Dorman 533-170 Suspension Ball Joint - Front Upper

Dorman 533-170 Front Upper Ball Joint

Dorman 533-170 is a threaded, bolt-in suspension ball joint built for front upper applications on select Chevrolet, GMC, Oldsmobile, and Isuzu vehicles. It is precision-engineered and tested for dependable OE-style replacement performance on the specific vehicles listed below.

Key Features

• Front upper suspension ball joint for select S10, Blazer, Jimmy, Sonoma, Bravada, and Hombre applications
• Steel construction with a grey finish
• Threaded design with tapered stud type
• Greaseable design with dust boot included
• Castle nut, cotter pin hole, and mounting hardware included
• Premium suspension grade type
• Part number: 533-170

Detailed Description

This Dorman suspension ball joint is built for front upper service where a worn joint can affect steering response, suspension stability, and tire wear. The steel body, threaded mounting type, and tapered stud support a direct replacement approach for select Chevrolet S10 and S10 Blazer, GMC S15 and S15 Jimmy, GMC Sonoma, Chevrolet Blazer, Oldsmobile Bravada, and Isuzu Hombre models. Dorman 533-170 also cross-references MOOG Chassis Products K5320 for the same application.

Compatible With 1984-2005 Chevrolet Blazer, front upper; 1984-2004 Chevrolet S10, front upper; 1984-1994 Chevrolet S10 Blazer, front upper; 1984-1990 GMC S15, front upper; 1984-1991 GMC S15 Jimmy, front upper; 1991-2004 GMC Sonoma, front upper; 1992-2005 GMC Jimmy, front upper; 1991-1994 Oldsmobile Bravada, front upper; 1996-2001 Oldsmobile Bravada, front upper; and 1998-2000 Isuzu Hombre, front upper.

What It Helps Fix

• Front-end looseness or play in the upper suspension joint
• Clunking or popping noises from the front suspension
• Uneven or accelerated tire wear caused by worn ball joint movement
• Steering wander or reduced road feel
• Inspection failures related to suspension wear

Installation Notes and Tips

Verify the vehicle’s front upper application before installation and compare the original joint dimensions, including length, width, height, and stud thread length. The part uses a bolt-in mounting type with four mounting holes, a 12 mm wrench size, and a cotter pin hole. Grease the joint during service if required by the chassis maintenance schedule, and confirm the dust boot seats correctly after installation.

Quality Assurance

Dorman states this ball joint is precision-engineered and rigorously tested to provide reliable replacement performance for the original equipment on specific vehicles. The premium suspension grade construction and OE-style fitment focus support consistent service on the listed Chevrolet, GMC, Oldsmobile, and Isuzu front upper applications.