Dorman 42122 Headlight Adjusting Screw

Reliable Headlight Adjustment for Select GM Vehicles

The Dorman 42122 headlight adjusting screw provides precise alignment for sealed beam headlights on specific Buick, Cadillac, and Pontiac models. Designed for exact fitment, this adjustable screw ensures your headlights maintain proper aim and visibility.

• Material: Combination of durable metal and plastic components
• Adjustable design for accurate headlight positioning
• Compatible with sealed beam headlight types
• Screw-on attachment method for secure installation
• Package includes 4 headlight adjusting screws

Product Details and Compatibility

The Dorman 42122 headlight adjusting screw is engineered specifically for use with sealed beam headlights on a range of GM vehicles, including Buick Bonneville, Century, LeSabre, and Skylark; Cadillac DeVille, Eldorado, Fleetwood, and Riviera; as well as Pontiac Firebird, Grand Am, Grand LeMans, Grand Prix, GTO, LeMans, and Tempest models. This part features a metal and plastic construction that balances strength and flexibility, allowing for precise adjustment without compromising durability. The screw-on attachment method ensures a secure fit, although installation hardware is not included. Sold in sets of four, these screws provide a complete solution for adjusting both headlights on your vehicle.

Common Uses and Problem Resolution

• Correcting misaligned sealed beam headlights
• Replacing worn or damaged headlight adjusting screws
• Restoring proper headlight aim for improved road visibility
• Ensuring compliance with vehicle lighting regulations
• Maintaining consistent headlight performance on Buick, Cadillac, and Pontiac models

Installation Notes and Tips

Installation of the Dorman 42122 headlight adjusting screw requires basic hand tools and familiarity with headlight assembly components. Since installation hardware is not included, retain original fasteners or source compatible hardware separately. Adjust the screws carefully to achieve the correct headlight aim, referencing your vehicle’s service manual for alignment specifications. This part is designed for sealed beam headlights only and is specific to the listed Buick, Cadillac, and Pontiac models.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 42122 headlight adjusting screw undergoes quality checks to ensure reliable performance and durability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.