Headlight Adjusting Screw Dorman Universal Fit 42185 Multi-Color

Description

Product Overview

The Dorman headlight adjusting screw is engineered as a direct replacement for factory‑original screws on numerous makes and models. Constructed from high‑grade machined metal, the component delivers exceptional durability and resistance to fatigue, ensuring the headlight remains precisely aligned over the vehicle’s service life. With a compact size of 5.5 x 1.75 x 1.5 inches and a negligible weight of 0.01 ounces, the screw fits seamlessly into the front‑end assembly without requiring modifications. It carries multiple OEM part numbers—including 421852, 55054621, 55054621AB, and D8BZ 13032‑B—so it matches the exact specifications of the original equipment. The universal fit design means it can be used across a broad spectrum of vehicles, from older sedans to newer crossover models, making it a versatile solution for both professional mechanics and DIY enthusiasts. The part is packaged individually, ensuring that each screw arrives in pristine condition, ready for immediate installation. Customer reviews consistently rate the product at 4.6 out of 5 stars, reflecting its reliability and ease of use. As a best‑seller in the automotive headlight adjusting screws category, this Dorman component has earned a reputation for quality and value.

Usage

This adjusting screw is intended for use in the front lighting system of automobiles, trucks, and light‑duty vehicles where precise headlight aim is critical for safety. Installation typically involves removing the existing screw, cleaning the mounting area, and inserting the new Dorman screw using standard hand tools. Because the part is a universal fit, it can be applied to a wide range of vehicle platforms without the need for specialized adapters. The screw is especially useful in situations where the original component has become stripped, broken, or simply worn out due to repeated adjustments. Whether you are performing a routine maintenance task, repairing damage after a minor collision, or upgrading the lighting system for better performance, this screw provides a reliable solution. It is also an excellent choice for automotive hobbyists who enjoy customizing their vehicle’s lighting geometry, as the precise thread pitch allows for fine‑tuned adjustments. For professional service centers, the part’s consistent quality reduces the time spent on troubleshooting fit issues, enabling faster turnaround for customers.

Why Choose Us

Dorman has been a trusted name in the automotive aftermarket for over a century, delivering parts that meet or exceed original equipment standards. Our headlight adjusting screw benefits from rigorous testing, ensuring it can withstand the vibration, temperature fluctuations, and environmental exposure typical of vehicle operation. Each screw is manufactured in a controlled facility where quality control checks verify dimensions, thread integrity, and material hardness before the product leaves the factory. In addition to the robust construction, Dorman provides comprehensive customer support staffed by experienced technicians who can assist with fit verification, installation guidance, and warranty claims. Our commitment to after‑sales service means you receive prompt assistance should any issue arise, reinforcing confidence in the purchase. The product also carries a limited warranty that covers defects in material or workmanship, reflecting our confidence in its longevity. By choosing Dorman, you align with a brand that prioritizes safety, performance, and value, backed by a network of distributors and service centers across the United States.

Key Features

• Universal fit design eliminates the need for multiple part numbers, simplifying inventory and installation for any vehicle front‑end lighting system.
• Machined metal construction provides superior strength and resistance to wear, ensuring the headlight remains accurately aimed for years.
• Compact dimensions and lightweight profile allow for easy handling and fit into tight engine bay spaces without additional modifications.
• Direct replacement for OEM part numbers 421852, 55054621, and D8BZ 13032‑B, guaranteeing compatibility with original specifications.
• Backed by Dorman’s dedicated U.S. support team and a limited warranty, offering peace of mind and reliable after‑sales assistance.

FAQ

What vehicles are compatible with this headlight adjusting screw?

The screw is a universal fit part, meaning it is compatible with a wide range of makes and models that use the listed OEM part numbers. It works on many passenger cars, light trucks, and SUVs from the early 2000s to recent model years. To confirm exact compatibility, you can enter your vehicle’s year, make, and model into Dorman’s online fit guide or consult the product packaging for a detailed list.

Do I need special tools to install the screw?

No special tools are required. The screw uses standard thread dimensions that can be tightened or loosened with common hand tools such as a screwdriver or a small socket wrench. For best results, clean the mounting area, apply a light thread‑locking compound if desired, and follow the torque specifications provided in your vehicle’s service manual.

How does the material of this screw improve durability?

The screw is fabricated from high‑grade machined metal, which offers greater hardness and resistance to corrosion compared with stamped or plastic alternatives. This material choice helps the screw maintain its structural integrity under the constant vibration and temperature changes experienced in the engine compartment, reducing the likelihood of thread stripping or breakage.

What warranty does Dorman provide for this product?

Dorman offers a limited warranty that covers defects in material or workmanship for a specified period after purchase. If the screw fails due to a manufacturing issue, you can contact Dorman’s customer service with proof of purchase, and they will arrange a replacement or refund according to the warranty terms. This warranty underscores the confidence Dorman has in the product’s quality.

Can I use this screw for aftermarket lighting upgrades?

Yes, the screw is suitable for both OEM replacements and aftermarket lighting projects. Its precise thread pitch and robust construction make it an excellent choice for custom headlight assemblies, where accurate alignment and long‑term reliability are essential. Just ensure the aftermarket housing is compatible with the screw’s dimensions and mounting pattern.