--- product_id: 334916857 title: "Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected" brand: "oyviny" price: "HK$170" currency: HKD in_stock: true category: "Oyviny" url: https://www.desertcart.hk/products/334916857-oyviny-4-way-flat-trailer-extension-coiled-cable-3-feet store_origin: HK region: Hong Kong --- # 3ft coiled stretchable cable 4-pin pure copper wiring PU sheath abrasion & heat resistant Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected **Brand:** oyviny **Price:** HK$170 **Availability:** ✅ In Stock ## Summary > 🛻 Stay powered, stay connected—trailering made effortless! ## Quick Answers - **What is this?** Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected by oyviny - **How much does it cost?** HK$170 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/334916857-oyviny-4-way-flat-trailer-extension-coiled-cable-3-feet) ## 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 - • **Premium Conductivity:** Pure copper wires with brass & tin-plated terminals ensure reliable, corrosion-resistant connections. - • **Compact Coiled Design:** Stretchable 3ft cable that retracts neatly, preventing drag and tangles on tight turns. - • **Effortless Plug & Play:** No splicing needed—just connect and go for seamless trailer lighting. - • **Weatherproof Durability:** PU sheath guards against abrasion, heat, dust, and water for all-season performance. - • **Universal 4-Pin Compatibility:** Fits marine, horse, and utility trailers with standard 4-way flat connectors—stay connected everywhere. ## Overview The Oyviny 4 Way Flat Trailer Extension Coiled Cable is a 3-foot, 4-pin female-to-female wiring harness designed for reliable trailer lighting connections. Featuring pure copper conductors, a durable PU sheath, and a space-saving coiled design, it offers weather-resistant, plug-and-play convenience for marine, horse, and utility trailers requiring a standard 4-way flat connection. ## Description desertcart.com: Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected : Automotive ## Features - 4 Pin Trailer Extension: 4 pin trailer wiring harness is suitable for any types of trailers including marine boat trailer, horse trailer and other cargo utility trailers as long as it has a 4-way trailer connection; Note: The designed length of this coiled cable is 3ft(36 inches), while the normal working length should be about 28 inches, please confirm the length you need before ordering - Coiled Design: The coil design makes the wire does not drag but yet allows for the extra length needed for tight turns with a trailer, stretchable coiled wire keeps memory and effectively weatherproof - Sturdy Construction: Molded 4 pin trailer connector wiring is made of Pure Copper wires, Brass and Tin-Plated terminal ensure great conductivity; Standard 4 pin female connector equipped with a rubber dust cover to protect the connector from dust and water - Temperature-Resistant PU Sheath: 4 pin flat trailer extension wire is constructed with 18AWG wires, the whole wiring is wrapped and protected by PU sheath, which is abrasion resistance and high temperature resistance, ensure good performance in various situation - Easy Plug and Play: This 4 wire trailer lighting extension cable comes ready to plug into the existing 4 pole plug on your vehicle and trailer, No Splicing Required; 4 way connectors features tabs on the sides for a better grip when plugging and unplugging ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0969QQDWC | | Amperage | 7 A | | Best Sellers Rank | #22,754 in Automotive ( See Top 100 in Automotive ) #56 in Towing Hitch Wiring | | Brand | Oyviny | | Color | 4 Pin Extension Coiled Cable- 3 Feet | | Connector Gender | Female-to-Female | | Customer Reviews | 4.6 out of 5 stars 546 Reviews | | Gauge | 18 | | Indoor Outdoor Usage | Outdoor | | Input Current | 7 A | | Item Length | 3 feet | | Item Weight | 0.14 kg | | Manufacturer | Oyviny | | Mfr Part Number | OV2133-001 | | Model Number | OV2133-001 | | Number Of Conductors | 4 | | Number of Items | 1 | | Number of Packs | 1 | | Plug Format | Type F | | Plug Type | Type F | | Power Cord Prong Count | 4 | | Special Features | Coiled design, sturdy construction with pure copper wires and PU sheath | | UPC | 769894711330 | | Water Resistance Level | Water Resistant | | Wattage | 110 watts | ## Product Details - **Brand:** Oyviny - **Color:** 4 Pin Extension Coiled Cable- 3 Feet - **Connector Gender:** Female-to-Female - **Item Weight:** 0.14 Kilograms - **Plug Format:** Type F ## Images ![Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected - Image 1](https://m.media-amazon.com/images/I/71vZIWMc5LL.jpg) ![Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected - Image 2](https://m.media-amazon.com/images/I/71wssQIKaZL.jpg) ![Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected - Image 3](https://m.media-amazon.com/images/I/71Z7gLbggML.jpg) ![Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected - Image 4](https://m.media-amazon.com/images/I/71RFOl+ekNL.jpg) ![Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected - Image 5](https://m.media-amazon.com/images/I/71bQbWfpGoL.jpg) ## Frequently Bought Together - Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected - Oyviny 4 Pin 5 Wire Trailer Wiring Harness 22FT for Rewiring Both-Side Taillights, Pure Copper Wishbond Trailer Light Kit 4 Way Flat 5 Wire Plug w/Nylon Net Tube Protection --- ## 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.hk/products/334916857-oyviny-4-way-flat-trailer-extension-coiled-cable-3-feet](https://www.desertcart.hk/products/334916857-oyviny-4-way-flat-trailer-extension-coiled-cable-3-feet) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-09-29*