SKU: 38034667769

CURT 57102 - Dual-Output Adapter with Backup Alarm (4-Way Flat to 7-Way RV Blade Trailer)

Sale price$45.00 Regular price$50.00
Save 10%

Pay in installments of $12.50 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 23 - Sep 28

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

CURT 57102 - Dual-Output Adapter with Backup Alarm (4-Way Flat to 7-Way RV Blade Trailer)There are several different types of connectors used to supply power from a tow vehicle's electrical system to a trailer's wiring system. Some trailers only need the bare essentials running lights, brake lights and turn signals while others require a connection for reverse lights, electric brakes and auxiliary power. With connectors ranging from simple to complex, it may be the case that the connection between your vehicle and your trailer is not a

There are several different types of connectors used to supply power from a tow vehicle's electrical system to a trailer's wiring system. Some trailers only need the bare essentials -- running lights, brake lights and turn signals -- while others require a connection for reverse lights, electric brakes and auxiliary power. With connectors ranging from simple to complex, it may be the case that the connection between your vehicle and your trailer is not a perfect match. For example, your truck may be equipped with a 6-way round socket, but your trailer may have a 4-way flat plug. For this very common problem, CURT offers a quick and simple solution in the form of an electrical adapter. An adapter is an electrical device that 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. CURT offers an array of adapters to accommodate most types of plugs and sockets, including 4-way flat, 4-way round, 5-way flat, 6-way round, 7-way RV blades and more. This special electrical adapter is actually designed to adapt a 4-way flat vehicle socket to fit multiple trailer plugs, including a 4-way flat and a 7-way RV blade. Some manual wiring is required. This multipurpose socket also comes with its own backup alarm, dust covers, a mounting bracket and all necessary mounting hardware for a complete installation. All CURT wiring and electrical products come with a one-year limited warranty to give you the assurance you need to tow with confidence.

Additional Attributes:

  • GTIN: 612314029587
  • Warranty: One-Year Limited Warranty
  • Rate Class - XA: 70.0
  • Item Class - XA: CME
  • Box Height in Inches - XA: 0
  • Item Length - XA: 0.000
  • Retail Width - XA: 8.000
  • Box Length in Inches - XA: 0
  • Item Width - XA: 0.000
  • Class ID: 0
  • Tariff 301 - XA: No
  • Finish - XA: N/A
  • Item Height - XA: 0.000
  • Retail Length - XA: 9.000
  • Product Weight - XA: 0.000
  • Parcel Allowed - XA: Yes
  • Retail Height - XA: 3.000
  • Shipping Weight - XA: 1.300
  • Box Width in Inches - XA: 0

Packaging:

  • Quantity of Each: 1
  • Package UOM: EA
  • Dimension: 9.000 x 8.000 x 3.000 inches
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38034667769

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 29 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
E
Verified Purchase
Endocrantz
Charlottesville, US
★★★★★ 4
Nice piece but not for BMW motorcycles
Solid filter wrench. My bad for not checking the fit. Way too big for BMW filter 11 00 1 341 616 on my motorcycle. Turns out I had one that fits anyway. How dumb was that? I didn't get to try it on anything but four stars for appearing to be a good solid tool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 7, 2024
C
Verified Purchase
Coldax
Phoenix, US
★★★★★ 5
2021 Volvo XC 40 T5R
Works perfectly. Be sure to tighten down with the proper torque!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2025
H
Verified Purchase
HEIDI
New York, US
★★★★★ 5
Fits Volvo xc90
Fits my Volvo xc90 2020
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 24, 2025
D
Verified Purchase
Destiny Voisine
Port Orchard, US
★★★★★ 5
It fit
BMW X1 2015. No problems at all. You won’t need any other cup unless you have more style euros.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2025
B
Verified Purchase
Brian Classen
Phoenix, US
★★★★★ 5
FRIENDLY REMINDER Don't overtighten the bolts
MUCH better than the cheap plastic OEM part, Just a reminder though, these thread into an aluminum block so be very careful to start them finger tight first, then evenly tighten both bolts to push the fitting into the chamber. If you don't, it will slightly misalign and you run the risk of stripping the threads. The one comes with the replacement o ring, and be sure to get some antifreeze on that seal prior to attempting to push it into the chamber. IT IS A TIGHT FIT, but that's what you want, so just be careful. You might also want an extra hose clamp on hand, as the one that came with this began to bend as it got tight, so I had to replace it for peace of mind. Overall, great product though.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026

recommand products