The CURT Electrical Adapter allows a connection to be made between a mismatched trailer plug and vehicle socket. It easily plugs in your vehicle’s electrical socket and usually requires no additional wiring. This CURT Adapter allows a 7-way round vehicle socket to fit a 4-way flat trailer plug. It is constructed from quality plastic and requires no splicing. All CURT wiring and electrical products come with a one-year mfr. limited warranty to give you the assurance you need to tow with confidence.
• Adapts a 7-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 taillights, brake lights, and turn signals
Before You Order
Verify part number 57041 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 57041 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.










