Mishimoto 06-15 Lexus IS250 Racing Thermostat - 68°C for Improved Cooling Efficiency

The Mishimoto racing thermostat for the Lexus IS250 2006-2015 is designed to help your cooling system operate at peak efficiency, whether you're cruising to your local car meet or tearing up the track. Our thermostat begins to open 25.2F (14C) earlier than the stock thermostat at 154.4F (68C). That allows precious coolant to flow into the radiator and start shedding heat sooner. Couple this thermostat with a Mishimoto performance aluminum radiator and you have the recipe for an engine that runs cool no matter the situation. This 2006-2015 Lexus IS250 thermostat includes an OEM-quality housing for a perfect fit and, like all of our thermostats, it's backed by our Mishimoto Lifetime Warranty. Engine coolant thermostat designed to regulate coolant flow and maintain optimal operating temperature. Ensures efficient warm-up, prevents overheating, and supports reliable performance with a precise fit.

• Allows cooling system to operate at peak efficiency
• Begins opening 25.2F (14C) earlier than stock
• Includes OEM-quality thermostat housing

Enhance your Lexus IS250's cooling system with the Mishimoto Part Number MMTS-LEX-06 racing thermostat, designed specifically for models from 2006 to 2015. This high-performance thermostat begins to open approximately 25.2°F (14°C) earlier than the stock component at around 154.4°F (68°C), allowing coolant to flow into the radiator sooner and helping your engine maintain optimal operating temperatures. This feature is especially beneficial during spirited driving or track use, where maintaining a consistent engine temperature is critical for performance and longevity. The thermostat includes an OEM-quality housing, ensuring a perfect fit and seamless installation, and is backed by Mishimoto’s lifetime warranty for peace of mind. Pairing this thermostat with a Mishimoto aluminum radiator creates an effective cooling system that keeps your engine running cool under demanding conditions, reducing the risk of overheating and improving overall reliability. It is compatible with various Lexus models including the GS300, GS450h, and IS250/350 from 2006 to 2015, making it a versatile upgrade for enthusiasts seeking enhanced cooling performance. Designed with precision engineering, this thermostat supports efficient warm-up, prevents overheating, and ensures your vehicle operates at peak efficiency. Whether for daily driving or competitive racing, this component is an essential upgrade for maintaining engine health and optimal performance. The Mishimoto racing thermostat is a reliable, high-quality solution that combines durability with precise temperature regulation, tailored for the discerning automotive enthusiast. It’s engineered to fit seamlessly into your existing cooling system, making installation straightforward and effective for long-term use.

Features:

• Allows cooling system to operate at peak efficiency

• Begins opening 25.2°F (14°C) earlier than stock

• Includes OEM-quality thermostat housing

Fitment:
2006 Lexus GS300 Base
2006 Lexus IS250 Base
2006 Lexus IS350 Base
2007 Lexus GS350 Base
2007 Lexus GS450h Base
2007 Lexus IS250 Base
2007 Lexus IS350 Base
2008 Lexus GS350 Base
2008 Lexus GS450h Base
2008 Lexus IS250 Base
2008 Lexus IS350 Base
2009 Lexus GS350 Base
2009 Lexus GS450h Base
2009 Lexus IS250 Base
2009 Lexus IS350 Base
2010 Lexus GS350 Base
2010 Lexus GS450h Base
2010 Lexus IS250 Base
2010 Lexus IS250 C
2010 Lexus IS350 Base
2010 Lexus IS350 C
2011 Lexus GS350 Base
2011 Lexus GS450h Base
2011 Lexus IS250 Base
2011 Lexus IS250 C
2011 Lexus IS350 Base
2011 Lexus IS350 C
2012 Lexus IS250 Base
2012 Lexus IS250 C
2012 Lexus IS350 Base
2012 Lexus IS350 C
2013 Lexus GS350 Base
2013 Lexus GS350 F Sport
2013 Lexus GS450h Base
2013 Lexus IS250 Base
2013 Lexus IS250 C
2013 Lexus IS350 Base
2013 Lexus IS350 C
2014 Lexus GS350 Base
2014 Lexus GS350 F Sport
2014 Lexus GS450h Base
2014 Lexus IS250 Base
2014 Lexus IS250 C
2014 Lexus IS250 C F Sport
2014 Lexus IS250 F Sport
2014 Lexus IS350 Base
2014 Lexus IS350 C
2014 Lexus IS350 C F Sport
2014 Lexus IS350 F Sport
2015 Lexus GS350 Base
2015 Lexus GS350 F Sport
2015 Lexus GS450h Base
2015 Lexus GS450h F Sport
2015 Lexus IS250 Base
2015 Lexus IS250 C
2015 Lexus IS250 C F Sport
2015 Lexus IS250 F Sport
2015 Lexus IS350 Base
2015 Lexus IS350 C
2015 Lexus IS350 C F Sport
2015 Lexus IS350 F Sport
2015 Lexus RC350 Base
2015 Lexus RC350 F Sport
2016 Lexus GS450h Base
2016 Lexus GS450h F Sport
2016 Lexus IS300 Base
2016 Lexus IS300 F Sport
2016 Lexus IS350 Base
2016 Lexus IS350 F Sport
2016 Lexus RC300 Base
2016 Lexus RC300 F Sport
2016 Lexus RC350 Base
2016 Lexus RC350 F Sport
2017 Lexus GS450h Base
2017 Lexus GS450h F Sport
2017 Lexus IS300 Base
2017 Lexus IS300 F Sport
2017 Lexus IS350 Base
2017 Lexus IS350 F Sport
2017 Lexus RC300 Base
2017 Lexus RC300 F Sport
2018 Lexus GS450h Base
2018 Lexus GS450h F Sport
2018 Lexus IS300 Base
2018 Lexus IS300 F Sport

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1