{"product_id":"mishimoto-06-15-lexus-is250-racing-thermostat-68-c-for-improved-cooling-efficiency","title":"Mishimoto 06-15 Lexus IS250 Racing Thermostat - 68°C for Improved Cooling Efficiency","description":"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.\nEngine 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.\n\u003cul\u003e\n  \u003cli\u003eAllows cooling system to operate at peak efficiency\u003c\/li\u003e\n  \u003cli\u003eBegins opening 25.2F (14C) earlier than stock\u003c\/li\u003e\n  \u003cli\u003eIncludes OEM-quality thermostat housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnhance 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.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAllows cooling system to operate at peak efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBegins opening 25.2°F (14°C) earlier than stock\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes OEM-quality thermostat housing\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2006 Lexus GS300 Base\u003cbr\u003e\n2006 Lexus IS250 Base\u003cbr\u003e\n2006 Lexus IS350 Base\u003cbr\u003e\n2007 Lexus GS350 Base\u003cbr\u003e\n2007 Lexus GS450h Base\u003cbr\u003e\n2007 Lexus IS250 Base\u003cbr\u003e\n2007 Lexus IS350 Base\u003cbr\u003e\n2008 Lexus GS350 Base\u003cbr\u003e\n2008 Lexus GS450h Base\u003cbr\u003e\n2008 Lexus IS250 Base\u003cbr\u003e\n2008 Lexus IS350 Base\u003cbr\u003e\n2009 Lexus GS350 Base\u003cbr\u003e\n2009 Lexus GS450h Base\u003cbr\u003e\n2009 Lexus IS250 Base\u003cbr\u003e\n2009 Lexus IS350 Base\u003cbr\u003e\n2010 Lexus GS350 Base\u003cbr\u003e\n2010 Lexus GS450h Base\u003cbr\u003e\n2010 Lexus IS250 Base\u003cbr\u003e\n2010 Lexus IS250 C\u003cbr\u003e\n2010 Lexus IS350 Base\u003cbr\u003e\n2010 Lexus IS350 C\u003cbr\u003e\n2011 Lexus GS350 Base\u003cbr\u003e\n2011 Lexus GS450h Base\u003cbr\u003e\n2011 Lexus IS250 Base\u003cbr\u003e\n2011 Lexus IS250 C\u003cbr\u003e\n2011 Lexus IS350 Base\u003cbr\u003e\n2011 Lexus IS350 C\u003cbr\u003e\n2012 Lexus IS250 Base\u003cbr\u003e\n2012 Lexus IS250 C\u003cbr\u003e\n2012 Lexus IS350 Base\u003cbr\u003e\n2012 Lexus IS350 C\u003cbr\u003e\n2013 Lexus GS350 Base\u003cbr\u003e\n2013 Lexus GS350 F Sport\u003cbr\u003e\n2013 Lexus GS450h Base\u003cbr\u003e\n2013 Lexus IS250 Base\u003cbr\u003e\n2013 Lexus IS250 C\u003cbr\u003e\n2013 Lexus IS350 Base\u003cbr\u003e\n2013 Lexus IS350 C\u003cbr\u003e\n2014 Lexus GS350 Base\u003cbr\u003e\n2014 Lexus GS350 F Sport\u003cbr\u003e\n2014 Lexus GS450h Base\u003cbr\u003e\n2014 Lexus IS250 Base\u003cbr\u003e\n2014 Lexus IS250 C\u003cbr\u003e\n2014 Lexus IS250 C F Sport\u003cbr\u003e\n2014 Lexus IS250 F Sport\u003cbr\u003e\n2014 Lexus IS350 Base\u003cbr\u003e\n2014 Lexus IS350 C\u003cbr\u003e\n2014 Lexus IS350 C F Sport\u003cbr\u003e\n2014 Lexus IS350 F Sport\u003cbr\u003e\n2015 Lexus GS350 Base\u003cbr\u003e\n2015 Lexus GS350 F Sport\u003cbr\u003e\n2015 Lexus GS450h Base\u003cbr\u003e\n2015 Lexus GS450h F Sport\u003cbr\u003e\n2015 Lexus IS250 Base\u003cbr\u003e\n2015 Lexus IS250 C\u003cbr\u003e\n2015 Lexus IS250 C F Sport\u003cbr\u003e\n2015 Lexus IS250 F Sport\u003cbr\u003e\n2015 Lexus IS350 Base\u003cbr\u003e\n2015 Lexus IS350 C\u003cbr\u003e\n2015 Lexus IS350 C F Sport\u003cbr\u003e\n2015 Lexus IS350 F Sport\u003cbr\u003e\n2015 Lexus RC350 Base\u003cbr\u003e\n2015 Lexus RC350 F Sport\u003cbr\u003e\n2016 Lexus GS450h Base\u003cbr\u003e\n2016 Lexus GS450h F Sport\u003cbr\u003e\n2016 Lexus IS300 Base\u003cbr\u003e\n2016 Lexus IS300 F Sport\u003cbr\u003e\n2016 Lexus IS350 Base\u003cbr\u003e\n2016 Lexus IS350 F Sport\u003cbr\u003e\n2016 Lexus RC300 Base\u003cbr\u003e\n2016 Lexus RC300 F Sport\u003cbr\u003e\n2016 Lexus RC350 Base\u003cbr\u003e\n2016 Lexus RC350 F Sport\u003cbr\u003e\n2017 Lexus GS450h Base\u003cbr\u003e\n2017 Lexus GS450h F Sport\u003cbr\u003e\n2017 Lexus IS300 Base\u003cbr\u003e\n2017 Lexus IS300 F Sport\u003cbr\u003e\n2017 Lexus IS350 Base\u003cbr\u003e\n2017 Lexus IS350 F Sport\u003cbr\u003e\n2017 Lexus RC300 Base\u003cbr\u003e\n2017 Lexus RC300 F Sport\u003cbr\u003e\n2018 Lexus GS450h Base\u003cbr\u003e\n2018 Lexus GS450h F Sport\u003cbr\u003e\n2018 Lexus IS300 Base\u003cbr\u003e\n2018 Lexus IS300 F Sport\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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