---
product_id: 42997067
title: "AISIN GENUINE THT-003 Engine Coolant Thermostat with Housing and Gasket - Compatible with Select Toyota 4Runner, FJ Cruiser, Tacoma, Tundra"
brand: "aisin"
price: "€ 66.66"
currency: EUR
in_stock: true
reviews_count: 13
category: "Aisin"
url: https://www.desertcart.hr/products/42997067-aisin-genuine-tht-003-engine-coolant-thermostat-with-housing-gasket
store_origin: HR
region: Croatia
---

# Long-lasting high-quality materials OE specified operating temp Perfect OE form, fit & function AISIN GENUINE THT-003 Engine Coolant Thermostat with Housing and Gasket - Compatible with Select Toyota 4Runner, FJ Cruiser, Tacoma, Tundra

**Brand:** aisin
**Price:** € 66.66
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep your engine cool, your ride smooth, and your status premium.

## Quick Answers

- **What is this?** AISIN GENUINE THT-003 Engine Coolant Thermostat with Housing and Gasket - Compatible with Select Toyota 4Runner, FJ Cruiser, Tacoma, Tundra by aisin
- **How much does it cost?** € 66.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/42997067-aisin-genuine-tht-003-engine-coolant-thermostat-with-housing-gasket)

## 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

- • **Durability You Can Trust:** Crafted from premium materials to withstand heat and wear, extending your vehicle’s lifespan.
- • **Precision Engine Cooling:** Maintains exact OE temperature for optimal engine performance and efficiency.
- • **Seamless OEM Integration:** Engineered to match AISIN’s original equipment standards ensuring flawless fit and function.
- • **Complete Installation Kit:** Includes thermostat, housing, and gasket for a hassle-free, all-in-one replacement experience.
- • **Wide Vehicle Compatibility:** Specifically designed for select Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra models (2003-2022).

## Overview

The AISIN THT-003 Engine Coolant Thermostat with Housing and Gasket is a genuine OE-matched replacement part designed for select Toyota trucks and SUVs. Engineered with superior materials and precision technology, it ensures consistent engine temperature control, perfect fitment, and long-lasting durability. This all-in-one kit simplifies installation while maintaining your vehicle’s peak performance and reliability.

## Description

Product Description AISIN OE matched engine coolant thermostats are designed for efficient, consistent performance and manufactured using only the highest quality materials. With superior OE technology and know-how, AISIN ensures that every thermostat provides perfect OE form, fit, and function and features the correct OE specified operating temperature. AISIN is a leader in the development and production of high-quality original equipment matched components and systems for the automotive industry. Founded in 1965 to produce original equipment automotive parts, AISIN has grown into a $25+ billion global enterprise with approximately 70,000 employees worldwide. Superior products through engineering excellence, progressive technological development, and dedication to service are some factors which have contributed to bringing AISIN to its position as a multiple-award-winning global leader in automotive parts. Set Contains: Thermostat

Review: Perfect Fit 2004 4Runner V6 - I have 2004 4Runner SR5 V6. Needed to replace thermostat and saw they are sold as a set. Perfect fit, good gasket, no leaks, looks like OEM. Great price easy install, quality part. Tom S
Review: OEM direct replacement. - Perfect direct fit. Great price. Was OEM. Works as it should.

## 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
- Thermostat housing and gasket included
- Compatible with select vehicles (engine may affect fitment - verify specific fitment details with fit checker above): TOYOTA: 2003-22 4Runner, 2007-14 FJ Cruiser, 2005-15 Tacoma, 2005-14 Tundra

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01LWMM1Y7 |
| Backlight | No |
| Best Sellers Rank | #66,722 in Automotive ( See Top 100 in Automotive ) #77 in Automotive Replacement Engine Thermostats |
| Brand Name | AISIN |
| Color | Black |
| Connectivity Protocol | Wired |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Button Control |
| Controller Type | Push Button |
| Customer Reviews | 4.6 4.6 out of 5 stars (207) |
| Display Type | manual |
| Global Trade Identification Number | 04580281458685 |
| Included Components | THT-003 |
| Item Type Name | Thermostat with Housing |
| Item Weight | 0.44 Pounds |
| Manufacturer | AISIN |
| Manufacturer Warranty Description | Includes manufacturer provided warranty. |
| Model Name | AISIN |
| Model Number | THT-003 |
| Mounting Type | Wall Mount |
| Power Source | Hardwire |
| Product Style | Functional |
| Shape | Round |
| Specific Uses For Product | Automotive Engine Cooling System |
| Temperature Control Type | Digital |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** AISIN
- **Color:** Black
- **Controller Type:** Push Button
- **Model Name:** AISIN
- **Specific Uses For Product:** Automotive Engine Cooling System

## Images

![AISIN GENUINE THT-003 Engine Coolant Thermostat with Housing and Gasket - Compatible with Select Toyota 4Runner, FJ Cruiser, Tacoma, Tundra - Image 1](https://m.media-amazon.com/images/I/81XLslY0+JL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect Fit 2004 4Runner V6
*by T***. on June 12, 2025*

I have 2004 4Runner SR5 V6. Needed to replace thermostat and saw they are sold as a set. Perfect fit, good gasket, no leaks, looks like OEM. Great price easy install, quality part. Tom S

### ⭐⭐⭐⭐⭐ OEM direct replacement.
*by J***S on September 5, 2025*

Perfect direct fit. Great price. Was OEM. Works as it should.

### ⭐⭐⭐⭐⭐ Copan
*by P***Z on November 3, 2025*

Very good fit with my 2007 toyota tundra 4.0 I recommend

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-04-24*