Mishimoto Racing Thermostat and Housing

Part #: MMTS-LEX-06

Overview

The Mishimoto Racing Thermostat and Housing are designed to optimize your Lexus IS250’s cooling system for high-performance driving and track use. Crafted specifically for models from 2006 to 2015, this kit helps improve coolant flow and temperature regulation, supporting your vehicle’s reliability and responsiveness during demanding conditions. Whether you're a dedicated enthusiast or a professional tuner, this upgrade ensures your engine maintains optimal operating temperatures, reducing the risk of overheating and enhancing overall engine efficiency. Constructed with high-quality materials, the Mishimoto Racing Thermostat features a precision-engineered valve that opens at a slightly lower temperature than stock, promoting better heat dissipation. The durable housing is designed to withstand extreme temperatures and harsh conditions, ensuring long-lasting performance. This product is ideal for those seeking to maximize their vehicle’s cooling capacity and support aggressive driving styles or extended track sessions.

Key Features

This racing thermostat and housing set offers several practical benefits:

• Precision-machined aluminum housing for durability and heat resistance
• High-flow thermostat valve for improved coolant circulation
• Lower activation temperature to help prevent overheating during intense driving
• Easy installation with direct-fit design for Lexus IS250 (2006-2015)
• Corrosion-resistant coating for extended lifespan
• Supports high-performance cooling needs in demanding conditions

Construction & Design

The Mishimoto Racing Thermostat and Housing are constructed from high-grade aluminum and stainless steel components, ensuring excellent thermal conductivity and corrosion resistance. The precision-machined housing features a sleek, lightweight design that integrates seamlessly with your vehicle’s existing cooling system. The thermostat valve is engineered for consistent operation, providing reliable temperature control under extreme conditions.

Installation & Fitment

This kit is designed as a direct replacement for the stock thermostat and housing on 2006-2015 Lexus IS250 models. Installation involves removing the existing components and replacing them with the Mishimoto parts, making it suitable for DIY enthusiasts with basic mechanical skills. Proper coolant system bleeding is recommended after installation to ensure optimal performance.

What’s Included

The package includes the high-performance thermostat, aluminum housing, gasket, and necessary hardware for a complete upgrade. Upgrade your Lexus IS250’s cooling system with the Mishimoto Racing Thermostat and Housing to enhance reliability, support aggressive driving, and maintain optimal engine temperatures during demanding conditions.