{"product_id":"aisin-engine-coolant-thermostat-with-housing-tht-017-oe-fit-for-lexus-ct200h-toyota-prius-corolla","title":"AISIN Engine Coolant Thermostat with Housing THT-017 — OE-fit for Lexus CT200h \u0026 Toyota Prius\/Corolla","description":"\u003cp\u003e\u003cstrong\u003eAISIN THT-017 is a direct-fit engine coolant thermostat with housing engineered to match original equipment operating temperature and restore reliable engine warm-up and cooling control.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis AISIN thermostat assembly replaces the thermostat and its housing in compatible Lexus and Toyota hybrid and gasoline models to deliver OE-level fit, function, and temperature regulation. Built from quality materials and using AISIN's original equipment experience, the THT-017 is manufactured to the correct specified opening temperature and designed to install where the factory part sits — helping avoid fitment problems and unwanted coolant leaks when swapped for a worn or failing unit.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this thermostat affect engine temperature control?\u003c\/h3\u003e\n\n\u003cp\u003eThe thermostat regulates coolant flow between the engine and radiator, opening and closing at its specified temperature so the engine reaches and maintains its optimal operating range. A properly functioning thermostat helps the engine warm up faster and prevents overcooling or overheating during normal driving.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOE-specified opening temperature for intended models\u003c\/li\u003e\n  \u003cli\u003ePrecision valve action to modulate coolant flow smoothly\u003c\/li\u003e\n  \u003cli\u003eHousing included to reduce parts mismatch and installation time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my Lexus CT200h or Toyota Prius\/Corolla?\u003c\/h3\u003e\n\n\u003cp\u003eThe THT-017 is compatible with a range of Lexus and Toyota vehicles, but engine variants and production years affect fitment. Always confirm vehicle compatibility with your VIN or the retailer fit checker before purchase to ensure correct application.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible examples: Lexus CT200h (2011–2017)\u003c\/li\u003e\n  \u003cli\u003eToyota examples include Corolla (2020–2022) and Prius variants (2010–2022, plus Plug-In\/Prime and Prius V ranges)\u003c\/li\u003e\n  \u003cli\u003eInclude engine code and model year when verifying fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the benefits of choosing the AISIN OE-matched unit?\u003c\/h3\u003e\n\n\u003cp\u003eAISIN supplies thermostats to many vehicle manufacturers and designs this unit to meet original equipment standards for shape, sealing, and operating point. Choosing an OE-matched part reduces the risk of leaks, poor thermal performance, and premature failure compared with generic replacements.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eExact form, fit, and function to replace the factory component\u003c\/li\u003e\n  \u003cli\u003eDurable materials intended for long service life in cooling systems\u003c\/li\u003e\n  \u003cli\u003eThermostat housing included to simplify replacement and ensure proper sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward for anyone with basic mechanical skills and common hand tools; it typically involves draining some coolant, removing the old housing, swapping the thermostat, and refilling the system to the specified level. Follow vehicle-specific torque specs and bleeding procedures to avoid air pockets and ensure correct operation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePrepare coolant, drain pan, new gasket or sealant if required, and torque wrench\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer bleeding steps to remove trapped air after installation\u003c\/li\u003e\n  \u003cli\u003eInspect surrounding hoses and clamps while the housing is accessible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Drivers and technicians replacing a failed or aging thermostat on compatible Lexus CT200h and Toyota Prius, Prius Plug-In\/Prime, Prius V, Prius AWD-e, and certain Corolla models who want an OE-matched, reliable replacement with housing included. This part suits DIY mechanics seeking a straightforward swap and repair shops needing a dependable, manufacturer-aligned component for cooling system service.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this AISIN thermostat include the housing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the THT-017 kit includes the thermostat and its housing for a complete direct-fit replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this part on any Prius or Corolla?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatibility varies by model year and engine; verify with your VIN or the fit checker before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AISIN","offers":[{"title":"Default Title","offer_id":67587272933561,"sku":"B01LZ82P46","price":106.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/aisin-tht-017-front-assembly.jpg?v=1790503616","url":"https:\/\/redleafauto.ca\/products\/aisin-engine-coolant-thermostat-with-housing-tht-017-oe-fit-for-lexus-ct200h-toyota-prius-corolla","provider":"Redleaf Auto","version":"1.0","type":"link"}