Dorman 538-774 Suspension Ball Joint - Front Lower Rear Outer

Dorman 538-774 Suspension Ball Joint

Dorman 538-774 is a threaded suspension ball joint built as a standard replacement for the original equipment on select Mercedes-Benz models. It is precision-engineered and tested for dependable front suspension service on applications such as the Mercedes-Benz S430, S500, and SL500.

Key Features

• Standard replacement suspension ball joint for OE-style service
• Threaded design with press-in mounting type
• Steel construction with grey finish
• Dust boot included; grease fitting not included
• Mounting hardware included
• Tapered stud with 12 mm wrench size
• Fits the front lower rear outer position on select Mercedes-Benz vehicles

Detailed Description

This Dorman suspension ball joint, part number 538-774, is made for front lower rear outer suspension locations on select Mercedes-Benz CL500, CL55 AMG, CL600, CL65 AMG, S350, S430, S500, S55 AMG, S600, S65 AMG, SL500, SL550, SL600, SL63 AMG, SL65 AMG, and SL55 AMG models. The steel body, polychloroprene dust boot, and standard suspension grade construction support direct replacement service where the original joint has worn or loosened. This part cross-references MOOG Chassis Products K500056 for the same application.

What It Helps Fix

• Front suspension clunking or looseness from a worn ball joint
• Steering play caused by excess joint movement
• Uneven tire wear related to suspension wear
• Front-end vibration or wandering on Mercedes-Benz chassis
• Failed inspection due to suspension joint wear

Installation Notes and Tips

Verify the vehicle’s front lower rear outer suspension position before ordering. This ball joint uses a press-in mounting type and a threaded design, so proper suspension service tools are required for installation. Confirm stud thread length, tapered stud fit, and wrench size during replacement to ensure correct seating on the control arm assembly.

Quality Assurance

Dorman engineers this ball joint as a tested replacement for the original equipment on specific vehicles. The design focuses on fit, function, and durability for routine suspension repair on Mercedes-Benz applications.