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Item #:
42936090
CURT Manufacturing 57674 4 Way Flat to Both 7 Way Round and 4 Way Flat Adaptor
85% of respondents would recommend this to a friend
Item #:
42936090
XPF 7009
Price Details
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*All items will import from US
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In stock
Imported from USA store
QTY:
Only 16 items left in stock.
Order now and get it around Thursday, October 01
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CURT offers a quick and simple solution in the form of an electrical adapter, allowing a connection between a mismatched trailer plug and vehicle socket.
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What Stands Out
Versatile Compatibility
Easily connects 4-way flat connectors to both 7-way round and 4-way flat, ensuring seamless integration with various trailers and towing setups.
Durable Design
Constructed with high-quality materials for long-lasting performance, this adaptor withstands tough conditions and delivers reliable connectivity on every journey.
User-Friendly Setup
Simple plug-and-play design allows for quick installation, making it easy for users of all experience levels to efficiently connect their towing equipment.
Product Details
Product Technical Details
| Manufacturer | Curt Manufacturing |
| Brand | CURT |
| Model | 4-Way Adapter |
| Item Weight | 1.1 pounds |
| Product Dimensions | 7 x 2 x 2 inches |
| Item model number | 57674 |
| Manufacturer Part Number | 57674 |
| OEM Part Number | 57674 |
What's in the box
4-Way Adapter
Who Should Buy?
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Towing Enthusiasts
Ideal for users who frequently tow trailers needing various towing connections, ensuring compatibility and ease of use.
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Diverse Hauling Needs
Perfect for truck owners who require multiple connections for different trailers, improving versatility during hauling operations.
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DIY Trailer Connectors
Suitable for hobbyists or DIYers who modify trailers and need reliable, adaptable wiring solutions for their projects.
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Casual Users
Not ideal for occasional users who do not require multiple connections, potentially introducing unnecessary complexity.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the CURT Manufacturing 57674 adaptor used for?
Answer: The CURT Manufacturing 57674 adaptor is designed to convert a 4-way flat trailer connector into both a 7-way round and another 4-way flat connector. This versatility allows you to connect different types of trailers to your vehicle with ease. For instance, if you have a utility trailer with a 4-way flat connector and a fifth-wheel trailer with a 7-way round connector, this adaptor makes it simple to switch between them without needing additional modifications. -
Question:
Is the CURT 57674 adaptor weatherproof?
Answer: Yes, the CURT 57674 adaptor is constructed with durable materials that are resistant to adverse weather conditions. This means you can use it in rain or shine without worrying about corrosion or damage. It’s particularly useful for outdoor applications, such as towing boats or utility trailers, where exposure to the elements is common. -
Question:
Can I use the CURT 57674 adaptor on all vehicle makes?
Answer: The CURT 57674 adaptor is compatible with most vehicles that come equipped with a standard 4-way flat connector. It is essential to check your vehicle's wiring before purchase, as some newer models might have unique wiring systems. This adaptor is particularly beneficial for those who frequently switch their towing needs between various trailers of different connectors. -
Question:
How do I install the CURT 57674 adaptor?
Answer: Installing the CURT 57674 adaptor is straightforward. Simply plug the 4-way flat connector from your vehicle into the adaptor, and then connect your trailer's connector into the appropriate port. Make sure everything fits securely to ensure proper function and safety. This simple installation can save you time and hassle when switching trailers for different activities. -
Question:
What types of trailers can I connect using this adaptor?
Answer: With the CURT 57674 adaptor, you can connect various types of trailers, including recreational vehicles, utility trailers, and more. Specifically, it accommodates both 7-way round and 4-way flat connectors, making it useful for a range of towing applications. For example, if you tow a boat on weekends and a utility trailer during the week, this adaptor allows you to seamlessly switch connections. -
Question:
Is the CURT 57674 adaptor suitable for heavy-duty use?
Answer: Yes, the CURT 57674 adaptor is built with robust materials, intended for heavy-duty performance. It can handle the electrical needs of larger trailers without compromising on functionality. Whether you're towing heavy equipment for work or a large camper for recreation, this adaptor ensures reliability and performance. -
Question:
What is the length of the CURT 57674 adaptor?
Answer: The CURT 57674 adaptor typically features a compact design that makes it easy to store and handle. While the exact length may vary slightly, its design ensures that it can reach a variety of trailer connectors without excessive slack or tangling. This is particularly useful when you're in tight spaces or need a clean, organized look when connecting your trailers. -
Question:
Does the CURT 57674 adaptor come with instructions?
Answer: Yes, the CURT 57674 adaptor usually includes clear instructions for installation and usage. These instructions help guide you through the connection process and ensure that you make the correct setup easily. If you’re unsure about how to install it, following the manual can assist in a straightforward installation, allowing you to use your trailers with confidence. -
Question:
Can I leave the CURT 57674 adaptor connected to my vehicle?
Answer: It is generally advisable not to keep the CURT 57674 adaptor connected when not in use to maintain the integrity of the connectors and prevent wear. However, if you frequently swap trailers, you may find it convenient to leave it attached. Just remember to check for any signs of wear over time to ensure everything continues to function properly. -
Question:
Where can I buy CURT Manufacturing 57674 4 Way Flat To Both 7 Way Round And 4 Way Flat Adaptor?
Answer: You can purchase the CURT Manufacturing 57674 adaptor on Ubuy. Ubuy offers a convenient platform for buying this product, ensuring that you get a quality product with a good shopping experience. Simply visit the Ubuy website and search for the CURT 57674 adaptor to make your purchase.
CURT Wiring 57674 Editorial Review
The CURT 57674 Dual-Output 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter with Tester is a well-built product with features such as LED lights for diagnostics and a visual indication that signals from the vehicle are getting to the back, which aids in troubleshooting. It is also easy to mount and has both 4-pin and signal check LEDs built in. Customers have reported having trouble with the backup light feature and some have noticed a noticeable power draw from the red test LED staying on all the time. However, overall, the product has had positive feedback.
Customer Reviews & Ratings
276 customers ratings
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5 Star
79%
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4 Star
11%
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3 Star
5%
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2 Star
1%
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1 Star
4%
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Pros
- LED lights for diagnostics
- Visual indication that signals from the vehicle are getting to the back
- Easy to mount and install
- Has 4-pin and signal check LEDs built in
- High quality
Cons
- Trouble with backup light feature
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XPF 7009
Order now and get it around Thursday, October 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 16 items left in stock.
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Features & Benefits
- CURT provides electrical adapters for mismatched trailer and vehicle connections.
- Adapters accommodate various types of plugs and sockets (4-way flat, 7-way RV blade, etc.).
- Easy installation with no additional wiring required for most products.
- Includes an integrated electrical tester and necessary mounting hardware.
- Custom trailer hitches are vehicle-specific for seamless integration and reliability.
- Manufactured in the USA with durable and rust-resistant finishes.
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