---
product_id: 281612290
title: "CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black"
brand: "curt"
price: "€ 278.26"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/281612290-curt56377-vehicle-side-custom-4-pin-trailer-wiring-harness-select
store_origin: CY
region: Cyprus
---

# Weather-resistant cover 4-pin connector Vehicle-specific fit CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black

**Brand:** curt
**Price:** € 278.26
**Availability:** ✅ In Stock

## Summary

> 🚀 Tow with Confidence: Your Mazda's Best Companion!

## Quick Answers

- **What is this?** CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black by curt
- **How much does it cost?** € 278.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/281612290-curt56377-vehicle-side-custom-4-pin-trailer-wiring-harness-select)

## 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

- • **Durable Design:** Built to withstand the elements with a dust cover.
- • **Optimized Performance:** Surface mount technology for reliable power.
- • **Tailored for Mazda CX-5:** Custom fit for select model years.
- • **Versatile Towing Options:** Connects to trailer lights seamlessly.
- • **Plug-and-Play Installation:** No cutting or splicing required!

## Overview

The CURT 56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness is designed specifically for select Mazda CX-5 models, offering an easy plug-and-play installation without the need for cutting or splicing. This reliable harness features a standard 4-pin connector for seamless trailer light connections and is built with advanced surface mount technology for optimal performance. With a weather-resistant dust cover, it ensures durability and longevity, making it the perfect towing solution for your vehicle.

## Description

CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black

## Features

- EASY TO INSTALL. No cutting! No splicing! This trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer
- STANDARD CONNECTOR. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle
- VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Mazda CX 5
- RELIABLE POWER. This 4-way trailer wiring harness is built with surface mount technology. This type of circuitry generates less heat, optimal light intensity and durable performance
- DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | CURT |
| Brand | CURT |
| Model | Custom Wiring |
| Item Weight | 1.63 pounds |
| Country of Origin | USA |
| Item model number | 56377 |
| Is Discontinued By Manufacturer | No |
| Exterior | Smooth |
| Manufacturer Part Number | 56377 |
| OEM Part Number | 56377 |

## Images

![CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black - Image 1](https://m.media-amazon.com/images/I/71u0cIX3-9L.jpg)
![CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black - Image 2](https://m.media-amazon.com/images/I/71ChtlvBFaL.jpg)
![CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black - Image 3](https://m.media-amazon.com/images/I/916XkJA+qPL.jpg)
![CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black - Image 4](https://m.media-amazon.com/images/I/817svR0-j1L.jpg)
![CURT56377 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Mazda CX-5, Black - Image 5](https://m.media-amazon.com/images/I/61RGb+D5P0L.jpg)

---

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**Shop now:** [https://www.desertcart.com.cy/products/281612290-curt56377-vehicle-side-custom-4-pin-trailer-wiring-harness-select](https://www.desertcart.com.cy/products/281612290-curt56377-vehicle-side-custom-4-pin-trailer-wiring-harness-select)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-04-25*