CURT Automotive Electrical Plug: 4-Way Flat, IP67, Black, Powder Coated (MPN 56370)
SKU 3G-OTH-484650
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is CURT 56370 4-Way Flat plug used for?
The CURT 56370 is a 4-Way Flat automotive electrical plug designed for trailer lighting connections. It is commonly used on light-duty trailers, utility trailers, and boat trailers to power tail lights, turn signals, and brake lights. Its IP67 rating makes it suitable for outdoor and wet environments.
What are the specifications of CURT 56370?
The CURT 56370 is a 4-Way Flat plug with an IP67 rating, meaning it is dust-tight and protected against temporary water immersion. It features a black powder-coated finish for corrosion resistance. The manufacturer part number is 56370. It is designed for fleet and vehicle maintenance applications.
Where to buy CURT 56370 worldwide?
3G Electric supplies the CURT 56370 4-Way Flat plug to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this part.
How to install a CURT 4-Way Flat plug?
To install a CURT 4-Way Flat plug, first disconnect the vehicle battery. Strip the trailer wiring ends, match wire colors to the plug terminals (typically white for ground, brown for tail, yellow for left turn, green for right turn), and crimp or solder connections. Seal with heat shrink or dielectric grease to maintain the IP67 rating.
Used in
Common applications for CURTCURT Products
3G Electric supplies CURT fleet and vehicle maintenance. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









