---
product_id: 34645594
title: "OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75\" Long x 1.75\" Diameter"
brand: "opt7"
price: "C$1210"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/34645594-opt7-7-pin-to-4-pin-trailer-adapter-w-secure
store_origin: NI
region: Nicaragua
---

# 7-pin to 4-pin seamless adapter Weatherproof & rust-resistant design Secure tab locks adapter in place OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter

**Brand:** opt7
**Price:** C$1210
**Availability:** ✅ In Stock

## Summary

> 🚛 Light up your tow game with unshakable connection!

## Quick Answers

- **What is this?** OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter by opt7
- **How much does it cost?** C$1210 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/34645594-opt7-7-pin-to-4-pin-trailer-adapter-w-secure)

## Best For

- opt7 enthusiasts

## Why This Product

- Trusted opt7 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Use Case:** Perfect for U-Haul, trailers, campers, 5th wheels, and auxiliary lighting needs.
- • **Rock-Solid Security:** Secure tab ensures your adapter stays firmly attached—no more accidental drops.
- • **Risk-Free Confidence:** Backed by OPT7’s exclusive 30-day warranty for worry-free towing.
- • **Universal Compatibility:** Connects any 7-way blade to 4-way flat trailer lights effortlessly.
- • **Built to Brave the Elements:** Sealed, weatherproof construction with rust-resistant prongs for all-season durability.

## Overview

The OPT7 7 Pin to 4 Pin Trailer Adapter is a compact, durable connector designed to convert a 7-way blade plug to a 4-way flat trailer light connector. Featuring a secure locking tab, weatherproof and rust-resistant materials, it ensures reliable, all-weather performance for towing trailers, campers, and auxiliary lighting. Measuring 3.75" x 1.75", it’s compatible with a wide range of vehicles and comes with a 30-day warranty for peace of mind.

## Description

OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter

## Features

- [THE STRONGEST BEASTS ADAPT] Give your rig the ability to light up any trailer, camper, or accessory
- [STAYS ON TIGHT] Use your 7-pin dust cover to secure your adapter in place. It WILL NOT fall off
- [READY FOR ANY SITUATION] Sealed weatherproof construction with rust resistant prongs and cap cover
- [PERFECT FOR] UHAUL, trailers, 5th wheel, and any auxillery lighting
- [WARRANTY] Fully covered by our free 30 Days warranty, offered only by OPT7

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | OPT7 |
| Brand | OPT7 |
| Model | FBA-900-00121 |
| Item Weight | 5 ounces |
| Product Dimensions | 3.75 x 2.85 x 1.75 inches |
| Item model number | FBA-900-00121 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | FBA-900-00121 |
| Position | Rear |
| Bulb Type | LED |
| Special Features | Breakaway, Extendable, Memory, Power Folding, Puddle Lamp |
| Voltage | 12 Volts |

## Images

![OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter - Image 1](https://m.media-amazon.com/images/I/61y0d4K-mBL.jpg)
![OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter - Image 2](https://m.media-amazon.com/images/I/71Vx6PtxQUL.jpg)
![OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter - Image 3](https://m.media-amazon.com/images/I/71Co49TOTfL.jpg)
![OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter - Image 4](https://m.media-amazon.com/images/I/71dnCK9o5LL.jpg)
![OPT7 7 Pin to 4 Pin Trailer Adapter w/Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Connector for Pickup Truck Trailer Tow Hitch, 3.75" Long x 1.75" Diameter - Image 5](https://m.media-amazon.com/images/I/71sQRy2LczL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.ni/products/34645594-opt7-7-pin-to-4-pin-trailer-adapter-w-secure](https://www.desertcart.ni/products/34645594-opt7-7-pin-to-4-pin-trailer-adapter-w-secure)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-24*