Dorman 533-389 Suspension Ball Joint - Front Lower

Dorman 533-389 Front Lower Ball Joint for Mazda Miata

Dorman 533-389 is a threaded suspension ball joint built as a direct OE-style replacement for specific Mazda Miata front lower applications. It is precision-engineered and tested for reliable service on 1990-1997 and 1999-2005 Mazda Miata models.

Key Features

• Fits 1990-1997 Mazda Miata, front lower
• Fits 1999-2005 Mazda Miata, front lower
• Threaded, bolt-in suspension ball joint design
• Metal construction with grey finish
• Rubber dust boot included
• Castle nut included; cotter pin hole provided
• Mounting hardware included
• Standard replacement grade
• Tapered stud design with 12 mm wrench size

Detailed Description

This Dorman suspension ball joint, part number 533-389, is made for the front lower position on Mazda Miata models across the 1990-1997 and 1999-2005 model years. The assembly uses a threaded, bolt-in mounting type and a tapered stud to match the original suspension layout on the vehicle. A rubber dust boot helps protect the joint area, while the included castle nut and cotter pin hole support secure installation. This part cross-references MOOG Chassis Products K9908 for the same application.

For drivers searching for a Mazda Miata front lower ball joint replacement, Dorman 533-389 provides a direct-fit solution for restoring suspension connection points on the Miata chassis. The metal body, standard replacement grade, and OE-style dimensions make it a practical choice when replacing worn front suspension components on compatible Mazda Miata applications.

What It Helps Address

• Front suspension looseness or play
• Clunking or knocking from the lower front suspension
• Uneven tire wear related to worn ball joint movement
• Steering instability caused by excess joint wear
• Inspection failure from a damaged or worn lower ball joint

Installation Notes and Tips

Verify the front lower position and threaded, bolt-in design before installation. Confirm stud taper, wrench size, and mounting hole alignment against the original part on your Mazda Miata. Because this assembly includes a cotter pin hole and castle nut, follow the vehicle service procedure for proper fastener seating and final torque. Inspect surrounding suspension hardware and replace any worn mating components during service.

Quality Assurance

Dorman states this ball joint is precision-engineered and rigorously tested to serve as a reliable replacement for the original equipment on specific vehicles. Part number 533-389 is built to standard replacement specifications for consistent fit and function on the listed Mazda Miata applications.