Dorman 611-139 Wheel Lug Nut - Front or Rear

Durable Steel Wheel Lug Nuts for Buick and Chevrolet Models

The Dorman 611-139 wheel lug nuts provide reliable fastening for a range of GM vehicles including Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with precision, these lug nuts ensure secure wheel attachment with a conical seat and fine thread specifications.

• Material: High-strength steel construction for durability
• Thread Direction: Clockwise for standard installation
• Thread Type: Fine thread with 12 mm diameter and 1.5 pitch
• End Type: Dometop capped nut for protection against corrosion
• Seat Style: 60-degree conical seat for proper wheel fitment
• Hex Size: 19 mm for compatibility with common lug wrenches
• Overall Length: 1.299 inches for secure engagement
• Package Contents: Set of 10 wheel lug nuts

Technical Details and Compatibility

The Dorman 611-139 lug nuts are engineered to meet the specifications required by various GM vehicles, including Buick models like the Regal and Skylark, Chevrolet models such as the Century and Impala, Oldsmobile vehicles including the Cutlass and Omega, and Pontiac models like the Grand Prix and Firebird. These lug nuts feature a fine thread type with a 12 mm diameter and 1.5 thread pitch, ensuring a precise fit. The conical seat style at 60 degrees provides proper seating against the wheel, reducing the risk of loosening or damage. The dometop capped design helps protect the threads from dirt and corrosion, extending the service life of the lug nuts.

Applications and Problem Solving

• Replacement of worn or damaged wheel lug nuts on compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles
• Ensuring secure wheel attachment to prevent wheel vibration or loosening
• Protecting wheel studs from corrosion and thread damage
• Maintaining proper torque and fitment for safe driving conditions
• Restoring factory specifications for wheel hardware on classic and late-model GM cars

Installation Notes and Tips

When installing the Dorman 611-139 wheel lug nuts, ensure the threads are clean and free of debris. Use a 19 mm socket or lug wrench to tighten the nuts in a star pattern to the manufacturer’s recommended torque specifications. Avoid over-tightening to prevent damage to the wheel studs or lug nuts. These lug nuts do not require a wheel lock key, simplifying installation and removal. Regularly inspect lug nuts for signs of wear or corrosion to maintain safe wheel attachment.

Quality Assurance and Warranty

Dorman wheel lug nuts are manufactured to meet or exceed OEM standards for fit, form, and function. Made from durable steel with a protective dometop cap, these lug nuts offer reliable performance under normal driving conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. For detailed warranty information, refer to Dorman’s official documentation or contact the manufacturer directly.