Dorman 42161 Headlight Adjusting Screw

Headlight Adjusting Screw for OE-Style Alignment

Dorman 42161 is a specific-fit headlight adjusting screw built to match the fit and function of the original part on listed vehicles. It is made from metal and plastic materials for reliable adjustment of sealed beam headlamp assemblies.

Compatible With Chevrolet Express, GMC Savana, Chevrolet Camaro, Pontiac Firebird, and other listed applications, this headlight adjusting screw supports accurate beam aiming on vehicles that use screw-on adjustment hardware. Part number 42161 is also cross-referenced to 421612 and 557057 for the same application.

Key Features

• Specific-fit replacement for selected vehicles
• Designed for sealed beam headlight systems
• Adjustable screw-on attachment method
• Constructed from metal and plastic materials
• Matches original part fit and function
• Fits applications such as Chevrolet Express 1500, 2500, and 3500; GMC Savana 1500, 2500, and 3500

Detailed Description

This Dorman headlight adjusting screw is engineered for vehicles that require precise headlamp alignment through a screw-adjustment design. It is a direct replacement style part for restoring proper headlight aim on compatible Chevrolet, GMC, Pontiac, Buick, Oldsmobile, Cadillac, and related models. Use part number 42161 when replacing worn, damaged, or missing headlight adjusters on sealed beam headlight assemblies.

Vehicle coverage includes long-tail fitment searches such as headlight adjusting screw for 1996-2017 Chevrolet Express 2500, headlight adjusting screw for 1996-2017 GMC Savana 3500, and headlight adjusting screw for 1993-2001 Chevrolet Camaro. It also applies to select Chevrolet Blazer, Impala, Monte Carlo, S10, Corvette, and Pontiac Firebird applications listed in the fitment data.

What It Helps Fix

• Loose or broken headlight aiming hardware
• Improper headlamp beam height or alignment
• Missing adjuster screws during headlight service
• Difficulty setting sealed beam headlight aim
• Restoration of original-style headlight adjustment function

Installation Notes and Tips

Install on the specified vehicle and headlight type only. This part uses a screw-on attachment method and is intended for sealed beam headlight systems. Verify the existing adjuster style and mounting points before installation, and compare the original hardware to Dorman 42161 for proper fit. Installation hardware is not included.

Quality Assurance

Dorman designs this replacement part to match original fit and function on the listed applications. The part is built from quality materials for dependable performance in headlight adjustment service.