---
product_id: 42997067
title: "AISIN THT-003 Engine Coolant Thermostat with Housing and Gasket - Compatible with Select Toyota 4Runner, FJ Cruiser, Tacoma, Tundra"
brand: "aisin"
price: "R1125"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Aisin"
url: https://www.desertcart.co.za/products/42997067-aisin-tht-003-engine-coolant-thermostat-with-housing-and-gasket
store_origin: ZA
region: South Africa
---

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

**Brand:** aisin
**Price:** R1125
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep your engine cool, your ride smooth, and your Toyota running like a boss!

## Quick Answers

- **What is this?** AISIN 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?** R1125 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/42997067-aisin-tht-003-engine-coolant-thermostat-with-housing-and-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 ensuring long life and dependable cooling system reliability.
- • **Proven Performance & Fit:** Highly rated by users for perfect fit and leak-free operation, making it the smart choice for your Toyota.
- • **Complete Installation Kit:** Includes thermostat housing and gasket for a hassle-free, all-in-one replacement experience.
- • **Seamless OEM Compatibility:** Engineered to deliver perfect form, fit, and function for select Toyota models—no guesswork, just flawless installation.
- • **Precision Temperature Control:** Maintains exact OE specified operating temperature for optimal engine performance.

## Overview

The AISIN THT-003 Engine Coolant Thermostat with Housing and Gasket is a premium OE-matched replacement part designed specifically for select Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra models. Engineered with superior materials and precision technology, it ensures exact operating temperature control, perfect fitment, and long-lasting durability. This all-in-one kit simplifies installation and guarantees reliable cooling system performance, making it the trusted choice for professional-grade vehicle maintenance.

## 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 | #36,617 in Automotive ( See Top 100 in Automotive ) #43 in Automotive Replacement Engine Thermostats |
| Brand | AISIN |
| Color | Black |
| Connectivity Protocol | Wired |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Button Control |
| Controller Type | Push Button |
| Customer Reviews | 4.7 4.7 out of 5 stars (197) |
| Date First Available | September 22, 2016 |
| Display Type | manual |
| Global Trade Identification Number | 04580281458685 |
| Included Components | THT-003 |
| Item Weight | 7 ounces |
| Item model number | THT-003 |
| Manufacturer | AISIN |
| Manufacturer Part Number | THT-003 |
| Model Name | AISIN |
| Mounting Type | Wall Mount |
| OEM Part Number | 16031-0P010 |
| Power Source | Hardwire |
| Product Dimensions | 6.3 x 6.3 x 3.3 inches |
| Shape | Round |
| Specific Uses For Product | Automotive Engine Cooling System |
| Style | Functional |
| Temperature Control Type | Digital |

## Product Details

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

## Images

![AISIN 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 South Africa*
*Store origin: ZA*
*Last updated: 2026-02-23*