---
product_id: 597667309
title: "Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC"
brand: "cerfioo"
price: "€ 19.81"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/597667309-pack-4-car-5-pin-socket-relay-12v-40a-waterproof
store_origin: IT
region: Italy
---

# 40A Power Flame Retardant Waterproof Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC

**Brand:** cerfioo
**Price:** € 19.81
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Ride with Confidence!

## Quick Answers

- **What is this?** Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC by cerfioo
- **How much does it cost?** € 19.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/597667309-pack-4-car-5-pin-socket-relay-12v-40a-waterproof)

## Best For

- cerfioo enthusiasts

## Why This Product

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

## Key Features

- • **Value Pack:** Includes 4 relays to meet all your automotive replacement needs, ensuring you're always prepared.
- • **High Performance:** Built-in pure copper wire and silver alloy contacts for superior conductivity and thermal stability.
- • **Unmatched Durability:** Crafted from high-quality PA66 material, ensuring a long-lasting and reliable performance.
- • **Effortless Installation:** Plug and play design makes it easy to upgrade your vehicle's electrical system.
- • **Versatile Compatibility:** Perfect for a wide range of 12V automotive applications, from audio systems to security setups.

## Overview

The Pack-4 Car 5 Pin Socket Relay is a robust and versatile solution for automotive electrical systems. Made from flame-retardant PA66 material, these relays are designed for 12V applications, ensuring reliable performance and easy installation. With a package of four, you'll have ample replacements for various automotive needs, making it a smart choice for any car enthusiast.

## Description

Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC

## Features

- PA66 Material: This 5Pin relay shell is made of PA66 material, with stable insulation, high quality flame retardant casing. The structure is compact and durable, not easy to break or deform, and helps you adjust and transform circuits stably.
- Wide Application: The 5-pin relay suitable for automotive equipment equipped with 12V DC power supply, such as car audio systems, security systems, compressors. The relay box can be a nice replacement for 582195, 582472, 582473, 584416, 586147 and 586224, offering you a pleasant using experience.
- Reliable Performance: This relay built-in pure copper enameled wire, lower temperature rise and stronger suction power. Silver alloy contacts have good thermal stability and high temperature resistance. The plug has strong conductivity, effectively resists contact sticking, and has a long service life.
- Sufficient Quantity: The package comes with 4 pieces of automotive replacement equipment relays, enough to meet your using and replacing demands in daily life, bringing you lots of convenience.
- Plug and Play: Compatible with the most universal 12V 5-Pin automotive relay with a 40A switching capability. Easy to process your demand. Please check the dimensions and the direction of the poles carefully before ordering to avoid buying the incorrect product.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Type | Quick Connect |
| Contact Material | Silver Alloy |
| Contact Type | Silver Alloy |
| Brand | cerfioo |
| Operation Mode | Automatic |
| Coil Voltage | 12 Volts (DC) |
| Minimum Switching Voltage | 12 Volts (DC) |
| UPC | 727903993467 |
| Manufacturer | cerfioo |
| Item Weight | 4.6 ounces |
| Package Dimensions | 3.74 x 2.17 x 1.42 inches |
| Country of Origin | China |
| Item model number | CERJDQ374BL-4PC |
| Manufacturer Part Number | CER192 |

## Product Details

- **Connector Type:** Quick Connect
- **Contact Material:** Silver Alloy
- **Contact Type:** Silver Alloy
- **Brand:** cerfioo
- **Operation Mode:** Automatic

## Images

![Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC - Image 1](https://m.media-amazon.com/images/I/614fwOt0zVL.jpg)
![Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC - Image 2](https://m.media-amazon.com/images/I/61sfXxjq6TL.jpg)
![Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC - Image 3](https://m.media-amazon.com/images/I/71+JVG+m7GL.jpg)
![Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC - Image 4](https://m.media-amazon.com/images/I/71Xoj--jgEL.jpg)
![Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Wiring Harness Modification Flame Retardant and Stable Relays, Universal Boat Motor Replacement (Black), CERJDQ374BL-4PC - Image 5](https://m.media-amazon.com/images/I/71RNXcwrA1L.jpg)

## Frequently Bought Together

- cerfioo Pack-4 Car 5 Pin Socket Relay, 12V 40A Waterproof Conversion Start DC Relay, Wiring Harness Modification Flame Retardant and Stable Relays, Universal Car Boat Motor Replacement (Black)
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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-03-09*