Dorman 533-166 Suspension Ball Joint - Front Upper

Dorman 533-166 Front Upper Ball Joint

Dorman 533-166 is a threaded suspension ball joint built as a direct replacement for the original equipment on select vehicles. It is precision-engineered and tested for dependable front suspension service on applications such as the Chevrolet Chevette, Pontiac Fiero, Pontiac T1000, Pontiac Acadian, Isuzu I-Mark, and Isuzu Impulse.

Key Features

• Threaded, bolt-in suspension ball joint for front upper applications
• Steel construction with a grey finish
• Greaseable design with grease fitting included
• Dust boot included with rubber/elastomer boot material
• Adjustable design for OE-style suspension service
• Castle nut, cotter pin hole, and mounting hardware included
• Tapered stud with 12 mm wrench size

Detailed Description

This Dorman suspension ball joint, part number 533-166, is made for front upper suspension locations and follows the original equipment style used on specific Chevrolet, Pontiac, and Isuzu platforms. The steel body, threaded mounting type, and tapered stud support secure installation, while the greaseable design helps serviceability during routine chassis maintenance. It cross-references Delphi TC6501 for the same application.

Compatible With 1976-1987 Chevrolet Chevette, front upper; 1976-1987 Pontiac Acadian, front upper; 1981-1987 Pontiac T1000, front upper; 1984-1987 Pontiac Fiero, front upper; 1981-1985 Isuzu I-Mark, front upper; and 1983-1989 Isuzu Impulse, front upper. The Dorman 533-166 is a practical OE replacement for restoring steering and suspension geometry on these vehicles.

What It Helps Fix

• Excessive front-end looseness or play from a worn ball joint
• Clunking or popping noises from the upper suspension area
• Uneven tire wear caused by suspension joint wear
• Steering wander or reduced front-end stability
• Loose or damaged OE-style upper ball joint mounting points

Installation Notes and Tips

Verify front upper fitment by year, make, and model before installation. Inspect the control arm, mounting holes, and surrounding suspension components for wear or damage before pressing or bolting in the new joint. Use the included castle nut and mounting hardware as specified by the vehicle service procedure, and confirm proper torque and cotter pin hole alignment during assembly.

Quality Assurance

Dorman manufactures this ball joint as a tested replacement part for specific OE applications. The design is focused on dimensional accuracy, fit, and repeatable suspension performance for service work on Chevrolet Chevette, Pontiac Fiero, Pontiac T1000, Pontiac Acadian, Isuzu I-Mark, and Isuzu Impulse platforms. Part number 533-166 is built to meet the needs of repair and restoration work on these front upper suspension systems.