---
product_id: 182801622
title: "THM-012 Engine Coolant Thermostat with Gasket - Compatible with Select Mitsubishi Diamante, Eclipse, Endeavor, Galant, Montero, Montero Sport"
brand: "aisin"
price: "€ 45.82"
currency: EUR
in_stock: true
reviews_count: 3
url: https://www.desertcart.com.cy/products/182801622-thm-012-engine-coolant-thermostat-with-gasket-compatible-with-select
store_origin: CY
region: Cyprus
---

# OE matched design Correct operating temp High-quality materials THM-012 Engine Coolant Thermostat with Gasket - Compatible with Select Mitsubishi Diamante, Eclipse, Endeavor, Galant, Montero, Montero Sport

**Brand:** aisin
**Price:** € 45.82
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep Your Engine Cool and Your Ride Smooth!

## Quick Answers

- **What is this?** THM-012 Engine Coolant Thermostat with Gasket - Compatible with Select Mitsubishi Diamante, Eclipse, Endeavor, Galant, Montero, Montero Sport by aisin
- **How much does it cost?** € 45.82 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/182801622-thm-012-engine-coolant-thermostat-with-gasket-compatible-with-select)

## Best For

- aisin enthusiasts

## Why This Product

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

## Key Features

- • **Expertly Tested:** Manufactured in Japan, ensuring top-tier quality and performance.
- • **Gasket Included:** Comes with a gasket for hassle-free installation.
- • **Durable Construction:** Crafted from premium materials for longevity and reliability.
- • **Precision Engineering:** Experience unmatched performance with OE matched technology.
- • **Perfect Fit Guaranteed:** Designed to seamlessly integrate with select Mitsubishi models.

## Overview

The AISIN THM-012 Engine Coolant Thermostat is engineered for optimal performance in select Mitsubishi vehicles. With OE matched specifications, it guarantees a perfect fit and reliable operation, ensuring your engine runs at the ideal temperature. Manufactured in Japan with high-quality materials, this thermostat comes with a gasket for easy installation, making it a must-have for any Mitsubishi owner looking to maintain their vehicle's cooling system.

## Description

AISIN THM-012 Engine Coolant Thermostat with Gasket - Compatible with Select Mitsubishi Diamante, Eclipse, Endeavor, Galant, Montero, Montero Sport

## Features

- AISIN OE matched engine coolant thermostats are designed for efficient, consistent performance
- With superior OE technology and know-how, AISIN ensures that every thermostat provides perfect OE form, fit, and function
- Manufactured using only the highest quality materials for long life and dependable cooling system performance
- All AISIN thermostats feature the correct OE specified operating temperature
- Gasket included
- Compatible with select vehicles (engine may affect fitment - verify specific fitment details with fit checker above): MITSUBISHI: 1997-04 Diamante, 2000-05 Eclipse, 2004-08,2010-11 Endeavor, 1999-07,2009 Galant, 1997-02 Montero, 1998-04 Montero Sport

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AISIN |
| Brand | AISIN |
| Model | AISIN |
| Item Weight | 5 ounces |
| Product Dimensions | 3 x 3 x 2.8 inches |
| Country of Origin | Japan |
| Item model number | THM-012 |
| Exterior | Machined |
| Manufacturer Part Number | THM-012 |
| OEM Part Number | MD351861 |

## Images

![THM-012 Engine Coolant Thermostat with Gasket - Compatible with Select Mitsubishi Diamante, Eclipse, Endeavor, Galant, Montero, Montero Sport - Image 1](https://m.media-amazon.com/images/I/81AUHOhu3rL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    perfectly fit to my 2000 mitsubishi montero.
  

*by D***O on Reviewed in the United States on March 23, 2022*

i have no bad comments for this thermostat.it fits as described it works well and fit perfectly to my montero sport.2000.no lies works good.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Fits like OEM. Well made quality part.
  

*by G***. on Reviewed in the United States on June 20, 2018*

Fits like OEM, replaced a questionable thermostat a mechanic had installed, so far not leaking coolant like before.

### ⭐ 1.0 out of 5 stars







  
  
    Did Not fit 2000 Mitsubishi Eclipse
  

*by A***R on Reviewed in the United States on July 10, 2023*

Said it fit my 2000 Mitsubishi eclipse, ending up being wayyy to big.

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**Shop now:** [https://www.desertcart.com.cy/products/182801622-thm-012-engine-coolant-thermostat-with-gasket-compatible-with-select](https://www.desertcart.com.cy/products/182801622-thm-012-engine-coolant-thermostat-with-gasket-compatible-with-select)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-15*