Dorman 645-538 Turn Signal Light Socket

Brand Dorman 645-538
Connector Color Gray
Connector Gender Female
Connector Shape Round
Overall Length 5.43 in
Package Contents 1 Socket
Terminal Design Socket
Terminal Gender Female
Terminal Material Tin Plate (Tin Brass)
Terminal Quantity 2
Terminal Type Blade
Water Resistant No
Wire Pigtail Included No
Wire Quantity 0
Fits Mazda · 6 vehicles

OE-style fit. Matches the original socket's fit and function for straightforward replacement.

Blade terminals. Two tin-plated terminals help ensure a secure electrical connection.

Round connector. Female connector design with a gray housing for a clean, simple install.

Cross-references GK2A510H8 for the same application. See all 1.

$54.46Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $54.46
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Turn Signal Socket for Mazda 6

Dorman 645-538 is a turn signal light socket built to match the original fit and function on specified vehicles. It is a direct replacement for the factory socket used on 2003-2008 Mazda 6 models with a female terminal gender, helping restore a secure electrical connection at the lamp assembly.

  • Direct replacement turn signal light socket for specified applications
  • Gray round connector with female connector gender
  • 2 blade terminals with tin-plated terminal material
  • Overall length: 5.43 in
  • Designed for OE-style fit and function
  • Compatible with 2003-2008 Mazda 6 turn signal socket applications

Detailed Product Overview

This Dorman turn signal light socket, part number 645-538, is engineered for durability and reliable performance in the original socket location. It uses a round gray connector, blade terminals, and a socket-style terminal design to match the factory electrical interface on the Mazda 6. This part cross-references GK2A510H8 for the same application.

For drivers searching for a 2003-2008 Mazda 6 turn signal light socket replacement, Dorman 645-538 provides a direct-fit solution that supports proper bulb connection and consistent electrical contact. It is a practical choice when the original socket is damaged, heat affected, or no longer holding a stable connection.

Common Issues This Part Can Help Solve

  • Intermittent turn signal operation caused by a worn socket
  • Electrical connection problems at the lamp assembly
  • Heat-related socket damage or terminal wear
  • Loose or unreliable bulb retention at the connector
  • Corrosion or contact issues in the original socket

Installation Notes and Tips

Verify the connector shape, terminal count, and terminal gender before installation. This part is listed for 2003-2008 Mazda 6 applications with female terminal gender, so confirm the original socket matches those details before replacement. Inspect the lamp housing and wiring condition during service to ensure the new socket seats correctly and makes a clean electrical connection.

Quality Assurance

Dorman manufactures this socket as an OE-style replacement focused on fit, function, and dependable performance. The design follows the original application requirements for the specified Mazda 6 vehicles.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008Mazda6N/ATerminal Gender: Female
2007Mazda6N/ATerminal Gender: Female
2006Mazda6N/ATerminal Gender: Female
2005Mazda6N/ATerminal Gender: Female
2004Mazda6N/ATerminal Gender: Female
2003Mazda6N/ATerminal Gender: Female
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
GK2A510H8