CURT Automotive Electrical Adapter: 7-Way Blade, 5-Way Flat, Plastic
The CURT Automotive Electrical Adapter (MPN 57251) is a 7-way blade and 5-way flat adapter made of plastic with an overall length of 3 7/8 inches. 3G Electric interprets customer demand and delivers genuine…
SKU 3G-OTH-484767
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Product Description
The CURT Automotive Electrical Adapter (MPN 57251) is a 7-way blade and 5-way flat adapter made of plastic with an overall length of 3 7/8 inches. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CURT 57251 automotive electrical adapter used for?
The CURT 57251 adapter connects a 7-way blade vehicle socket to a 5-way flat trailer plug, enabling towing of trailers with flat-4 or flat-5 wiring. It is commonly used for utility trailers, boat trailers, and small RVs in fleet and vehicle maintenance applications.
What are the specifications of the CURT 57251 adapter?
The CURT 57251 is a plastic adapter with a 7-way blade input and a 5-way flat output. Its overall length is 3 7/8 in. The manufacturer part number is 57251. It is designed for automotive electrical systems and is compatible with standard 7-pin and 5-pin trailer connectors.
Where to buy the CURT 57251 adapter worldwide?
3G Electric supplies the CURT 57251 adapter worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source genuine CURT parts and support fleet maintenance needs across 14 departments, including electrical and vehicle maintenance.
How to install the CURT 57251 7-way to 5-way adapter?
To install the CURT 57251, simply plug the 7-way blade end into your vehicle's 7-pin socket and connect your trailer's 5-way flat plug to the adapter. Ensure the connection is secure and free of corrosion. For best performance, periodically clean contacts with electrical contact cleaner and verify proper ground.
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.









