Dorman 645-107 Headlight Socket

Dorman 645-107 Headlight Socket

Dorman 645-107 is a replacement headlight socket built to match the original equipment fit and terminal count for specified vehicles. It uses quality materials and corrosion-resistant contacts to support dependable electrical connection in the headlamp circuit.

Key Features

• OE-style replacement headlight socket for specified applications
• Black round connector with H4 bulb base type
• Brass and PA6 terminal materials for durable electrical contact
• Blade terminal design with male/female connector and terminal gender
• No retainer, wire harness, or weather-resistant housing included
• Overall length: 39.67 mm

Detailed Description

This Dorman headlight socket, part number 645-107, is made for vehicles that use an H4 bulb base and a round connector layout. It is a direct-fit electrical socket replacement for Acura TSX, Acura RL, Honda CR-V, and Honda Prelude applications listed below, with fitment covering 1996-2008 model years. The socket is designed to restore a secure connection at the headlamp and maintain proper terminal engagement where the original socket has worn, heat-damaged, or corroded.

This part cross-references 33116SD4961 for the same application.

Vehicle Fitment

• Fits 2004-2008 Acura TSX, N/A
• Fits 2005-2006 Honda CR-V, N/A
• Fits 1996-2004 Acura RL, N/A
• Fits 1997-2001 Honda Prelude, N/A

What It Helps Fix

• Intermittent headlight operation caused by a worn socket
• Heat-related damage at the bulb connector
• Corrosion at the electrical terminals
• Loose or unreliable contact at the H4 bulb base
• Connector failure on aging Acura and Honda headlamp wiring

Installation Notes and Tips

Verify the bulb base type, connector shape, and terminal count before installation. Compare the original socket to Dorman 645-107 to confirm the round connector style and H4 application. Inspect the vehicle-side wiring for heat damage or corrosion before connecting the replacement socket, and transfer only the wiring configuration required by the vehicle.

Quality Assurance

Dorman manufactures this replacement socket with corrosion-resistant contacts and materials selected for reliable electrical service. It is built as an OE-style replacement for the listed Acura and Honda applications.