Dorman B80027RD Suspension Ball Joint - Front Lower

Dorman RD Front Lower Ball Joint

Dorman RD B80027RD is a front lower suspension ball joint for severe-duty service on select Ford trucks and SUVs. It is built for Ford F-250 Super Duty, F-350 Super Duty, Ford F-250, Ford F-350, and Excursion applications where front-end reliability matters under towing, hauling, and off-road use.

The RD - Rugged Duty line is Dorman’s heavy-service chassis range. For this ball joint, the housing uses quenched and tempered steel with a protective coating for added corrosion resistance. The assembly includes a dust boot, castle nut, cotter pin hole, and mounting hardware, and it uses a threaded, press-in design with a tapered stud for a secure OE-style service replacement.

• Front lower suspension ball joint for select Ford applications
• RD - Rugged Duty chassis component for severe-duty service
• Quenched and tempered steel housing with corrosion-resistant coating
• Threaded, press-in mounting type with tapered stud
• Dust boot included to help retain grease and protect the joint
• Castle nut included; cotter pin hole provided
• Greaseable design for regular maintenance
• Cross-reference: MOOG Chassis Products K80027

Built for Severe-Duty Ford Suspension Service

Dorman B80027RD is engineered for front lower suspension use on 1999-2022 Ford F-250 Super Duty and F-350 Super Duty, 2000-2005 Ford Excursion, 2000-2009 Ford F-250, 1987-1996 Ford F-250, 1999-2009 Ford F-350, 1987-1997 Ford F-350, 1997-1999 Ford F-250, 1997 Ford F-250 HD, 1987-1991 Ford B-200, and 1986-1991 Ford F-200. It is a direct-fit service part for vehicles that see heavy hauling, towing, and demanding road conditions. Part number B80027RD is also a useful reference when sourcing a front lower ball joint for these Ford chassis applications.

What This Ball Joint Helps Address

• Front-end looseness or play in the lower suspension joint
• Clunking or popping from worn ball joint components
• Uneven tire wear related to suspension joint wear
• Steering instability on heavy-duty Ford trucks and Excursion models
• Corrosion-related service issues on exposed chassis parts

Installation Notes

Verify vehicle application by year, make, model, and front lower position before installation. This part uses a press-in mounting style and a threaded stud with a tapered seat, so proper suspension service tools are recommended. Clean the knuckle bore thoroughly, inspect the surrounding control arm and hardware, and follow the vehicle service procedure for torque and alignment checks after replacement. Part number B80027RD may also be listed under interchange references used for the same application.

Quality Assurance

Dorman RD components are built for severe-duty chassis service and use corrosion-resistant materials and coatings to support long-term durability in demanding Ford truck and SUV applications. The RD line is intended for vehicles that need dependable suspension performance under repeated load and harsh operating conditions.