--- product_id: 4766331 title: "58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors" brand: "curt" price: "Β₯5893" currency: JPY in_stock: true reviews_count: 13 category: "Curt" url: https://www.desertcart.jp/products/4766331-58671-vehicle-side-and-trailer-side-4-pin-round-wiring store_origin: JP region: Japan --- # 4-pin round connector weather-resistant terminals die-cast metal housing 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors **Brand:** curt **Price:** Β₯5893 **Availability:** βœ… In Stock ## Summary > πŸ”— Stay Connected, Stay Ahead – Power Your Trailer Like a Pro! ## Quick Answers - **What is this?** 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors by curt - **How much does it cost?** Β₯5893 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/4766331-58671-vehicle-side-and-trailer-side-4-pin-round-wiring) ## Best For - curt enthusiasts ## Why This Product - Trusted curt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Endure:** Rugged die-cast metal housing guarantees long-lasting durability on every trip. - β€’ **Lock-In Security:** Spring-loaded locking tabs keep your connection rock-solid despite road vibrations. - β€’ **Weatherproof Shield:** Concealed terminals protect wiring from rain, dirt, and corrosive elements. - β€’ **Effortless Grip & Plug:** Ergonomic tabs ensure quick, slip-free connections every time. - β€’ **Universal 4-Pin Compatibility:** Seamlessly connects tail, brake, and turn signal lights with industry-standard plugs. ## Overview CURT 58671 4-pin round wiring harness connectors deliver a durable, weather-resistant, and secure electrical connection for your trailer’s tail, brake, and turn signal lights. Featuring ergonomic grips, die-cast metal construction, and locking tabs, this kit ensures reliable performance and easy installation for every towing enthusiast. ## Description Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer's electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. These 4-way round connectors are designed to supply power for tail lights, turn signals and brake lights, as well as a ground connection. They feature durable die-cast metal construction and come with concealed terminals and a spring-loaded steel cover to resist damage from dust and water. This 4-way round connector kit includes both a male-end plug for your trailer and a female-end socket for your vehicle. ## Features - EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug features tabs on the sides for a better grip when plugging into the vehicle socket or unplugging - VERSATILE DESIGN. These trailer wiring connectors make great replacement 4-flat wiring plugs and socket. They match industry-standard 4-way round connectors and connects the taillights, brake lights and turn signals - DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring connectors is made from strong, durable die-cast metal - RELIABLE CONNECTION. These 4-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted. This helps maintain a reliable wiring connection in spite of bumps and vibrations while towing - WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 4-wire trailer plugs feature concealed terminals, keeping the wires from direct exposure to rain, dirt, road salt and other corrosive threats (wires not included) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001EOV3MU | | Best Sellers Rank | #39,175 in Automotive ( See Top 100 in Automotive ) #98 in Towing Hitch Wiring | | Brand | CURT | | Brand Name | CURT | | Connector Type | 4-pin Round | | Customer Reviews | 4.6 out of 5 stars 759 Reviews | | Global Trade Identification Number | 00612314001675 | | Included Components | 4-Way Connectors | | Item Dimensions | 8 x 4 x 3 inches | | Item Type Name | Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors | | Item Weight | 0.6 Pounds | | Item dimensions L x W x H | 8 x 4 x 3 inches | | Manufacturer | Curt Manufacturing | | Model | 58671 | | Number of Items | 1 | | Part Number | 58671 | | UPC | 786362078023 612314001675 | | Unit Count | 1.0 Count | | Warranty Description | Limited Lifetime | ## Images ![58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors - Image 1](https://m.media-amazon.com/images/I/51W8t-EoP6L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by F***S on January 16, 2025* ### ⭐⭐⭐⭐⭐ Review *by G***. on March 18, 2026* ### ⭐⭐⭐⭐⭐ Review *by S***M on August 13, 2024* --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/4766331-58671-vehicle-side-and-trailer-side-4-pin-round-wiring](https://www.desertcart.jp/products/4766331-58671-vehicle-side-and-trailer-side-4-pin-round-wiring) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-05*