Dorman 713-275A Wheel Lug Nut

Dorman 713-275A Wheel Lug Nut Lock Set

Dorman 713-275A is a wheel lug nut and lock set for vehicles using 1/2-20 fine-thread wheel studs with a 60-degree conical seat. It combines black chrome carbon steel lug nuts with locking hardware and a wheel lock key for added wheel security and a clean OE-style appearance.

Key Features

• Carbon steel construction for strength and durability
• Black chrome finish for a dark, corrosion-resistant look
• Fine-thread 1/2-20 SAE lug nut design
• 60-degree conical seat for proper wheel mating surface engagement
• Clockwise, right-hand thread direction
• Hex size: 19 mm
• Wheel lock key included for security applications

Product Details

This Dorman wheel lug nut set is built for direct replacement use on a range of Ford, Mercury, Lincoln, Cadillac, and Dodge applications that call for 1/2-20 acorn-style lug nuts. It is a fitment-based solution for vehicles such as the Ford Mustang, Ford Crown Victoria, Mercury Grand Marquis, and Ford Explorer, where correct thread size, seat style, and wheel-to-lug interface are critical for safe installation. Part number 713-275A is also listed for classic and late-model applications across the 1973-2014 model years shown in the fitment data.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Solve

• Worn, rounded, or damaged lug nuts
• Missing or mismatched wheel lock hardware
• Loose wheel appearance caused by incorrect lug nut style
• Fitment issues from using the wrong thread pitch or seat angle
• Security concerns on vehicles with exposed wheels

Installation Notes and Tips

• Verify the wheel mating surface before installation to confirm the 60-degree conical seat is correct.
• Confirm the vehicle uses 1/2-20 right-hand threads before ordering or installing.
• Use the included wheel lock key only with the locking lug nuts in this set.
• Torque lug nuts to the vehicle manufacturer’s specification in a star pattern.
• Check clearance and seating on steel or aluminum wheels where noted in the fitment data.

Quality Assurance

Dorman states that these wheel nuts are tested for strength, longevity, and safety. The carbon steel construction and black chrome finish support dependable service on applications including Ford Mustang, Ford Explorer, and Mercury Grand Marquis fitments listed for Dorman 713-275A.