--- product_id: 503930120 title: "7 Way Blade to 4 Way Flat Trailer Adapter" brand: "oyviny" price: "€ 39.74" currency: EUR in_stock: true category: "Oyviny" url: https://www.desertcart.be/products/503930120-7-way-blade-to-4-way-flat-trailer-adapter store_origin: BE region: Belgium --- # 7-pin to 4-pin seamless power transfer Weather-resistant with rubber dust cover Nylon wire loom for ultimate durability 7 Way Blade to 4 Way Flat Trailer Adapter **Brand:** oyviny **Price:** € 39.74 **Availability:** ✅ In Stock ## Summary > 🔗 Connect smarter, tow stronger—never miss a signal! ## Quick Answers - **What is this?** 7 Way Blade to 4 Way Flat Trailer Adapter by oyviny - **How much does it cost?** € 39.74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/503930120-7-way-blade-to-4-way-flat-trailer-adapter) ## 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 - • **Flexible Fit:** 11.6-inch length with 6.5-inch wire lead ensures versatile, hassle-free setup for any trailer or RV. - • **Built to Endure:** Rugged molded 7-way RV plug and protective dust cover keep your connections safe rain or shine. - • **Plug & Play Simplicity:** Effortless installation—just connect and go, no tools needed. - • **Universal Compatibility:** Works flawlessly with most trailers, trucks, and RVs—your all-in-one towing solution. - • **Stay Connected, Stay Ahead:** Top-rated with 4.7 stars and trusted by thousands for reliable trailer lighting every time. ## Overview The Oyviny 7 Way to 4 Way Trailer Plug Adapter converts your vehicle’s 7-pin RV blade connector to a 4-pin flat trailer plug, enabling seamless power transfer for trailer lights. Featuring a durable molded design, nylon wire loom protection, and a weather-resistant rubber dust cover, this 11.6-inch adapter ensures long-lasting, reliable performance across a wide range of vehicles including trucks, trailers, and RVs. ## Description Buy Oyviny 7 Way to 4 Way Trailer Plug Adapter, RV Blade 7 Pin Round to 4 Pin Flat Trailer Light Adapter 11.6 Inches: Connectors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 7 Pin to 4 Pin Trailer Adapter: This 7 to 4 trailer connector converts your vehicle’s 7 way rv blade connector to a 4 way flat connector on your trailer, great for running power from your vehicle - Easy to Use: 7 Way to 4 Way trailer connector adapter is super easy to install, simply plug the rv blade 7 pin connector into the existing 7 pin socket on your truck, and plug the 4 pin connector to your trailer, easy plug and play installation - Well Protected: 7 pin to 4 pin trailer adapter extension is protected by a black nylon wire loom to keep wires bundled together and protect them from wear, ensure long service life - Durable Constructions: 7 to 4 pin trailer adapter constructed with molded 7 way rv plug, which is sturdy and weather resistant, 4 pin trailer plug comes with a rubber dust cover to protect the terminals from water and dust - Wide Applications: 7 way to 4 way trailer adapter supports customized plug in wiring systems for any towing situation, 6.5 inch wire lead between connectors provide flexible installation, widely used in most vehicles including caravan and RVs ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BPXR7RTW | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #6,098 in Automotive ( See Top 100 in Automotive ) #19 in Trailer Connectors | | Brand Name | Oyviny | | Compatible with Vehicle Type | Trailer, Trucks | | Customer Reviews | 4.7 4.7 out of 5 stars (682) | | Finish Type | Powder Coated | | Included Components | 1* RV 7 Pin to 4 Pin Flat Trailer Wiring Adapter | | Item Type Name | 7 blade to 4 flat trailer plug adapter | | Item Weight | 0.22 kg | | Manufacturer | Oyviny | | Manufacturer Part Number | SPQ-7P-4P | | Manufacturer Warranty Description | 1 Year | | Material Type | Metal | | Model Number | SPQ-7P-4P | | Number of Items | 1 | | Number of Packs | 1 | | Unit Count | 1 Count | ## Product Details - **Brand:** Oyviny - **Finish Type:** Powder Coated - **Item Weight:** 0.22 kg - **Material:** Metal - **Vehicle Service Type:** Trailer, Trucks ## Images ![7 Way Blade to 4 Way Flat Trailer Adapter - Image 1](https://m.media-amazon.com/images/I/61hJvKAUlaL.jpg) ## Frequently Bought Together - Oyviny 7 Way to 4 Way Trailer Plug Adapter, RV Blade 7 Pin Round to 4 Pin Flat Trailer Light Adapter 11.6 Inches - Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design --- ## 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.be/products/503930120-7-way-blade-to-4-way-flat-trailer-adapter](https://www.desertcart.be/products/503930120-7-way-blade-to-4-way-flat-trailer-adapter) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-09-23*