Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Towing Equipment› Trailer Wiring and Electronics

Curt

4-WAYFLATTOBOTH6-WAYROUND

Name: 4-WAYFLATTOBOTH6-WAYROUND
Brand: Curt
SKU: C00D 57624

$29.79

SKU: C00D 57624

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Easy — 1–2 hours

Overview

The Curt 57624 is a duplex electrical adapter designed to convert a vehicle's 4-way flat socket to fit both 4-way flat and 6-way round trailer plugs. This adapter allows for the connection of tail lights, brake lights, and turn signals, as well as electric brakes and auxiliary power. It features a simple plug-and-play design with some manual wiring required, and includes an integrated LED tester to confirm proper function. Mounting bracket and hardware are also included.

Show original supplier description

4-WAYFLATTOBOTH6-WAYROUND

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

Brand	Curt
Part Number	C00D 57624

Videos

CURT 57672 Duplex Electrical Adapter

CURT Custom Wiring & Taillight Converters Introduction

5,000+ Trusted brands

1M+ Enthusiasts

5M+ Parts sold

(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy