Delphi TC8478 Suspension Ball Joint - Front Upper

Delphi TC8478 Front Upper Ball Joint

Delphi TC8478 is a standard replacement suspension ball joint for the front upper position. Built with a steel body, rubber dust boot, and press-in mounting design, it is made for direct service on select Dodge Durango and Jeep Grand Cherokee applications.

Key Features

• Front upper suspension ball joint
• Steel construction with gray finish
• Rubber dust boot included
• Press-in mounting type
• Standard replacement suspension grade
• Threaded, tapered stud design
• Mounting hardware and washers included
• No grease fitting; non-greaseable design

Application Details

Compatible with 2016-2022 Dodge Durango, front upper; 2022 Jeep Grand Cherokee WK, front upper; and 2016-2021 Jeep Grand Cherokee, front upper. Delphi TC8478 is engineered using dimensional and material analysis to match OE and aftermarket requirements, helping maintain proper suspension geometry and fitment. This part cross-references Mevotech Supreme MS25561 for the same application.

What This Part Helps Address

• Front-end looseness or play from a worn ball joint
• Clunking or popping noises from the upper suspension area
• Uneven tire wear related to suspension joint wear
• Steering instability caused by excess joint movement
• Inspection failure from damaged or deteriorated ball joint components

Installation Notes

Delphi TC8478 uses a press-in mounting style, so proper suspension service tools are required for installation. Verify the front upper position before ordering, and compare the original part dimensions, stud taper, and mounting style to confirm correct application on your Dodge Durango or Jeep Grand Cherokee. The included dust boot and mounting hardware support a complete service replacement.

Quality Assurance

Delphi applies OE-focused testing and material analysis to its steering and suspension parts. This ball joint is evaluated for temperature extremes and salt-spray exposure to help confirm durability in demanding road conditions.