Dorman 611-166 Wheel Lug Nut

Dorman 611-166 Wheel Lug Nut Overview

Dorman 611-166 wheel lug nuts are built from steel and finished in black for a clean, OE-style appearance on select Nissan applications. With an M12-1.25 fine thread, 60-degree conical seat, and 21 mm hex, this lug nut is made for direct replacement use where the wheel and hub specifications match.

Compatible With select Nissan Frontier, Pathfinder, Pickup, D21, Sentra, and 310 applications, Dorman 611-166 is a practical choice when replacing worn, damaged, or corroded lug nuts. This part number is also referenced as 611-166 for cross-checking during parts lookup.

Key Features

• Steel construction for strength and long service life
• Black finish for a uniform wheel appearance
• Acorn-style end with a 60-degree conical seat
• M12-1.25 fine thread with clockwise thread direction
• 21 mm hex size for standard service tools
• Metric lug nut design for select Nissan wheel applications

Detailed Description

Dorman 611-166 is a metric wheel lug nut engineered for vehicles that use an M12-1.25 thread, right-hand thread direction, and a conical seat. The steel body is tested to automotive industry standards for strength, durability, and safety, making it a solid replacement for service work on Nissan Frontier, Pathfinder, Pickup, D21, Sentra, and 310 models listed in the fitment data. If you are sourcing Dorman 611-166 for a wheel service or restoration, verify the lug nut-to-wheel mating surface before installation to confirm proper seat style and safe fitment.

This part cross-references Spectra Premium 98124 for the same application.

Common Problems This Part Can Help Solve

• Rounded or damaged lug nut hex surfaces
• Corrosion on original wheel fasteners
• Improper wheel retention caused by worn lug nuts
• Mismatch between wheel seat style and existing hardware
• Replacement needs after wheel service or tire rotation

Installation Notes and Tips

• Confirm thread size is M12-1.25 before installation.
• Verify the wheel uses a 60-degree conical seat.
• Use the correct 21 mm socket to avoid fastener damage.
• Inspect wheel studs and mating surfaces for wear or corrosion.
• Follow the vehicle manufacturer’s torque specification during installation.

Quality Assurance

Dorman manufactures this lug nut from carbon steel and tests it to demanding automotive industry standards to support strength, longevity, and safety. For buyers comparing Dorman 611-166 against OE-style replacements, this part is built to meet the needs of select Nissan wheel applications with the correct thread and seat geometry.