--- product_id: 291801667 title: "7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design" brand: "oyviny" price: "17423CFA" currency: XOF in_stock: true reviews_count: 13 category: "Oyviny" url: https://www.desertcart.sn/products/291801667-7-pin-round-to-4-and-5-pin-flat-blade store_origin: SN region: Senegal --- # Brass terminals for superior conductivity 7-pin to 4/5-pin 2-in-1 adapter Waterproof, heavy-duty nylon housing 7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design **Brand:** oyviny **Price:** 17423CFA **Availability:** ✅ In Stock ## Summary > 🚛 Elevate your towing game with the ultimate 2-in-1 adapter—never get stuck without the right plug! ## Quick Answers - **What is this?** 7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design by oyviny - **How much does it cost?** 17423CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/291801667-7-pin-round-to-4-and-5-pin-flat-blade) ## Best For - oyviny enthusiasts ## Why This Product - Trusted oyviny brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Secure Snap-In Fit:** No loose connections—firmly locks into your trailer’s socket for worry-free towing. - • **Versatile Compatibility:** Works flawlessly with Chevrolet, Ford, Toyota, RAM, GMC, and more—your all-in-one towing solution. - • **Rugged & Weatherproof Build:** Durable nylon casing and dust covers keep your connections safe rain or shine. - • **Effortless Plug & Play Setup:** Zero wiring or splicing needed; install or remove in seconds with ergonomic side handles. - • **Universal 2-in-1 Towing Adapter:** Seamlessly switch between 4-pin and 5-pin trailer connections with one sleek plug. ## Overview The Oyviny 7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter is a universal, heavy-duty towing accessory that converts a 7-way RV-style connector into 4-pin or 5-pin flat trailer plugs. Featuring waterproof nylon housing, brass terminals for optimal conductivity, and a secure snap-in design, it offers hassle-free installation and broad vehicle compatibility, making it the go-to adapter for professional-grade towing versatility. ## Description Product description 7 Way to 4 and 5 Way Flat Trailer Light Adapter This 7 to 4 pin trailer adapter converts the 7-way trailer connector on the vehicle to a 4-way or 5-way connector to match the trailer, so you can use this for anything from your wiring harnesses on your towing vehicles or boat trailers. Installation is super easy, just plug the 7 pin socket to your vehicle 7 way plug, and connect it to your trailer’s 4 way or 5 way plug, then you are ready to go. Simple plug-and-play eliminates the need for cutting or splicing. Key Features 7 Way Blade Connector 7 blade way vehicle side to 4-way or 5-way trailer adapter works fine with any factory OEM 7-way plug, suitable for Boat, RV, ATV, Chevrolet, Ford, Dodge, RAM, Toyota or GMC. 4 and 5 Way Trailer Output Trailer plug adapter 7-round to 4-flat combines 4 way plug with 5 way plug, and can be used by most trailers, easily convert 7 way Flat Blade into 5 way and 4 way round connector, allowing for versatile towing options. Durable Construction Both 4 pin and 5 pin socket come with rubber dust covers, which keeps terminals clean and protected when you are not towing a trailer. Long-lasting corrosion-resistant terminals and tin-plated contacts makes great conductivity. 7-Way Round Blade to 5 Pin Flat Adapter Specification Product material: plastic Cap material: rubber Number of insert cores: 5pin+4pin 7 way terminal: brass terminal 4 way and 5 way terminal: brass with tin-plated terminal Core wire square: 5x18AWG Voltage output: 12V Main function: to connect and transmit electrical signals between the tractor and the towed vehicle. Application range: commercial vehicle/trailer/RV/car/ship, etc. Package included:1 x 7Pin to 4/5Pin Trailer Plug Adapter Review: Easy install and quality - Solid made. Works no issues. Highly recommend Review: Perfect for accessories! - Functions as it should and suits my needs perfectly! ## Features - 7 Pin to 4 and 5 Pin Trailer Adapter: Oyviny trailer plug adapter adopts the 2 in 1 design, converts a 7 way RV-style connector to a standard 4-pin or 5-pin flat trailer connector, suitable for Chevrolet, Ford, Dodge, RAM, Toyota or GMC, Boat, Trailer, RV, ATV etc. - 7 Pin to 5 Pin Trailer Adapter: Tight-fitted 7 way to 5 way towing adapter features standard round 7-way flat blade connector, easily snaps into trailer's existing socket and holds securely, NO LOOSE FITTING - Durable Construction: Heavy duty nylon housing is waterproof and temperature resistant, Brass terminals provide superior conductivity; With 2 dust covers at the plug, it keeps terminals clean and protected when not in use towing a trailer - Easy Installation: Simple Plug & Play design eliminates the need for cutting or splicing, hassle free setup, easy to install and remove; 7 pin to 4 pin trailer adapter features two handles on either side of the plug for a better grip when plugging in or unplugging trailer wiring - Wide Application: 7 pin round to 4 pin flat trailer plug adapter works great with any factory OEM 7-way plug, you could choose to tow 4 way or 5 way trailer with one adapter, adding versatile towing options for your vehicle ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08MDW63DH | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #355 in Automotive ( See Top 100 in Automotive ) #1 in Trailer Connectors | | Brand | Oyviny | | Brand Name | Oyviny | | Compatible with Vehicle Type | ATV, Car, Marine-Personal-Craft, Tractor, Trailer | | Customer Reviews | 4.7 out of 5 stars 2,229 Reviews | | Finish Type | Polished | | Manufacturer | Oyviny | | Manufacturer Part Number | S70-45-001 | | Material | Nylon | | Material Type | Nylon | | Model Number | S70-45-001 | | UPC | 769894715529 | | Unit Count | 1.0 Count | | Vehicle Service Type | ATV, Car, Marine-Personal-Craft, Tractor, Trailer | ## Product Details - **Automotive Fit Type:** Universal Fit - **Brand:** Oyviny - **Finish Type:** Polished - **Material:** Nylon - **Vehicle Service Type:** ATV, Car, Marine-Personal-Craft, Tractor, Trailer ## Images ![7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design - Image 1](https://m.media-amazon.com/images/I/81BR1im6M4L.jpg) ![7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design - Image 2](https://m.media-amazon.com/images/I/711IzHp3d6L.jpg) ![7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design - Image 3](https://m.media-amazon.com/images/I/71JmbAIeONL.jpg) ![7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design - Image 4](https://m.media-amazon.com/images/I/71v3x80-GjL.jpg) ![7 Pin Round to 4 and 5 Pin Flat Blade Trailer Adapter, 7 Way to 5 Way Trailer Plug Adapter 2-in-1 Design - Image 5](https://m.media-amazon.com/images/I/710TNvFPxAL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy install and quality *by J***Y on April 10, 2026* Solid made. Works no issues. Highly recommend ### ⭐⭐⭐⭐⭐ Perfect for accessories! *by R***N on March 24, 2026* Functions as it should and suits my needs perfectly! ### ⭐⭐⭐⭐⭐ Great item *by C***S on March 27, 2026* Works very well so I didn’t have to wire a separate plug ## Frequently Bought Together - Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design - MaxxHaul 80778 Magnetic Towing Light Kit (Dual Sided for RV, Boat, Trailer and More DOT Approved), 1 Pack - LIMICAR Trailer Wiring Harness Extension Kit, 25ft Trailer Wiring Harness with 4 Flat Extension Connector, 4 Pin Flat Wishbond Trailer Harness for Utility Boat Trailer Lights Kits --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/291801667-7-pin-round-to-4-and-5-pin-flat-blade](https://www.desertcart.sn/products/291801667-7-pin-round-to-4-and-5-pin-flat-blade) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-05-16*