MAS Chassis BJ81266 Suspension Ball Joint - Front Upper

Overview

MAS Chassis BJ81266 is a bolt-on suspension ball joint built for specific heavy-duty truck applications. It uses a steel construction, a greaseable design, and a dust boot to support dependable service in demanding front suspension use.

Compatible with Ram 4500 and Ram 5500 front upper applications, this part number BJ81266 is a direct replacement option for vehicles that require a bolt-on ball joint assembly. It is also cross-referenced to MOOG Chassis Products K500138 and Delphi TC5891 for the same application.

Key Features

• Steel ball joint assembly with a standard suspension grade type
• Bolt-on mounting design with included mounting hardware
• Grease fitting included for serviceable lubrication
• Dust boot included to help protect the joint from contamination
• Tapered stud design with castle nut and cotter pin included

Product Details

MAS Chassis BJ81266 is engineered as a replacement suspension ball joint for front upper fitments on Ram 4500 and Ram 5500 models. The bolt-on construction, tapered stud, and included mounting plate support a secure installation on the specified suspension layout. With a greaseable design and polychloroprene dust boot, this ball joint is built for routine serviceability and protection in the steering and suspension system. The part number BJ81266 is intended for applications that call for a bolt-on upper ball joint assembly rather than an adjustable design.

Common Uses

• Restoring worn or loose front suspension joint movement
• Addressing steering play caused by ball joint wear
• Replacing a damaged dust boot or contaminated joint assembly
• Correcting clunking or popping noises from the upper suspension area

Installation Notes

Verify the vehicle year, make, model, and front upper suspension configuration before installation. Confirm bolt pattern, stud taper, and thread specifications against the original part. Use the included castle nut and cotter pin during assembly, and torque fasteners to the vehicle manufacturer’s specifications.

Quality Assurance

MAS Chassis states that this suspension ball joint is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.