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CURT Electrical Adapter Wiring Harness (4-Way Round Vehicle to 4-Way Flat Trailer)

CURT Electrical Adapter Wiring Harness 4-Way Round Vehicle to 4-Way Flat Trailer

CURT Electrical Adapter Wiring Harness (4-Way Round Vehicle to 4-Way Flat Trailer): Simplify Your Trailer Connections

The CURT Electrical Adapter Wiring Harness effortlessly adapts a 4-way round vehicle socket to accommodate 4-way flat trailer plugs, making it a convenient and reliable solution for your towing needs. With a plug-and-play design, this adapter eliminates the hassle of cutting or splicing wires, ensuring a quick and seamless installation process.

Designed for functionality, the 4-way flat output connects essential trailer functions such as tail lights, brake lights, and turn signals. A durable slit loom protects the wires, keeping them securely contained and shielded from wear and environmental damage. Perfect for a wide range of towing applications, this adapter combines ease of use with trusted CURT quality.

Note: All CURT items are subject to a 15% restocking fee.


  • Adapts a 4-way round vehicle socket to fit 4-way flat trailer plugs
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • Slit loom keeps wires contained and well protected
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT57224 CURT 57224, 4-Pin Round Vehicle-Side to 4-Way Trailer Wiring Adapter (1 MIN) 4.90 1 EA
CURT57225 CURT 57225, 4-Pin Round Vehicle-Side to 4-Way Trailer Wiring Adapter in Packaging (1 MIN) 5.95 1 EA

CURT Electrical Adapter (4-Way Round Vehicle to 4-Way Flat Trailer)

CURT one piece Electrical Adapter 4-Way Round Vehicle to 4-Way Flat Trailer

CURT Electrical Adapter (4-Way Round Vehicle to 4-Way Flat Trailer): Simple and Reliable Trailer Connections

The CURT Electrical Adapter seamlessly converts a 4-way round vehicle socket to a 4-way flat trailer plug, making it a practical solution for towing applications. Its plug-and-play design ensures quick and easy installation, eliminating the need for cutting or splicing wires.

With a 4-way flat output, this adapter connects key trailer functions, including tail lights, brake lights, and turn signals, providing reliable performance for your towing needs. Designed for simplicity and durability, this CURT adapter is a must-have for versatile and efficient vehicle-to-trailer connections.

Note: All CURT items are subject to a 15% restocking fee.


  • Adapts a 4-way round vehicle socket to fit 4-way flat trailer plugs
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • All CURT items have a 15% restocking fee
Item Description Price
1+ I Ext. Price I 50+ Ext. Price I I 100+ Ext. Price I
Qty in
Package 		Add to Cart
73014 CURT 58414, Trailer Adapter, 4-Way Round Pin Style to 4-Way Flat Molded Connector (1 MIN) Sale Price: 4.25700
5.81700 5.82 I 4.54400 4.54 I 4.32600 4.33
1 EA
Prop65 Warning