SWPHRT 7-Way to 4/5 Pin Trailer Adapter 12V Nylon
$7.59 on Amazon.com (as of October 12, 2026, 2:33 PM EST) View details ↗
The SWPHRT 7-Way Blade to 4/5-Way Flat Trailer Adapter is a professional-grade solution for connecting RVs and tow vehicles to standard trailers. Constructed from high-quality nylon and copper, this adapter combines durability with superior electrical conductivity. The impact-resistant nylon housing protects internal circuits from wear and tear, ensuring long-term reliability in outdoor and heavy-duty environments. Meanwhile, the copper components guarantee stable signal transmission, which is essential for the proper operation of lighting and braking systems. This robust build quality makes it an ideal choice for users who require consistent performance without frequent maintenance.
Designed with a versatile 2-in-1 configuration, this adapter seamlessly converts a 7-way RV connector into either a standard 4-pin or 5-pin flat trailer connector. This universal compatibility allows it to serve a wide range of vehicles, including trailers, motorhomes, campers, and all-terrain vehicles. By accommodating both 4-pin and 5-pin interfaces, it eliminates the need for multiple adapters, simplifying your towing setup. The plug-and-play design ensures that installation is straightforward and efficient, requiring no cutting or splicing of wires. This feature not only saves time but also minimizes the risk of electrical errors during installation.
User convenience is further enhanced by the adapter's compact dimensions and ergonomic design. Measuring just 2.28 × 3.66 inches, it fits easily into a vehicle's toolbox or glove box, making it readily accessible for daily use. The integrated handles on both sides provide a secure grip, preventing hand slippage during the plugging and unplugging process. This thoughtful design ensures that connecting or disconnecting the trailer is effortless and safe. Rated for 12V systems, this adapter is a reliable, space-saving accessory for any towing enthusiast looking to upgrade their connectivity options with a professional touch.
| Material Composition | Nylon and Copper |
|---|---|
| Rated Voltage | 12V |
| Product Dimensions | 2.28 × 3.66 inches |
| Interface Diameter | 1.57 inches |
| Weight | 120g / 4.23oz |
| Package Contents | 1pc Trailer Adapter |






