram and Dodge trucks. It is precision-engineered and tested for dependable fitment on front upper suspension applications, including Ram 2500, Ram 3500, and Ram 4000 models.

• Threaded, bolt-in style suspension ball joint
• Steel construction with grey finish
• Dust boot included for joint protection
• Greaseable design with grease fitting not included
• Castle nut included; cotter pin hole provided
• Tapered stud design with 12 mm wrench size
• Standard replacement suspension grade
• Part number: 539-942

Fitment Details

• Fits 2011-2024 Ram 2500, front upper; adjusts camber -1.00 degree to +1.00 degree.
• Fits 2011-2024 Ram 3500, front upper; adjusts camber -1.00 degree to +1.00 degree.
• Fits 2021-2024 Ram 4000, front upper; adjusts camber -1.00 degree to +1.00 degree.
• Fits 2011-2020 Ram 4000, front upper; w/solid front axle.
• Fits 2003-2010 Dodge Ram 2500, front upper; adjusts camber -1.00 degree to +1.00 degree.
• Fits 2003-2010 Dodge Ram 3500, front upper; adjusts camber -1.00 degree to +1.00 degree.
• Fits 2006-2008 Dodge Ram 1500, front upper; Mega Cab.

What This Ball Joint Helps Address

• Front-end looseness or play from a worn upper ball joint
• Clunking or popping noises from the suspension
• Uneven tire wear related to front suspension wear
• Steering wander caused by excessive joint movement
• Camber correction needs on listed Ram and Dodge applications

Installation Notes

Verify vehicle year, model, and front upper application before installation. This part uses a threaded, bolt-in mounting type and a tapered stud, so proper torque and alignment procedures should be followed after replacement. The included dust boot helps protect the joint, and the greaseable design supports serviceable maintenance where applicable. Dorman 539-942 is also referenced by Centric Parts 610.67033 and MOOG Chassis Products K7448 for the same application.

Quality Assurance

Dorman manufactures this suspension ball joint as a direct replacement component for specific vehicles and subjects it to testing for fit and function. Part number 539-942 is engineered for the front upper suspension position on the listed Ram and Dodge trucks, with OE-style replacement intent and application-specific design.