{"product_id":"mishimoto-99-05-volkswagen-gti-1-8t-racing-thermostat-improved-cooling-performance","title":"Mishimoto 99-05 Volkswagen GTI 1.8T Racing Thermostat - Improved Cooling Performance","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eUpgrade your Volkswagen GTI 1.8T with the Mishimoto Part Number misMMTS-GTI-99 racing thermostat, designed to enhance your vehicle's cooling efficiency whether on the street or at the track. This high-performance thermostat opens at a lower temperature of approximately 180°F compared to the stock 188.6°F, allowing coolant to circulate earlier in the engine's warm-up cycle. This early activation helps maintain cooler engine temperatures under demanding driving conditions, reducing thermal stress and improving overall engine reliability.\u003cbr\u003eConstructed for precise fitment and reliable operation, the Mishimoto racing thermostat is a direct replacement for the factory component and is compatible with a variety of models including the 1998-2005 Volkswagen Golf, Jetta, and Passat, as well as several Audi A4 and TT models equipped with 1.8T engines. The thermostat features a durable design built to withstand the rigors of racing and high-performance driving, backed by Mishimoto's signature Lifetime Warranty for peace of mind.\u003cbr\u003eInstalling this thermostat is a straightforward upgrade that offers tangible benefits in cooling performance, especially during aggressive driving or high-temperature conditions. Its lower activation temperature ensures your engine remains at optimal operating temperatures, helping prevent overheating and potential engine damage. Perfect for enthusiasts seeking improved thermal management or those pushing their vehicles in competitive environments, the Mishimoto 99-05 VW GTI 1.8T racing thermostat is a reliable addition to any performance setup.\u003cbr\u003eMade with quality materials and engineered for precise operation, this thermostat contributes to more consistent engine temperatures, supporting better power delivery and efficiency. Whether upgrading a stock setup or preparing for a track day, this component ensures your vehicle can handle increased thermal loads without compromising performance or durability. Trust Mishimoto’s proven engineering and lifetime warranty to keep your vehicle running cooler and more efficiently over the long term.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLower activation temperature: Opens at 180°F, compared to stock 188.6°F, promoting earlier coolant flow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDirect replacement for stock thermostat, ensuring seamless fit and installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurable construction designed for racing and high-performance applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with a wide range of Volkswagen and Audi models equipped with 1.8T engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes Mishimoto Lifetime Warranty for guaranteed quality and reliability\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003eFitment:\n\u003cbr\u003e1997 Audi A4 Base\n\u003cbr\u003e1998 Audi A4 Base\n\u003cbr\u003e1998 Volkswagen Beetle Base\n\u003cbr\u003e1998 Volkswagen Golf GL\n\u003cbr\u003e1998 Volkswagen Golf K2\n\u003cbr\u003e1998 Volkswagen Jetta GL\n\u003cbr\u003e1998 Volkswagen Jetta GLS\n\u003cbr\u003e1998 Volkswagen Jetta GT\n\u003cbr\u003e1998 Volkswagen Jetta K2\n\u003cbr\u003e1998 Volkswagen Jetta Wolfsburg Edition\n\u003cbr\u003e1998 Volkswagen Passat GLS\n\u003cbr\u003e1999 Audi A4 Base\n\u003cbr\u003e1999 Volkswagen Beetle GL\n\u003cbr\u003e1999 Volkswagen Beetle GLS\n\u003cbr\u003e1999 Volkswagen Beetle GLX\n\u003cbr\u003e1999 Volkswagen Golf GL\n\u003cbr\u003e1999 Volkswagen Golf GLS\n\u003cbr\u003e1999 Volkswagen Golf Wolfsburg Edition\n\u003cbr\u003e1999 Volkswagen Jetta GL\n\u003cbr\u003e1999 Volkswagen Jetta GLS\n\u003cbr\u003e1999 Volkswagen Jetta Wolfsburg Edition\n\u003cbr\u003e1999 Volkswagen Passat GLS\n\u003cbr\u003e2000 Audi A4 Base\n\u003cbr\u003e2000 Volkswagen Beetle GL\n\u003cbr\u003e2000 Volkswagen Beetle GLS\n\u003cbr\u003e2000 Volkswagen Beetle GLX\n\u003cbr\u003e2000 Volkswagen Golf GL\n\u003cbr\u003e2000 Volkswagen Golf GLS\n\u003cbr\u003e2000 Volkswagen Golf GTI GLS\n\u003cbr\u003e2000 Volkswagen Jetta GL\n\u003cbr\u003e2000 Volkswagen Jetta GLS\n\u003cbr\u003e2000 Volkswagen Passat GLS\n\u003cbr\u003e2001 Audi A4 Base\n\u003cbr\u003e2001 Volkswagen Beetle GL\n\u003cbr\u003e2001 Volkswagen Beetle GLS\n\u003cbr\u003e2001 Volkswagen Beetle GLX\n\u003cbr\u003e2001 Volkswagen Beetle Sport\n\u003cbr\u003e2001 Volkswagen Golf GL\n\u003cbr\u003e2001 Volkswagen Golf GLS\n\u003cbr\u003e2001 Volkswagen Golf GTI GLS\n\u003cbr\u003e2001 Volkswagen Jetta GL\n\u003cbr\u003e2001 Volkswagen Jetta GLS\n\u003cbr\u003e2001 Volkswagen Jetta Wolfsburg Edition\n\u003cbr\u003e2001 Volkswagen Passat GLS\n\u003cbr\u003e2002 Volkswagen Beetle GL\n\u003cbr\u003e2002 Volkswagen Beetle GLS\n\u003cbr\u003e2002 Volkswagen Beetle GLX\n\u003cbr\u003e2002 Volkswagen Beetle Sport\n\u003cbr\u003e2002 Volkswagen Beetle Turbo S\n\u003cbr\u003e2002 Volkswagen Golf GL\n\u003cbr\u003e2002 Volkswagen Golf GLS\n\u003cbr\u003e2002 Volkswagen Golf GTI 1.8T\n\u003cbr\u003e2002 Volkswagen Jetta GL\n\u003cbr\u003e2002 Volkswagen Jetta GLS\n\u003cbr\u003e2002 Volkswagen Passat GLS\n\u003cbr\u003e2003 Audi TT Base\n\u003cbr\u003e2003 Volkswagen Beetle GL\n\u003cbr\u003e2003 Volkswagen Beetle GLS\n\u003cbr\u003e2003 Volkswagen Beetle GLX\n\u003cbr\u003e2003 Volkswagen Beetle Turbo S\n\u003cbr\u003e2003 Volkswagen Golf GL\n\u003cbr\u003e2003 Volkswagen Golf GLS\n\u003cbr\u003e2003 Volkswagen Golf GTI 1.8T\n\u003cbr\u003e2003 Volkswagen Jetta GL\n\u003cbr\u003e2003 Volkswagen Jetta GLS\n\u003cbr\u003e2003 Volkswagen Jetta Wolfsburg Edition\n\u003cbr\u003e2003 Volkswagen Passat GL\n\u003cbr\u003e2003 Volkswagen Passat GLS\n\u003cbr\u003e2004 Audi TT Base\n\u003cbr\u003e2004 Volkswagen Beetle GL\n\u003cbr\u003e2004 Volkswagen Beetle GLS\n\u003cbr\u003e2004 Volkswagen Beetle GLX\n\u003cbr\u003e2004 Volkswagen Beetle Turbo S\n\u003cbr\u003e2004 Volkswagen Golf GL\n\u003cbr\u003e2004 Volkswagen Golf GLS\n\u003cbr\u003e2004 Volkswagen Golf GTI 1.8T\n\u003cbr\u003e2004 Volkswagen Jetta GL\n\u003cbr\u003e2004 Volkswagen Jetta GLS\n\u003cbr\u003e2004 Volkswagen Passat GL\n\u003cbr\u003e2004 Volkswagen Passat GL TDI\n\u003cbr\u003e2004 Volkswagen Passat GLS\n\u003cbr\u003e2004 Volkswagen Passat GLS 4 Motion\n\u003cbr\u003e2004 Volkswagen Passat GLS TDI\n\u003cbr\u003e2005 Audi TT Base\n\u003cbr\u003e2005 Volkswagen Beetle GL\n\u003cbr\u003e2005 Volkswagen Beetle GLS\n\u003cbr\u003e2005 Volkswagen Golf GL\n\u003cbr\u003e2005 Volkswagen Golf GLS\n\u003cbr\u003e2005 Volkswagen Golf GTI 1.8T\n\u003cbr\u003e2005 Volkswagen Jetta GL\n\u003cbr\u003e2005 Volkswagen Jetta GLI\n\u003cbr\u003e2005 Volkswagen Jetta GLS\n\u003cbr\u003e2005 Volkswagen Passat GL\n\u003cbr\u003e2005 Volkswagen Passat GL TDI\n\u003cbr\u003e2005 Volkswagen Passat GLS\n\u003cbr\u003e2005 Volkswagen Passat GLS 4 Motion\n\u003cbr\u003e2005 Volkswagen Passat GLS TDI\n\u003cbr\u003e2006 Audi TT Base\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":45943338500295,"sku":"misMMTS-GTI-99","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/2831061e778dffa00db9e69110e51942.jpg?v=1765328796","url":"https:\/\/mainstreeteshop.com\/products\/mishimoto-99-05-volkswagen-gti-1-8t-racing-thermostat-improved-cooling-performance","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}