Dorman Autograde Wheel Lug Nut M12-1.50 Flattop 19mm Hex for Buick Chevrolet Dodge GMC Oldsmobile Plymouth 611-090

Wheel lug nuts for 1982-1991 Buick Chevrolet Dodge GMC Oldsmobile and Plymouth vehicles used to replace worn or failing factory two-piece lug nuts that swell and seize.

Built to meet the manufacturer's design intent for reliable service, this replacement features a durable one-piece carbon steel construction that eliminates the thin veneer and moisture traps found in original equipment, preventing bulging and ensuring easier removal during tire changes.

Key Features

• M12-1.50 thread size with flattop design
• 19mm hex head for standard tool compatibility
• 32.5mm overall length
• One-piece carbon steel build prevents swelling
• Direct replacement for OE part numbers including GM 14091999 and Chrysler 4467866
• Sold as a 10-piece set

Benefits

• Prevents lug nut swelling that damages wheels during removal
• Eliminates the risk of seized nuts caused by moisture under chrome caps
• Ensures proper torque application with accurate hex dimensions
• Reduces long-term maintenance costs by avoiding wheel damage
• Restores factory appearance with a clean flattop profile
• Provides a permanent fix for failure-prone two-piece OEM designs

Application

Ideal for owners of older GM and Chrysler vehicles experiencing swollen lug nuts, stripped hex heads, or difficulty removing wheels due to corroded two-piece factory hardware.

Fitment Notes

• Compatible with select Buick models from 1986
• Fits Chevrolet and GMC trucks and SUVs from 1982 to 1991
• Matches Dodge and Plymouth vehicles from 1985 to 1989
• Covers Oldsmobile models from 1982 to 1990
• Verify thread pitch M12-1.50 before installation

Why Choose Dorman?

• Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function
• Backed by decades of automotive aftermarket experience and quality engineering
• Built with quality materials and validated through testing to stand up to daily driving demands
• Helps reduce the risk of repeat repairs with proven aftermarket solutions

What's in the Box

• 10 Wheel Lug Nuts

Item Dimensions

• 3.7in x 2.4in x 2.2in
• Weight 1.1lbs