---
product_id: 157981065
title: "Replacement for LS Mtron RELAY-START-TRG750-40007175/MT40007175/Q1800018/LG4378"
brand: "ls mtron"
price: "¥13405"
currency: JPY
in_stock: true
category: "Ls Mtron"
url: https://www.desertcart.jp/products/157981065-replacement-for-ls-mtron-relay-start-trg750-40007175-mt40007175-q1800018
store_origin: JP
region: Japan
---

# Silver contacts for superior conductivity Surface mount for easy installation Compatible with 10+ major tractor brands Replacement for LS Mtron RELAY-START-TRG750-40007175/MT40007175/Q1800018/LG4378

**Brand:** ls mtron
**Price:** ¥13405
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your tractor with precision and ease!

## Quick Answers

- **What is this?** Replacement for LS Mtron RELAY-START-TRG750-40007175/MT40007175/Q1800018/LG4378 by ls mtron
- **How much does it cost?** ¥13405 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/157981065-replacement-for-ls-mtron-relay-start-trg750-40007175-mt40007175-q1800018)

## Best For

- ls mtron enthusiasts

## Why This Product

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

## Key Features

- • **Silver Lining:** Premium silver contact material ensures reliable, corrosion-resistant conductivity
- • **Plug & Play Power:** Effortless surface mount design means zero downtime on your tractor
- • **Automatic Operation:** Smart relay starts your engine with precision and consistency every time
- • **Top-Rated Reliability:** 4.7-star customer approval proves this relay is the trusted choice for professionals
- • **Universal Tractor Fit:** Seamlessly replaces original parts for Farmtrac, New Holland, Landtrac, LS, McCormick, CNH, and Montana models

## Overview

This LS Mtron replacement relay (Part #40007175) is a high-quality, surface-mount starter relay featuring silver contacts for enhanced conductivity. Designed for automatic operation, it fits a wide range of tractor brands including Farmtrac, New Holland, Landtrac, LS, McCormick, CNH, and Montana. With a strong 4.7-star rating and easy installation, it’s the go-to relay for reliable tractor startups.

## Description

This replacement for LS Mtron RELAY-START-TRG750 is used in Farmtrac, New Holland, Landtrac, LS, McCormick, CNH, and Montana tractors

## Features

- Replacemen for LS Mtron Part 40007175
- Replacement LS Mtron RELAY-START-TRG750 for Farmtrac, New Holland, Landtrac, LS, McCormick, CNH, and Montana tractors
- Replacement for New Holland parts BOOMER 50, BOOMER 40, WORKMASTER 35, BOOMER 25, BOOMER 46D, BOOMER 54D, WORKMASTER 40, BOOMER 30, BOOMER 35, BOOMER 20

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JRBPH1X |
| Best Sellers Rank | #731,744 in Automotive ( See Top 100 in Automotive ) #411 in Automotive Replacement Starter Relays |
| Brand Name | LS Mtron |
| Connector Type | Through Hole |
| Contact Material | Silver |
| Contact Type | Normally Open |
| Customer Reviews | 4.7 4.7 out of 5 stars (28) |
| Manufacturer | LS Mtron |
| Mounting Type | Surface Mount |
| Number of Items | 1 |
| Operation Mode | Automatic |
| Part Number | 40007175 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** LS Mtron
- **Connector Type:** Through Hole
- **Contact Material:** Silver
- **Contact Type:** Normally Open
- **Mounting Type:** Surface Mount

## Images

![Replacement for LS Mtron RELAY-START-TRG750-40007175/MT40007175/Q1800018/LG4378 - Image 1](https://m.media-amazon.com/images/I/41gaw3bFH9L.jpg)
![Replacement for LS Mtron RELAY-START-TRG750-40007175/MT40007175/Q1800018/LG4378 - Image 2](https://m.media-amazon.com/images/I/4145epbGiFL.jpg)
![Replacement for LS Mtron RELAY-START-TRG750-40007175/MT40007175/Q1800018/LG4378 - Image 3](https://m.media-amazon.com/images/I/61+GNllYZbL.jpg)

## Questions & Answers

**Q: What does this relay control? anything to do with starting from the key? i'm having no luck finding parts schematics or descriptions for ls tractors.**
A: We can provide you with parts books. No schematics are availaible with us
What tractor do you need help on.
regards
Ken
2528855528

## Frequently Bought Together

- LS Mtron Replacement RELAY-START-TRG750-40007175/MT40007175/Q1800018/LG4378
- Generic Automatic Relay-Twin-TRG750 40198043 MT40198043 for LS Mtron Tractors

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**Shop now:** [https://www.desertcart.jp/products/157981065-replacement-for-ls-mtron-relay-start-trg750-40007175-mt40007175-q1800018](https://www.desertcart.jp/products/157981065-replacement-for-ls-mtron-relay-start-trg750-40007175-mt40007175-q1800018)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-19*