---
product_id: 264522270
title: "THT-015 Engine Coolant Thermostat - Compatible with Select Lexus GS400, GS430, GX470, LS400, LS430, LX450, LX470, SC400, SC430 Toyota 4Runner, Land Cruiser, Sequoia, Tundra"
brand: "aisin"
price: "£34.71"
currency: GBP
in_stock: true
reviews_count: 5
url: https://www.desertcart.co.uk/products/264522270-tht-015-engine-coolant-thermostat-compatible-with-select-lexus-gs400
store_origin: GB
region: United Kingdom
---

# Perfect OE form, fit & function OE specified operating temp High-quality durable materials THT-015 Engine Coolant Thermostat - Compatible with Select Lexus GS400, GS430, GX470, LS400, LS430, LX450, LX470, SC400, SC430 Toyota 4Runner, Land Cruiser, Sequoia, Tundra

**Brand:** aisin
**Price:** £34.71
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your engine cool, your ride smooth, and your status premium! 🔥

## Quick Answers

- **What is this?** THT-015 Engine Coolant Thermostat - Compatible with Select Lexus GS400, GS430, GX470, LS400, LS430, LX450, LX470, SC400, SC430 Toyota 4Runner, Land Cruiser, Sequoia, Tundra by aisin
- **How much does it cost?** £34.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/264522270-tht-015-engine-coolant-thermostat-compatible-with-select-lexus-gs400)

## 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

- • **Trusted Global Leader:** From AISIN, a $25B automotive parts innovator with decades of expertise
- • **Durability You Can Trust:** Crafted from premium materials ensuring long-lasting cooling system reliability
- • **Seamless OE Compatibility:** Engineered to match original equipment for flawless fit and function
- • **Wide Vehicle Compatibility:** Fits select Lexus and Toyota models, including Tundra, Land Cruiser, and GX470
- • **Precision Temperature Control:** Maintains exact OE operating temperature for optimal engine performance

## Overview

The AISIN THT-015 Engine Coolant Thermostat delivers precise temperature regulation with OE-matched form, fit, and function. Manufactured from top-tier materials, it ensures dependable cooling system performance for select Lexus and Toyota vehicles. Backed by AISIN’s global reputation and engineering excellence, this thermostat is a must-have upgrade for millennial professionals who demand reliability and efficiency in their drive.

## 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

## 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 not included
- Compatible with select vehicles (engine may affect fitment - verify specific fitment details with fit checker above): LEXUS: 1998-00 GS400, 2001-07 GS430, 2003-09 GX470, 1998-00 LS400, 2001-06 LS430, 1996-97 LX450, 1998-07 LX470
- Compatible with (continued): LEXUS: 1998-00 SC400, 2002-10 SC430; TOYOTA: 2003-09 4Runner, 1993-07 Land Cruiser, 2001-09 Sequoia, 2000-09 Tundra

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B01LZVUYEZ |
| Best Sellers Rank | #86,324 in Automotive (See Top 100 in Automotive) #130 in Car Engine Thermostats |
| Brand | AISIN |
| Customer Reviews | 4.6 4.6 out of 5 stars (301) 4.6 out of 5 stars |
| Date First Available | 15 September 2023 |
| Exterior | Machined |
| Item Model Number | THT-015 |
| Item Weight | 170 g |
| Manufacturer | AISIN |
| Manufacturer Part Number | THT-015 |
| Model | AISIN |
| Oem Part Number | 90916-03100 |
| Position | Center |
| Product Dimensions | 7.62 x 7.62 x 7.11 cm; 170 g |

## Images

![THT-015 Engine Coolant Thermostat - Compatible with Select Lexus GS400, GS430, GX470, LS400, LS430, LX450, LX470, SC400, SC430 Toyota 4Runner, Land Cruiser, Sequoia, Tundra - Image 1](https://m.media-amazon.com/images/I/816hpM3IRgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked perfectly.
*by  on Reviewed in Canada 5 May 2026*

Worked perfectly for my 2007 Toyota Tundra, 4.7L.

### ⭐⭐⭐⭐⭐ Excellent!!
*by  on Reviewed in the United States 20 September 2026*

OEM quality aftermarket replacement!

### ⭐⭐⭐⭐⭐ Good fit works
*by  on Reviewed in the United States 20 September 2026*

Fit fine in my 2000 LS 4000

## Frequently Bought Together

- AISIN THT-015 Engine Coolant Thermostat - Compatible with Select Lexus GS400, GS430, GX470, LS400, LS430, LX450, LX470, SC400, SC430 Toyota 4Runner, Land Cruiser, Sequoia, Tundra
- AISIN TKT-021 Engine Timing Belt Kit with Water Pump - Compatible with Select Lexus GS400, GS430, GX470, LS400, LS430, LX470, SC400, SC430 Toyota 4Runner, Land Cruiser, Sequoia, Tundra
- Toyota Genuine Thermostat Gasket

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**Shop now:** [https://www.desertcart.co.uk/products/264522270-tht-015-engine-coolant-thermostat-compatible-with-select-lexus-gs400](https://www.desertcart.co.uk/products/264522270-tht-015-engine-coolant-thermostat-compatible-with-select-lexus-gs400)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-11-14*