Dorman BJ83335RD Suspension Ball Joint - Front Lower

Dorman RD Lower Ball Joint for Ram HD

Dorman RD BJ83335RD is a front lower suspension ball joint built for severe-duty service on Ram heavy-duty trucks. It is engineered for Ram 2500, Ram 3500, and Ram 4000 applications that see towing, hauling, off-road use, and other demanding conditions.

The RD, or Rugged Duty, line is Dorman’s severe-service chassis range. For this lower ball joint, the housing uses quenched and tempered steel with a protective finish for added durability and corrosion resistance. The assembly also includes a dust boot and corrosion-resistant hardware details where applicable, and the joint is pre-loaded with premium grease in a boot design that helps retain lubrication.

• Part number: BJ83335RD
• Front lower suspension ball joint for Ram HD applications
• Press-in mounting type
• Steel housing with protective coating
• Dust boot included
• Castle nut and cotter pin included
• No grease fitting; sealed design
• Threaded stud with 12 mm wrench size
• Compatible with 2014-2025 Ram 2500, front lower
• Compatible with 2013-2025 Ram 3500, front lower
• Compatible with 2014-2024 Ram 4000, front lower

Built for Severe-Duty Suspension Service

BJ83335RD is a direct-fit lower ball joint for Ram 2500, Ram 3500, and Ram 4000 front suspension service where original equipment has worn out or loosened. The press-in design and included dust boot support a clean, serviceable installation on specified vehicles. This part cross-references MOOG Chassis Products (e.g., K500351, K500429) for the same application.

Common Problems This Part Can Address

• Front-end clunking or popping from a worn lower ball joint
• Excessive steering play or vague road feel
• Uneven tire wear related to suspension looseness
• Inspection failure caused by ball joint wear or boot damage
• Suspension noise under towing, hauling, or rough-road use

Installation Notes and Tips

Fits 2014-2025 Ram 2500, front lower. Fits 2013-2025 Ram 3500, front lower. Fits 2014-2024 Ram 4000, front lower. Verify press-in dimensions, stud thread engagement, and torque specifications before service. Because this is a press-in ball joint, proper removal and installation tools are recommended to avoid damage to the control arm or joint housing.

Quality Assurance

Dorman RD chassis components are built for severe-duty use with steel construction and corrosion-resistant finishes. BJ83335RD is designed for Ram HD trucks that need dependable front suspension service in demanding operating conditions.