---
product_id: 619772725
title: "Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover"
brand: "oyviny"
price: "R$645"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/619772725-oyviny-4-pin-flat-y-splitter-plug-adapter-with-17
store_origin: BR
region: Brazil
---

# Waterproof silicone housing for durability 17.5-inch length for flexible installation 4-pin flat connectors for seamless power Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover

**Brand:** oyviny
**Price:** R$645
**Availability:** ✅ In Stock

## Summary

> 🚛 Light up your trailer game with effortless dual power!

## Quick Answers

- **What is this?** Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover by oyviny
- **How much does it cost?** R$645 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/619772725-oyviny-4-pin-flat-y-splitter-plug-adapter-with-17)

## 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

- • **Dual Power Boost:** Split one power source into two for simultaneous LED light bar operation
- • **Weatherproof Armor:** Premium insulated silicone housing keeps connections dry and corrosion-free
- • **Trusted Reliability:** Backed by a 1-year warranty and 24/7 customer support for peace of mind
- • **Plug & Play Simplicity:** No wiring or splicing needed—install in minutes and hit the road
- • **Universal Compatibility:** Fits all trailer types, trucks, SUVs, and RVs for versatile lighting upgrades

## Overview

The Oyviny 4 Pin Flat Y-Splitter Plug Adapter is a 17.5-inch extension harness designed to power two LED tailgate light bars or trailer lights simultaneously. Featuring premium waterproof silicone housing and dust covers, it ensures durable, corrosion-resistant connections. This plug-and-play adapter fits all trailer types and comes with a 1-year warranty and responsive customer service.

## Description

Introduction: The adapter is made with high-quality wiring with premium silicone housing/sockets. Features 1 male flat 4-pin connector and 2 female flat 4-pin connectors. Perfect for your Truck SUV Van or RV to install trailer light applications such as a tow hitch light, add-on brake/tail lamps, or a truck tailgate LED light bar! Specification: Type: Y-splitter Voltage: 12V Harness Length: 17.5" Material: Silicone Housing Connector: 1 4pin Male & 2 4pin Female Connectors Package Included: 1x 4 Pin Trailer Y-Splitter Harness

## Features

- Perfect Y-Connector. 4 Way Y-Splitter harness contains 1 male and 2 female connectors that allows you to power 2 LED light bars at one time No complicated wiring or splicing
- High Quality Trailer Splitter. Y-Splitter housing made of a premium insulated silicone, waterproof and anti-electric, can be safely wired, flexible and durable, ensure long service life
- 17.5" long 4-pin Y-splitter dual output plug adapter. The 2 female adapter comes with 2 waterproof rubber cover, which keeps the connection points dry, and protect the plug from dusts and corrosion
- Plug&Play. Y-splitter Adapter is designed to fit for trailer LED lights, tailgate light bars and other use, fits all types of trailers, flexible and easy installation, helping to extend your original one
- Reliable Service. 2-Way Y-Splitter Harness comes with 1 Year Warranty and 24 Hours Service, your satisfaction comes first, if any question we will 100% assist you!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 3.98 ounces |
| Package Dimensions | 6.2 x 2.4 x 1.4 inches |
| Country of Origin | China |
| Item model number | XC-4FLAT-102 |

## Product Details

- **Brand:** Oyviny
- **Item weight:** 0.11 Kilograms
- **Connector type:** 4-pin flat
- **Manufacturer:** Oyviny
- **UPC:** 769894715451

## Images

![Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover - Image 1](https://m.media-amazon.com/images/I/713d54scTQL.jpg)
![Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover - Image 2](https://m.media-amazon.com/images/I/71dp6mCxroL.jpg)
![Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover - Image 3](https://m.media-amazon.com/images/I/71Z+rPD1G2L.jpg)
![Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover - Image 4](https://m.media-amazon.com/images/I/716Z2B0LFHL.jpg)
![Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness Plug and Play Adapter for LED Tailgate Light Bar and Trailer Lights Insulating Housing with Dust Cover - Image 5](https://m.media-amazon.com/images/I/71srn0Av1CL.jpg)

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**Shop now:** [https://www.desertcart.com.br/products/619772725-oyviny-4-pin-flat-y-splitter-plug-adapter-with-17](https://www.desertcart.com.br/products/619772725-oyviny-4-pin-flat-y-splitter-plug-adapter-with-17)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-12*