Dorman 42119 Headlight Adjusting Screw

Dorman 42119 Headlight Adjusting Screw

Dorman 42119 is a specific-fit headlight adjusting screw for sealed beam headlight systems. It is built from metal and plastic materials and matches the fit and function of the original part on specified vehicles, helping restore proper headlight aim on compatible Chevrolet and GMC applications.

Key Features

• Specific-fit replacement for original headlight adjusting screw applications
• Designed for sealed beam headlight systems
• Adjustable design for headlight alignment
• Constructed from metal and plastic materials
• Direct replacement for part numbers 421192 and 15705372
• Fits vehicles such as Chevrolet C1500, GMC K1500, and Chevrolet Tahoe with a 2 headlight system

Detailed Description

This headlight adjusting screw is engineered to match the original part’s fit and function on specified vehicles. It is used in sealed beam headlight assemblies where precise adjustment is needed to set beam height and direction. The Dorman 42119 part number is a practical OE-style replacement for service work on Chevrolet and GMC trucks and SUVs, including applications such as Chevrolet C2500, GMC C3500, and GMC Yukon.

This part cross-references 421192 and 15705372 for the same application. For buyers searching by vehicle, it is a direct-fit option for many Chevrolet C1500 and GMC K1500 models with a 2 headlight system, as well as select Tahoe and Yukon applications.

What It Helps Fix

• Broken or stripped headlight adjuster screw threads
• Improper headlight aim after front-end service
• Loose or non-functioning sealed beam headlight adjustment points
• Headlights that sit too high, too low, or out of alignment
• Replacement needs on aging Chevrolet and GMC lighting hardware

Installation Notes and Tips

Verify sealed beam headlight type and vehicle-specific fitment before installation. This is a specific-fit part, so confirm the year, make, model, and headlight system match the listed application. Installation hardware is not included. Use the existing service procedure for headlight aiming after replacement to ensure proper beam alignment.

Quality Assurance

Dorman designs this part to match original fit and function on specified vehicles and manufactures it from quality materials for reliable performance in service.