Dorman 611-086 Wheel Lug Nut - Front or Rear

Dorman 611-086 Wheel Lug Nut

Dorman 611-086 is a steel wheel lug nut built for select GM applications that use a 7/16-20 fine thread and a 60-degree conical seat. The zinc finish and carbon-steel construction are engineered for strength, longevity, and safe wheel retention on vehicles such as Chevrolet Caprice, Buick LeSabre, and Oldsmobile Cutlass.

Key Features

• Steel construction with a zinc finish for corrosion resistance
• 7/16-20 SAE fine thread with clockwise thread direction
• 60-degree conical seat for proper wheel mating surface contact
• Wheel cover retaining nut design for covered-wheel applications
• Hex size: 3/4 in for standard service tools
• Direct replacement style for select Chevrolet, Buick, Oldsmobile, and Pontiac models

Detailed Description

This Dorman wheel lug nut, part number 611-086, is manufactured from carbon steel and tested to demanding automotive industry standards. It is designed for vehicles that use wheel covers retained by the nuts, with fitment coverage across select Chevrolet Caprice, Pontiac Parisienne, Buick LeSabre, Oldsmobile Delta 88, and Oldsmobile Cutlass applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

For buyers searching for a 7/16-20 wheel lug nut for classic GM full-size cars, Dorman 611-086 provides the correct thread size, seat style, and overall length for the listed applications. Use it when replacing worn, damaged, or corroded lug nuts on compatible Chevrolet Caprice and Pontiac Catalina models, or when servicing Buick and Oldsmobile vehicles that require a wheel cover retaining nut.

Common Issues This Part Can Address

• Rounded or damaged lug nut hex surfaces
• Corrosion on original wheel lug nuts
• Improper wheel-to-lug nut seat contact
• Loose or worn wheel cover retaining hardware
• Thread wear on aging 7/16-20 wheel fasteners

Installation Notes and Tips

Verify lug nut to wheel mating surface for proper and safe fitment before installation. Confirm the wheel uses a 60-degree conical seat and 7/16-20 thread size, and match the right-hand thread direction. For fitment-specific searches, this part fits 1977-1990 Chevrolet Caprice, 1983-1986 Pontiac Parisienne, 1977-1985 Buick LeSabre, and 1973-1981 Oldsmobile Cutlass applications, along with other listed Buick, Oldsmobile, and Pontiac models.

• Fits 1977-1990 Chevrolet Caprice, N/A
• Fits 1983-1986 Pontiac Parisienne, N/A
• Fits 1977-1985 Buick LeSabre, Front
• Fits 1977-1985 Buick LeSabre, Rear
• Fits 1977-1985 Oldsmobile Delta 88, N/A
• Fits 1980-1981 Buick Century, N/A
• Fits 1980-1981 Buick Regal, N/A
• Fits 1973-1981 Oldsmobile Cutlass, N/A
• Fits 1978-1981 Oldsmobile Cutlass Calais, N/A
• Fits 1980-1981 Oldsmobile Cutlass Cruiser, N/A
• Fits 1973-1981 Oldsmobile Cutlass Supreme, N/A
• Fits 1977-1981 Pontiac Bonneville, N/A
• Fits 1977-1981 Pontiac Catalina, N/A

Quality Assurance

Dorman manufactures this lug nut to automotive industry standards for strength, longevity, and safety. Part number 611-086 is built as a steel replacement fastener for select GM wheel applications and is backed by Dorman’s product engineering and testing process.