Trailer-&-Towing-Accessories > Towing-Electrical > Trailer-Wire-Connections > Trailer-Plug-Adapters

CURT Electrical Adapter (6-Way Round Vehicle to 4-Way Flat Trailer)

6-Way Round to 4-Way Flat

Electrical Adapter (6-Way Round Vehicle to 4-Way Flat Trailer)


  • Adapts a 6-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
73010DL CURT 57620, 6-Way Round Vehicle Side to 4-Way Flat Trailer Wiring Adapter (1 MIN) Sale Price: 5.38100
11.56100 11.56 I 9.94600 9.95 I 8.13600 8.14
1 EA
CURT57621 CURT 57621, 6-Way Round Vehicle Side to 4-Way Flat Trailer Wiring Adapter in Packaging (1 MIN) 7.09 1 EA

CURT Electrical Adapter with Tester (6-Way Round Vehicle to 4-Way Flat Trailer)

6-Way Round to 4-Way Flat

Electrical Adapter with Tester (6-Way Round Vehicle to 4-Way Flat Trailer)


  • Adapts a 6-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
  • LED tester confirms proper function of vehicle-side wiring connector
  • Dust cover keeps connector clean when not in use
  • All CURT items have a 15% restocking fee
Item Description Price Qty in
Package 		Add to Cart
CURT57627 CURT 57627, 6-Way Round Vehicle-Side to 4-Way Flat Trailer Wiring Adapter with Tester (1 MIN) 9.65 1 EA
Prop65 Warning