Dorman Autograde Wheel Lug Nut M12-1.50 Flattop 19mm Hex for Buick Chevrolet GMC Oldsmobile Pontiac 611-089

Wheel lug nuts for 1980-1996 Buick Chevrolet GMC Oldsmobile and Pontiac models used to replace worn or failing factory two-piece lug nuts that warp or swell.

Built to meet the manufacturer's design intent for reliable service with a one-piece carbon steel construction that eliminates the failure-prone veneer found on original equipment.

Key Features

• M12-1.50 thread size with flattop design
• 19mm hex head for standard tool compatibility
• 32mm overall length
• One-piece carbon steel build prevents swelling
• Direct OE fit and function replacement
• Sold as a 10-piece set

Benefits

• Prevents wheel damage caused by stuck or swollen factory nuts
• Eliminates difficulty in removal due to warped two-piece designs
• Resists moisture intrusion that causes cover bulging
• Ensures secure wheel attachment with durable materials
• Reduces risk of repeat repairs and future replacement needs
• Restores proper torque specifications for safe driving

Application

Ideal for owners of older GM vehicles experiencing stripped, swollen, or impossible-to-remove factory lug nuts that threaten wheel integrity during tire changes.

Fitment Notes

• Compatible with Buick models from 1980 to 1996
• Compatible with Chevrolet models from 1982 to 1990
• Compatible with GMC models from 1982 to 1987
• Compatible with Oldsmobile models from 1988 to 1994
• Compatible with Pontiac models from 1980 to 1989
• Replaces GM part numbers 9591665 14041926 10051395 25551239 9591663 and 14102374

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function
• Built with quality materials and validated through testing to stand up to daily driving demands
• Backed by decades of automotive aftermarket experience and a focus on durability
• Helps ensure smoother installation and reliable results for long-lasting fixes

What's in the Box

• 10 Piece Wheel Lug Nut Set

Item Dimensions

• 3.7 inches x 2.4 inches x 2.2 inches
• Weight 1.2 lbs