Dorman 533-186 Suspension Ball Joint - Front Upper

Dorman 533-186 Suspension Ball Joint

Dorman 533-186 is a threaded suspension ball joint engineered as a standard replacement for specific OE applications. It is listed for the front upper position on 1988 Chevrolet K3500 and 1988 GMC K3500, making it a direct-fit option for those truck suspension repairs.

• Fits 1988 Chevrolet K3500, front upper
• Fits 1988 GMC K3500, front upper
• Threaded, bolt-in design with tapered stud
• 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
• Mounting hardware included; mounting hole quantity: 4
• Wrench size: 12 mm; stud thread length: 35.5

Product Details

This suspension ball joint is precision-engineered and tested for reliable OE-style replacement on the specified vehicles. The Dorman 533-186 uses a bolt-in mounting type, a tapered stud, and a threaded body to match the service requirements of the front upper suspension on the 1988 Chevrolet K3500 and 1988 GMC K3500. Its steel construction, polychloroprene dust boot, and greaseable design support long-term service in demanding front suspension use.

This part cross-references MOOG Chassis Products K6294 for the same application.

Common Repair Symptoms

• Front-end looseness or play at the upper control arm
• Clunking or popping noises over bumps
• Uneven tire wear linked to worn suspension joints
• Steering wander or reduced directional stability
• Visible boot wear or joint contamination

Installation Notes

Verify front upper fitment before installation on the 1988 Chevrolet K3500 or 1988 GMC K3500. Confirm the tapered stud, threaded body, and 4-hole mounting pattern match the original suspension layout. Inspect the control arm and surrounding hardware for wear, and torque fasteners to the vehicle service specification during assembly.

Quality Assurance

Dorman positions this ball joint as a precision-engineered replacement that is rigorously tested for dependable service on the listed applications. The design follows standard replacement requirements for OE-style suspension repair.