Dorman

Dorman 645-748 License Plate Light Socket

Brand Dorman 645-748
Overall Length 15 in
Package Contents 1 Bulb Socket With Attached Wiring Harness
Terminal Design Pin
Terminal Gender Female
Terminal Material Plastic
Water Resistant No
Wire Pigtail Included Yes
Fits Dodge · 26 vehicles

OE direct replacement. Matches the fit and function of the original socket.

Attached wiring harness. Includes a ready-to-use pigtail for easier installation.

Pin terminals. Female plastic terminals provide a secure electrical connection.

Cross-references Standard Ignition S-1940, 5179988AA and PT1439 for the same application. See all 3.

$34.28Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $34.28
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 645-748 License Plate Light Socket

Dorman 645-748 is a license plate light socket built to match the original socket’s fit and function on specified vehicles. It uses a pin-style female terminal design with a 2-wire pigtail and attached wiring harness for a direct replacement approach on select Dodge Ram trucks.

Key Features

  • OE-style license plate light socket for factory-style replacement
  • Pin terminal design with female terminal connection
  • Includes attached wiring harness and wire pigtail
  • Overall length: 15 in
  • Plastic terminal material for standard electrical use
  • Designed for durability and reliable performance

Detailed Description

This Dorman license plate light socket is engineered to match the fit and function of the original part on specified applications. Part number 645-748 is a practical replacement for worn, damaged, or corroded license plate lamp sockets on 1994-2001 Dodge Ram 1500, 1994-2002 Dodge Ram 2500, and 1994-2002 Dodge Ram 3500 models. It cross-references Dorman 645-748 for the same application and also references Standard Ignition S-1940.

Built with a pin terminal layout, female terminal connection, and a 2-wire harness, this socket supports a straightforward electrical repair where the original connector has failed. The attached wiring harness helps simplify replacement of the license plate light socket on Dodge Ram 1500, Ram 2500, and Ram 3500 trucks across the listed model years.

What It Helps Fix

  • Inoperative license plate light caused by a failed socket
  • Corrosion or heat damage at the original bulb connector
  • Broken or loose electrical connection at the rear lamp area
  • Intermittent license plate illumination from worn terminals
  • Damaged wiring pigtail at the socket end

Installation Notes

Verify the vehicle year and model before installation. This part is listed for 1994-2001 Dodge Ram 1500, 1994-2002 Dodge Ram 2500, and 1994-2002 Dodge Ram 3500 applications. Confirm the terminal style, wire count, and socket length match the original component before connecting the harness.

Quality Assurance

Dorman designs this socket to match original fit and function on the specified vehicles and to provide dependable service in routine electrical repair applications.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002DodgeRam 2500N/A
2002DodgeRam 3500N/A
2001DodgeRam 1500N/A
2001DodgeRam 2500N/A
2001DodgeRam 3500N/A
2000DodgeRam 1500N/A
2000DodgeRam 2500N/A
2000DodgeRam 3500N/A
1999DodgeRam 1500N/A
1999DodgeRam 2500N/A
1999DodgeRam 3500N/A
1998DodgeRam 1500N/A
1998DodgeRam 2500N/A
1998DodgeRam 3500N/A
1997DodgeRam 1500N/A
1997DodgeRam 2500N/A
1997DodgeRam 3500N/A
1996DodgeRam 1500N/A
1996DodgeRam 2500N/A
1996DodgeRam 3500N/A
1995DodgeRam 1500N/A
1995DodgeRam 2500N/A
1995DodgeRam 3500N/A
1994DodgeRam 1500N/A
1994DodgeRam 2500N/A
1994DodgeRam 3500N/A
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — S-19405179988AAPT1439