---
product_id: 101731442
title: "MDY 31973K4183 SPB501,551508G Waterproof Ignition Key Starter Switch with 3 Position 5 Terminal 2 Keys Replacement for Cars, Motorcycles, Boats Tractor,Trailer,Digger,Agricultura"
brand: "midiya"
price: "$35.43"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/101731442-mdy-31973k4183-spb501-551508g-waterproof-ignition-key-starter-switch-3
store_origin: US
region: United States of America
---

# 12V high compatibility IP44 waterproof rating 3-position key control MDY 31973K4183 SPB501,551508G Waterproof Ignition Key Starter Switch with 3 Position 5 Terminal 2 Keys Replacement for Cars, Motorcycles, Boats Tractor,Trailer,Digger,Agricultura

**Brand:** midiya
**Price:** $35.43
**Availability:** ✅ In Stock

## Summary

> 🔑 Start Smart, Stay Secure – Power Your Ride with Confidence!

## Quick Answers

- **What is this?** MDY 31973K4183 SPB501,551508G Waterproof Ignition Key Starter Switch with 3 Position 5 Terminal 2 Keys Replacement for Cars, Motorcycles, Boats Tractor,Trailer,Digger,Agricultura by midiya
- **How much does it cost?** $35.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/101731442-mdy-31973k4183-spb501-551508g-waterproof-ignition-key-starter-switch-3)

## Best For

- midiya enthusiasts

## Why This Product

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

## Key Features

- • **Secure Dual-Key System:** Includes 2 iron keys for added security and peace of mind on all your vehicles.
- • **Rugged Zinc Alloy Build:** Durable zinc alloy body paired with copper & iron terminals ensures long-lasting performance under tough conditions.
- • **Precision Fit & Easy Mount:** Designed for a perfect 19mm panel hole fit, making installation quick and hassle-free.
- • **Waterproof IP44 Protection:** Confidently start your engine rain or shine with industry-grade splash resistance.
- • **Universal 12V Ignition Power:** Seamlessly powers cars, motorcycles, boats, tractors & more with reliable 12V operation.

## Overview

The MDY 31973K4183 SPB501 ignition key starter switch is a versatile, waterproof 3-position switch designed for 12V vehicles including cars, motorcycles, boats, tractors, and agricultural machinery. Featuring a durable zinc alloy body, copper and iron terminals, and an IP44 rating, it guarantees reliable performance and easy installation with a precise 19mm panel fit. Comes with 2 iron keys and backed by a 1-year warranty for worry-free use.

## Description

Sponsored Ad - MDY 31973K4183 SPB501,551508G Waterproof Ignition Key Starter Switch with 3 Position 5 Terminal 2 Keys Replacement for Cars, Motorcycles, Boats Tractor,Trailer,Digger,Agricultura

## Features

- 【Introduction】:Digger Starting Suit For 12V Car Engine Starter Switch Universal Vehicle On-off Switch
- 【OEM】: 31973K4183 SPB501,551508G
- 【Adapt To】:Series IIA 88, Series IIA 109, Series III 88, Series III 109
- 【Material】: Zink alloy body of switch & 2 pcs of iron key & Cooper connection terminals & Cooper screw .
- 【Specifications】:Perfectly fits panel hole with 19mm diameter.
- 【EASY TO MOUNT】:Durable,High Performance,Long Working Life,Fully Tested Before Delivery
- 【Quality Guarantee】:One Year Warranty,Hassle-Free Return and Money Back, Shop with Confidence!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Operation Mode | OFF-ON-START |
| Operating Voltage | 12 Volts |
| Contact Type | Normally Open |
| Connector Type | Screw |
| Brand | MIDIYA |
| Terminal | Screw |
| Item dimensions L x W x H | 1.36 x 1.36 x 2 inches |
| Circuit Type | 3-way |
| Actuator Type | Key |
| Contact Material | Copper, Iron |
| International Protection Rating | IP44 |
| Number of Positions | 3 |
| Control Method | Touch |
| Connectivity Protocol | Wi-Fi |
| Color | Terminal 5 P |
| Unit Count | 1 Count |
| Number of Items | 1 |
| Manufacturer | MIDIYA |
| Vehicle Service Type | Cars, Motorcycles, Boats, Tractors, Trailers, Diggers, Agricultural Vehicles |
| Control Type | Ignition Control |
| Compatible Devices | Cars, Motorcycles, Boats, Tractors, Trailers, Diggers, 1989 Chevy, Kawasaki Mule, Johnson, Sierra, Ford 3600/4400, Ford 600 tractor, 8N Ford, Mahindra tractor, Ford F250/4500/4400 tractor, Kubota |
| UPC | 743811117832 |
| Item Weight | 3.1 ounces |
| Product Dimensions | 1.36 x 1.36 x 2 inches |
| Item model number | SPB501 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | MDY-01022 |
| Voltage | 12 Volts |

## Product Details

- **Operation Mode:** OFF-ON-START
- **Operating Voltage:** 12 Volts
- **Contact Type:** Normally Open
- **Connector Type:** Screw
- **Brand:** MIDIYA
- **Switch Type:** Ignition Switch
- **Terminal:** Screw
- **Material:** Zinc Alloy;Cooper;Iron;Bakelite
- **Item dimensions L x W x H:** 1.36 x 1.36 x 2 inches
- **Circuit Type:** 3-way

## Images

![MDY 31973K4183 SPB501,551508G Waterproof Ignition Key Starter Switch with 3 Position 5 Terminal 2 Keys Replacement for Cars, Motorcycles, Boats Tractor,Trailer,Digger,Agricultura - Image 1](https://m.media-amazon.com/images/I/51Zt0Xn93BL.jpg)

## Available Options

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

## Frequently Bought Together

- MDY 31973K4183 SPB501,551508G Waterproof Ignition Key Starter Switch with 3 Position 5 Terminal 2 Keys Replacement for Cars, Motorcycles, Boats Tractor,Trailer,Digger,Agricultura
- TICONN 100 Pcs Nylon Spade Quick Disconnect Connectors Kit, Electrical Insulated Terminals, Male and Female Spade Wire Crimp Terminal Assortment Kit

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/101731442-mdy-31973k4183-spb501-551508g-waterproof-ignition-key-starter-switch-3](https://www.desertcart.us/products/101731442-mdy-31973k4183-spb501-551508g-waterproof-ignition-key-starter-switch-3)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-11*