{"product_id":"stant-14399-engine-coolant-thermostat","title":"Stant 14399 Engine Coolant Thermostat","description":"\u003ch2\u003eOE Type Thermostat for Engine Cooling\u003c\/h2\u003e\u003cp\u003eStant 14399 is an OE Type Thermostat built for precise engine coolant temperature control in a wide range of Chevrolet, GMC, Ford, and Hummer applications. With a 190 degree opening temperature and seal included, it supports stable warm-up and consistent cooling system operation in vehicles such as the Chevrolet Express 2500, GMC Savana 3500, and Ford F-250.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e190 degree thermostat opening temperature for OE-style coolant regulation\u003c\/li\u003e\n\u003cli\u003eOriginal equipment design for direct-fit cooling system service\u003c\/li\u003e\n\u003cli\u003eDurable construction for long service life\u003c\/li\u003e\n\u003cli\u003eStainless steel assembly engineered for smooth operation\u003c\/li\u003e\n\u003cli\u003eSeal included for listed applications\u003c\/li\u003e\n\u003cli\u003eFlange diameter: 2.3 in. with seal and without seal\u003c\/li\u003e\n\u003cli\u003eHeight from flange to bottom: 0.87 in.\u003c\/li\u003e\n\u003cli\u003eHeight from flange to top of bridge: 0.68 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe Stant OE Type Thermostat line is built to match original equipment design expectations for temperature control and fitment. Part number 14399 is specified at 190 degrees and is listed across many heavy-duty and full-size truck and van applications, including Chevrolet C2500, GMC K3500, Ford E-350 Econoline, and Hummer H1. This thermostat is intended for drivers replacing a worn or sticking thermostat in OE-temperature cooling systems where consistent coolant flow matters.\u003c\/p\u003e\u003cp\u003eThis part cross-references no listed interchange numbers in the provided data.\u003c\/p\u003e\u003ch2\u003eCommon Cooling System Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine running cooler or hotter than the OE thermostat specification\u003c\/li\u003e\n\u003cli\u003eDelayed warm-up after cold starts\u003c\/li\u003e\n\u003cli\u003eTemperature fluctuation during normal driving\u003c\/li\u003e\n\u003cli\u003eThermostat sticking open or closed\u003c\/li\u003e\n\u003cli\u003eCooling system service on Chevrolet Express 3500, GMC Savana 2500, or Ford F-350 applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the thermostat temperature rating and flange dimensions before installation. Some listed Ford applications note that the seal on the thermostat flange should be removed, while other applications list the seal as included and retained. Several Chevrolet and GMC applications also note a second design or a 2nd design requirement, so confirm the vehicle’s original thermostat style before service. Clean the housing sealing surface and inspect the cooling system before reassembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStant designs this OE Type Thermostat with durable materials and a stainless steel assembly for smooth performance and long-term service in OE-style cooling systems.\u003c\/p\u003e","brand":"Stant","offers":[{"title":"Default Title","offer_id":52734110040245,"sku":"BCNX-14399","price":33.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ST_14399_Fro.jpg?v=1782277909","url":"https:\/\/www.partcatalog.com\/products\/stant-14399-engine-coolant-thermostat","provider":"PartCatalog","version":"1.0","type":"link"}