---
product_id: 398433551
title: "JD1912 Relay 4 Pin 40A 12V SPST Car Truck Van Motorcycle Boat Relay (Pack of 2 pcs)"
brand: "eplzon"
price: "93.10 DT"
currency: TND
in_stock: true
category: "Eplzon"
url: https://www.desertcart.tn/products/398433551-jd1912-relay-4-pin-40a-12v-spst-car-truck-van
store_origin: TN
region: Tunisia
---

# 40A max current 12V coil voltage 4-pin SPST design JD1912 Relay 4 Pin 40A 12V SPST Car Truck Van Motorcycle Boat Relay (Pack of 2 pcs)

**Brand:** eplzon
**Price:** 93.10 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Drive Your Power Game with JD1912 – The Relay That Means Business!

## Quick Answers

- **What is this?** JD1912 Relay 4 Pin 40A 12V SPST Car Truck Van Motorcycle Boat Relay (Pack of 2 pcs) by eplzon
- **How much does it cost?** 93.10 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/398433551-jd1912-relay-4-pin-40a-12v-spst-car-truck-van)

## Best For

- eplzon enthusiasts

## Why This Product

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

## Key Features

- • **Dual Pack Advantage:** Two relays included to keep your vehicle’s electrical system running smoothly
- • **Durable Silver Contacts:** Ensures superior conductivity and long-lasting performance
- • **Power Up with Precision:** Handles up to 40A current for high-demand automotive applications
- • **Versatile Multi-Use Relay:** Perfect for cooling fans, horns, fuel pumps, and more
- • **Seamless 12V Compatibility:** Optimized for standard 12V DC automotive electrical systems

## Overview

The JD1912 Relay is a high-quality 4-pin SPST automotive relay designed for 12V DC systems, capable of handling up to 40A continuous current and 50A peak. Featuring durable silver contacts and copper coils, it ensures reliable electrical conductivity and longevity. Ideal for a wide range of automotive and marine applications, this pack of two relays offers professional-grade performance for powering fans, horns, pumps, and more.

## Description

EPLZON JD1912 Automotive Relay 4 Pin 40A 12V SPST Automotive Switches And Starters Pin :4-Pin SPST (Single Pole Single Throw) Coil Voltage : DC 12V(Max 14V) Max Switching Current:50A Max Switching Voltage:14V Max Switching Power:700W Package Included: 2 x JD1912 Automotive Relay

## Features

- Product Name：JD1912 Automotive DC 4 Pin 12V 40A SPST electrical relay Relay,high quality copper coils and silver contacts create excellent electrical conductivity
- Contact Rating: NO: DC 12V 40A , NC : DC 12V 30A
- Pin Specifications: 30-High power feed,85-Relay coil ground,86-relay coil feed(trigger wire),87-high power output(normally open contact）
- Function: This relay will eliminate a high voltage drop in the wire, so it allows your components to work properly.50A high coil capacity can easily handle those high current applications
- Application: Widely used to install electric cooling fans,Horns, Shaved door handles solenoids, Electric fuel pumps, Electric water Pumps, Trunk solenoids, automotive setups,security systems,car sound systems,and various other applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09LLH7WYK |
| Best Sellers Rank | #87,745 in Automotive ( See Top 100 in Automotive ) #140 in Automotive Replacement Accessory Power Relays |
| Brand Name | EPLZON |
| Coil Voltage | 12 Volts (DC) |
| Connector Type | Pin |
| Contact Current Rating | 40 Amps |
| Contact Material | Silver |
| Contact Type | Normally Closed |
| Current Rating | 40 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (170) |
| Manufacturer | EPLZON |
| Maximum Switching Current | 50 Amps |
| Minimum Switching Voltage | 12 Volts (DC) |
| Model | EP-JD-1912 |
| Mounting Type | Ground Mount,Trunk Mount |
| Operation Mode | Electric |
| Part Number | EP-JD-1912 |
| UPC | 762917456553 |
| Unit Count | 2.0 Count |
| Wattage | 700 watts |

## Product Details

- **Connector Type:** Pin
- **Contact Material:** Silver
- **Contact Type:** Normally Closed
- **Current Rating:** 40 Amps
- **Mounting Type:** Ground Mount,Trunk Mount

## Images

![JD1912 Relay 4 Pin 40A 12V SPST Car Truck Van Motorcycle Boat Relay (Pack of 2 pcs) - Image 1](https://m.media-amazon.com/images/I/71wAK0q2hhL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/398433551-jd1912-relay-4-pin-40a-12v-spst-car-truck-van](https://www.desertcart.tn/products/398433551-jd1912-relay-4-pin-40a-12v-spst-car-truck-van)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-12*