Dorman 533-178 Suspension Ball Joint - Front Lower

Dorman 533-178 Front Lower Ball Joint

Dorman 533-178 is a threaded, press-in suspension ball joint built for front lower applications on select Chevrolet and GMC trucks and vans. It is precision-engineered and tested for reliable OE-style replacement on vehicles such as the Chevrolet C20, Chevrolet P30, and GMC G3500.

Key Features

• Steel construction for suspension service
• Threaded design with press-in mounting type
• Greaseable design with grease fitting not included
• Dust boot included with rubber boot material
• Castle nut included; cotter pin hole provided
• Standard replacement suspension grade
• Ball joint assembly included
• Mounting hardware included
• 12 mm wrench size and tapered stud type

Detailed Description

This Dorman suspension ball joint, part number 533-178, is designed for front lower suspension service on a wide range of Chevrolet and GMC heavy-duty platforms. It cross-references MOOG Chassis Products K6129T for the same application. The steel body, threaded service design, and press-in mounting style support direct replacement in compatible front suspension assemblies, while the included dust boot helps protect the joint from road contamination. This part is a practical OE-style replacement for vehicles including the Chevrolet C20, Chevrolet P30, and GMC G3500.

Compatible With: 1971-1996 Chevrolet and GMC front lower suspension applications listed below, including Chevrolet C20, C30, G30, P20, P30, R20, R30, and GMC C2500, C3500, G35, G3500, P2500, P3500, and related Suburban and van configurations.

What It Helps Fix

• Front-end looseness or play in the lower suspension joint
• Clunking or popping noises from the front suspension
• Uneven tire wear caused by worn ball joint movement
• Steering instability on worn Chevrolet and GMC front lower joints
• Suspension inspection failures related to joint wear

Installation Notes and Tips

• Verify vehicle year, make, model, and front lower position before installation.
• Press-in mounting requires proper suspension service tools and procedures.
• Confirm the tapered stud, castle nut, and cotter pin hole alignment during assembly.
• Inspect the surrounding control arm and related hardware for wear before reassembly.
• Grease the joint if service procedures call for lubrication after installation.

Quality Assurance

Dorman designs this replacement ball joint for specific vehicle applications and subjects it to testing for dependable service. Part number 533-178 is built to meet standard replacement needs for front lower suspension repair on select Chevrolet and GMC platforms.