--- product_id: 8675298 title: "CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket" brand: "curt" price: "Β₯6907" currency: JPY in_stock: true reviews_count: 9 category: "Curt" url: https://www.desertcart.jp/products/8675298-curt-58170-vehicle-side-7-pin-round-trailer-wiring-harness store_origin: JP region: Japan --- # Secure locking tab Durable die-cast metal Weather-resistant design CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket **Brand:** curt **Price:** Β₯6907 **Availability:** βœ… In Stock ## Summary > πŸ”— Connect with Confidence β€” Power Your Trailer Like a Pro! ## Quick Answers - **What is this?** CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket by curt - **How much does it cost?** Β₯6907 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/8675298-curt-58170-vehicle-side-7-pin-round-trailer-wiring-harness) ## 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€’ **Lock It Down πŸ”’:** Spring-loaded cover with locking tab ensures your connection stays secure and dust-free, no matter the journey. - β€’ **All-in-One Power Hub:** Supports tail lights, brake lights, turn signals, reverse lights, electric trailer brakes, and auxiliary powerβ€”everything your trailer demands. - β€’ **Plug & Play Simplicity:** Easily replaces existing 7-way sockets with clear wiring color codes and hassle-free installation. - β€’ **Built to Brave the Elements πŸ›‘οΈ:** Concealed terminals and weather-resistant housing protect against rain, dirt, and corrosive road salt for long-lasting reliability. - β€’ **Heavy-Duty Metal Construction βš™οΈ:** Robust die-cast metal housing guarantees durability and dependable performance under tough conditions. ## Overview The CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket is a premium, weather-resistant connector designed for reliable trailer electrical connections. Featuring a durable die-cast metal housing, a spring-loaded dust cover with a locking tab, and concealed terminals, it ensures secure, corrosion-resistant performance for all 7 trailer functions including lights, brakes, and auxiliary power. Ideal for RVs and trailers, it offers easy installation and a limited lifetime warranty for peace of mind. ## 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. This 7-way round connector is designed to supply power for tail lights, turn signals, electric trailer brakes, auxiliary power, reverse lights and brake lights, as well as a ground connection. It features durable die-cast metal construction and comes with a spring-loaded cover to keep out dust and water. This 7-way round connector is a female-end socket, specifically designed for the vehicle side of the connection. 7-way round connectors are commonly used on RV travel trailers, and this particular connector can be easily interchanges with other 7-way RV connectors. Review: Seems to be good quality. - High quality plug for a semi trailer. I expect years of service out of this. Seems well made and for good in the old hole. Review: Excellent Quality and Function - It's Made better than a Phillips brand, easy to install, wire color code easy to read, terminal screws were easy to loosen and tighten without damaging the screw or any threads, nice bright finish, better quality than Phillips brand, and it's been holding up and working good. ## Features - SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this round 7-pin trailer wiring socket comes with a spring-loaded dust cover. It protects the 7-way connector when not in use, shielding it from the outdoor elements - VERSATILE DESIGN. This connector makes a great replacement 7-way wiring socket. It connectors and connects the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and an auxiliary power wire - DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable die-cast metal - RELIABLE CONNECTION. This 7-way round trailer wiring socket is equipped with a locking tab on the inside of the dust cover that secures the plug in place when inserted. This helps maintain a reliable wiring connection - WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 7-wire vehicle socket features 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 | B001GN6PU4 | | Best Sellers Rank | #91,053 in Automotive ( See Top 100 in Automotive ) #229 in Towing Hitch Wiring | | Brand | CURT | | Brand Name | CURT | | Color | Silver | | Connector Type | 7-pin Round | | Customer Reviews | 4.4 out of 5 stars 256 Reviews | | Global Trade Identification Number | 00612314917006 | | Included Components | 7-Way Connector | | Item Type Name | Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket | | Item Weight | 10.4 ounces | | Manufacturer | Curt Manufacturing | | Material | Metal | | Material Type | Metal | | Model | 58170 | | No. of wires | 7 | | Number Of Poles | 7 | | Number Of Wires | 7 | | Number of Poles | 7 | | Part Number | 58170 | | Plug Type | 7-Pin Round | | UPC | 612314917006 | | Unit Count | 1 Count | | Warranty Description | Limited Lifetime | ## Product Details - **Brand:** CURT - **Color:** Silver - **Connector Type:** 7-pin Round - **Material:** Metal - **Number Of Poles:** 7 ## Images ![CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket - Image 1](https://m.media-amazon.com/images/I/81SieV4hhrL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Seems to be good quality. *by K***P on December 5, 2025* High quality plug for a semi trailer. I expect years of service out of this. Seems well made and for good in the old hole. ### ⭐⭐⭐⭐⭐ Excellent Quality and Function *by H***N on March 28, 2021* It's Made better than a Phillips brand, easy to install, wire color code easy to read, terminal screws were easy to loosen and tighten without damaging the screw or any threads, nice bright finish, better quality than Phillips brand, and it's been holding up and working good. ### ⭐⭐⭐⭐⭐ Good quality *by O***J on October 6, 2024* Standard OEM replacement, fits good and works well. ## Frequently Bought Together - CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket - CURT 58150 Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector - Nilight - 50048R 7 Way Electrical Trailer Junction Box 7 Gang Trailer Wire Connector Junction Box Weatherproof for Rewiring Camper RV Caravans Boat 7 Pole Cable Connection Box,2 Years Warranty --- ## 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/8675298-curt-58170-vehicle-side-7-pin-round-trailer-wiring-harness](https://www.desertcart.jp/products/8675298-curt-58170-vehicle-side-7-pin-round-trailer-wiring-harness) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-01*