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CURT 57251 7-Way Blade to 5-Way Flat Trailer Wiring Adapter, Plastic, 3 7/8 in - Fleet and Vehicle Maintenance
CURTFleet and Vehicle Maintenance

CURT 57251 7-Way Blade to 5-Way Flat Trailer Wiring Adapter, Plastic, 3 7/8 in

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

Brand
CURT
Item
57251 7-Way Blade to 5-Way Flat Trailer Wiring Adapter, Plastic, 3 7/8 in
Category
Fleet and Vehicle Maintenance
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CURT
Manufacturer Part Number
57251
Type
Plastic
Overall Lg
3 7/8 in
Flat
5-Way

Technical Documents

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CURT Products
3G Electric (S) Pte. Ltd. — Singapore

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.

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 CURT
Fleet maintenance — CURT Box End Wrench (MPN 20001) for tightening hitch bolts and trailer fasteners
Construction site security — CURT Automotive Hitch Lock (MPN 23666) for securing equipment trailers and tool boxes
Warehouse operations — CURT cable locks for temporary locking of roll cages or pallet racks
Field service — CURT wrenches for on-site repair of towing equipment on service vehicles
Event logistics — CURT hitch locks for securing temporary barriers or stage equipment
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CURT 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.

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