{"product_id":"four-seasons-85688-engine-coolant-thermostat-housing","title":"Four Seasons 85688 Engine Coolant Thermostat Housing","description":"\u003ch2\u003eOverview of Four Seasons Thermostat Housing 85688\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Thermostat Housing 85688 is designed for reliable engine cooling system performance in select Nissan and Infiniti vehicles. This integrated thermostat housing includes a thermostat and is engineered to meet or exceed OEM specifications, ensuring proper fit and function for models like the Nissan Altima, Maxima, Murano, Quest, and Infiniti I35.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIntegrated thermostat housing style with included thermostat\u003c\/li\u003e\n\u003cli\u003eOutlet port diameter: 38.000 mm for precise coolant flow\u003c\/li\u003e\n\u003cli\u003eInlet port diameter: 1.460 inches\u003c\/li\u003e\n\u003cli\u003eFlange thickness of 0.700 inches for secure mounting\u003c\/li\u003e\n\u003cli\u003eBolt hole center-to-center distance of 3.57 inches\u003c\/li\u003e\n\u003cli\u003eOverall height of 5.000 inches\u003c\/li\u003e\n\u003cli\u003eThermostat included, gasket or seal not included\u003c\/li\u003e\n\u003cli\u003eCompatible with Nissan Altima, Maxima, Murano, Quest and Infiniti I35\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Four Seasons Thermostat Housing Product Line\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Thermostat Housing product line focuses on engine coolant components designed to maintain optimal engine temperature control. This line integrates the thermostat directly into the housing, simplifying installation and reducing potential leak points. The 85688 model exemplifies this approach by combining durable aluminum construction with precise port dimensions to ensure consistent coolant flow and temperature regulation.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis engine coolant thermostat housing is crafted from aluminum, providing strength and resistance to corrosion common in cooling system components. The integrated thermostat housing style includes the thermostat itself, eliminating the need for separate parts and streamlining replacement. The outlet port diameter of 38.000 mm and inlet port diameter of 1.460 inches are designed to match OEM specifications, ensuring proper coolant circulation. The flange thickness of 0.700 inches and bolt hole spacing of 3.57 inches allow for secure and accurate mounting. With an overall height of 5.000 inches, this housing fits precisely within the engine bay of compatible Nissan and Infiniti models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for faulty or leaking thermostat housings\u003c\/li\u003e\n\u003cli\u003eRestores proper engine temperature regulation\u003c\/li\u003e\n\u003cli\u003ePrevents engine overheating due to thermostat failure\u003c\/li\u003e\n\u003cli\u003eEliminates coolant leaks caused by cracked or corroded housings\u003c\/li\u003e\n\u003cli\u003eEnsures reliable coolant flow in Nissan Altima, Maxima, Murano, Quest, and Infiniti I35\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThermostat is included; however, a new gasket or seal must be sourced separately\u003c\/li\u003e\n\u003cli\u003eEnsure mating surfaces are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eTorque bolts to manufacturer specifications to avoid leaks or damage\u003c\/li\u003e\n\u003cli\u003eInspect coolant hoses for wear during installation and replace if necessary\u003c\/li\u003e\n\u003cli\u003eBleed the cooling system after installation to remove air pockets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Thermostat Housing 85688 meets or exceeds OEM standards for fit, form, and function. Manufactured with quality aluminum and precision engineering, this part is designed for durability and reliable performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44617440166069,"sku":"BBRN-85688","price":44.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_85688_Fro.jpg?v=1775070748","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-85688-engine-coolant-thermostat-housing","provider":"PartCatalog","version":"1.0","type":"link"}