Dorman 532-643 Suspension Ball Joint - Front Lower

Dorman 532-643 Front Lower Ball Joint

Dorman 532-643 is a front lower suspension ball joint for select Ford, Mazda, Toyota, and Scion applications. It is precision-engineered and tested as a direct replacement for the original equipment on specific vehicles, with a steel housing and pressed-in mounting design.

Key Features

• Steel construction for suspension service
• Pressed mounting type with pinch bolt attachment
• Polymer bearing material and polychloroprene dust boot
• Standard suspension grade type
• Mounting hardware included
• Pinch-style stud design with M1.5 thread pitch
• Housing press fit diameter: 38.6 mm

Detailed Description

This Dorman suspension ball joint, part number 532-643, is built for front lower suspension service on vehicles such as the 2011-2019 Ford Fiesta, 2011-2022 Mazda 2, 2016-2020 Toyota Yaris, 2016-2020 Toyota Yaris R, 2017-2018 Toyota Yaris iA, 2016 Scion iA, and 2013-2022 Ford EcoSport. It uses a pressed-in mounting style with a pinch bolt attachment, and the package includes the ball joint, pinch bolt, nut, and spring clip. This part cross-references MOOG Chassis Products K500255 for the same application.

What It Helps Fix

• Front-end looseness or play from a worn lower ball joint
• Clunking or knocking noises from the front suspension
• Uneven tire wear related to suspension joint wear
• Steering wander or reduced front-end stability
• Inspection failures caused by excessive ball joint movement

Installation Notes and Tips

Verify the housing press fit diameter, stud thread diameter, and pinch-bolt style before installation. This part is a pressed-in component, so proper suspension service tools are recommended for removal and installation. Confirm front lower fitment for your exact year, make, and model before ordering, including Ford Fiesta, Mazda 2, and Toyota Yaris applications.

Quality Assurance

Dorman states that this replacement ball joint is precision-engineered and rigorously tested to match original equipment requirements on the listed vehicles. The steel construction, sealed dust boot, and standard-duty design support consistent suspension service on the specified applications.