Dorman 533-378 Suspension Ball Joint - Front Upper

Dorman 533-378 Front Upper Ball Joint

Dorman 533-378 is a threaded suspension ball joint built as a direct replacement for the original equipment on select Mitsubishi applications. It is precision-engineered and tested for reliable front-end service on Mitsubishi Montero Sport and Mitsubishi Montero models.

Key Features

• Direct replacement suspension ball joint for front upper mounting positions
• Fits 1997-2008 Mitsubishi Montero Sport, front upper
• Fits 1992-2000 Mitsubishi Montero, front upper
• Threaded, bolt-in design with tapered stud
• Steel construction with grey finish
• Dust boot included with rubber boot material
• Greaseable design with grease fitting included
• Castle nut, mounting hardware, and cotter pin hole included
• Standard replacement grade for OE-style service

Detailed Description

This Dorman suspension ball joint, part number 533-378, is engineered for front upper suspension service on Mitsubishi Montero Sport and Mitsubishi Montero vehicles. The steel body, threaded mounting type, and tapered stud help support a secure OE-style replacement for worn upper ball joint assemblies. The dust boot and greaseable design are included to support joint protection and serviceability in demanding suspension environments.

For buyers searching for a front upper ball joint for 1997-2008 Mitsubishi Montero Sport or 1992-2000 Mitsubishi Montero, Dorman 533-378 provides a direct-fit replacement option. This part cross-references Delphi TC831 for the same application.

What It Helps Address

• Front suspension looseness or play at the upper ball joint
• Clunking or knocking from the front suspension
• Uneven tire wear related to worn steering and suspension joints
• Steering wander caused by excess joint movement
• Inspection failure from a damaged or worn upper ball joint

Installation Notes and Tips

Verify the vehicle’s front upper suspension configuration before installation. The bolt-in, threaded design uses a tapered stud and a cotter pin hole, so fastener alignment and proper torque are important during assembly. Because this part is greaseable, service the joint after installation according to the vehicle’s maintenance requirements.

Quality Assurance

Dorman designs this replacement ball joint to match the original equipment application on the listed Mitsubishi vehicles and subjects it to testing for dependable fit and function. Part number 533-378 is built as a standard replacement suspension component for front upper service.