Description
Product Overview
The Dorman 42405 Headlight Retaining Ring is engineered to match the original equipment specifications for a seamless replacement. Constructed from high‑quality machined metal, the ring offers superior strength and resistance to corrosion, ensuring a long service life. With dimensions of 8.25 x 7.25 x 1.25 inches and a lightweight design of just 0.32 ounces, it fits precisely into the headlamp assembly, maintaining proper bulb alignment and preventing premature wear.
Usage
Designed for both professional mechanics and DIY enthusiasts, this retaining ring is ideal for restoring headlight functionality after collision damage, moisture intrusion, or vibration‑induced failure. Install it in a variety of vehicle makes and models that use the OEM part number 42405. The straightforward installation process saves time in the service bay and gets the vehicle back on the road quickly. 
Why Choose Us
Dorman brings over a century of automotive expertise to every component, and the 42405 retaining ring is no exception. Backed by a team of product specialists in the United States, each ring undergoes rigorous quality testing to meet strict industry standards. Our commitment to durability, precise fit, and reliable performance makes this part the trusted choice for service professionals and vehicle owners alike.
Key Features
- Direct replacement that matches OEM specifications for a perfect fit
- Machined metal construction provides strength and corrosion resistance
- Lightweight design simplifies handling and installation
- Restores headlight alignment and prevents bulb vibration
- Endorsed by mechanics and backed by Dorman’s extensive automotive experience
FAQ
Is this retaining ring compatible with my vehicle?
The Dorman 42405 is designed to replace the original part number 42405. Check your vehicle’s service manual or contact Dorman support with your make and model to confirm compatibility.
What tools are needed for installation?
Installation typically requires basic hand tools such as a screwdriver and a trim removal tool. No specialized equipment is necessary.
Can I install this part myself?
Yes, the ring is a direct‑fit replacement and is suitable for DIY installation. Follow the included instructions or consult a repair guide for your specific vehicle.
How does the machined metal improve durability?
Machining creates precise tolerances and a smooth surface that resists wear and corrosion, extending the part’s lifespan compared to stamped or plastic alternatives.
What is the warranty on this product?
Dorman offers a limited warranty that covers manufacturing defects. Refer to the warranty card included with the product for full details.
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