Dorman 611-248 Wheel Lug Nut - Front or Rear

Dorman Wheel Lug Nut for Classic GM Fitments

Dorman 611-248 is a chrome steel wheel lug nut built for select classic Buick, Chevrolet, Oldsmobile, and Pontiac applications. It uses a 7/16-20 fine thread, a 60-degree conical seat, and a right-hand thread direction for direct replacement service on the listed vehicles.

Key Features

• Steel construction for strength and long-term service
• Chrome finish for a clean wheel appearance
• 7/16-20 SAE fine thread with clockwise thread direction
• 60-degree conical seat for proper wheel-to-nut contact
• Open-end design with wheel cover retaining nut end type
• Hex size: 3/4 in; overall length: 1.2 in
• Made and tested to demanding automotive industry standards for durability and safety

Detailed Description

This Dorman wheel lug nut is engineered for older GM passenger cars and performance models that use a 7/16-20 threaded fastener with a conical seat. It is a direct-fit service part for applications such as 1970-1981 Pontiac Firebird, 1973-1981 Chevrolet Monte Carlo, and 1980-1981 Buick Regal, as well as other listed Buick, Oldsmobile, and Pontiac models. Dorman 611-248 is built from carbon steel and finished in chrome to match the original wheel hardware look while meeting demanding strength and longevity requirements.

This part cross-references 371674 for the same application.

What It Helps Solve

• Stripped or worn wheel lug nut threads
• Corrosion on original chrome wheel hardware
• Loose wheel retention caused by damaged seating surfaces
• Replacement needs after wheel service or brake work
• Restoration of correct hardware on classic Buick, Chevrolet, Oldsmobile, and Pontiac vehicles

Installation Notes and Tips

Verify the wheel mating surface before installation to confirm the 60-degree conical seat matches the wheel. Confirm thread size, thread direction, and hex size before tightening. For listed fitments, this part is used on applications including 1976-1981 Chevrolet Camaro, 1973-1981 Oldsmobile Cutlass, and 1977-1981 Pontiac Bonneville. Always follow the vehicle manufacturer’s torque specifications and recheck lug nut torque after initial driving.

Quality Assurance

Dorman manufactures this lug nut from steel and tests it to demanding automotive industry standards to support strength, longevity, and safety in service.