{"product_id":"doietc-thermostat-with-housing-kit-for-mercury-65-150-hp-outboards-oe-fit-leak-resistant","title":"doietc Thermostat with Housing Kit for Mercury 65–150 HP Outboards — OE Fit, Leak-Resistant","description":"\u003cp\u003e\u003cstrong\u003edoietc 892864T06 thermostat with housing is a direct-fit replacement that regulates coolant flow to help maintain stable operating temperatures in compatible Mercury 4-stroke outboard engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete thermostat-and-housing kit is engineered as a straightforward swap for worn or failing temperature regulators on a wide range of Mercury outboards. It replaces OE numbers 892864T06, 8M0090819 and 892864A06 and fits many 65–150 HP 4-stroke models, offering OEM-style fitment and a heavy-duty sealing design backed by factory testing and a one-year warranty.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Mercury outboard models will this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit covers multiple Mercury 4-stroke models across the 65 to 150 horsepower range, including EFI and jet variants as listed by the manufacturer. Confirm your engine’s part number or existing thermostat OE reference to ensure compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 65 HP, 75 HP, 80 HP, 90 HP, 100 HP, 115 HP, 135 HP and 150 HP 4-stroke Mercury outboards\u003c\/li\u003e\n  \u003cli\u003eCovers EFI, JET, SEAPRO and PRO XS variants where specified\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for OE# 892864T06, 8M0090819, 892864A06\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this thermostat housing kit control engine temperature?\u003c\/h3\u003e\n\u003cp\u003eThe thermostat element opens and closes in response to coolant temperature, directing flow through the engine cooling passages and radiator as needed. A precise valve action helps reduce overheating, minimizes temperature swings and improves gauge stability without altering engine tuning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-precision thermostat valve for consistent temperature regulation\u003c\/li\u003e\n  \u003cli\u003eSealing components and high-tensile springs prevent leaks under pressure\u003c\/li\u003e\n  \u003cli\u003eReduces erratic coolant temperature readings and helps maintain optimal operating range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build quality can I expect from this replacement?\u003c\/h3\u003e\n\u003cp\u003eThe kit combines durable plastics and elastomer seals with reinforced springs to withstand marine conditions and thermal cycling. Each unit is 100% tested before shipment to ensure proper operation and leak-free performance out of the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRobust plastic housing resistant to corrosion and vibration\u003c\/li\u003e\n  \u003cli\u003eElastomeric seals designed for repeated thermal expansion and contraction\u003c\/li\u003e\n  \u003cli\u003eHigh-tensile springs to preserve valve tension and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat support and warranty come with the thermostat kit?\u003c\/h3\u003e\n\u003cp\u003edoietc inspects every kit prior to dispatch and includes a one-year warranty against manufacturing defects. If you encounter fit, function or quality issues, contact customer support for troubleshooting or replacement guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100% tested and inspected units before delivery\u003c\/li\u003e\n  \u003cli\u003eOne-year warranty for manufacturing or workmanship defects\u003c\/li\u003e\n  \u003cli\u003eDedicated support for installation questions and warranty claims\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This thermostat with housing kit is intended for boat owners, marine mechanics and fleet operators who need a reliable, direct replacement for failing Mercury outboard thermostats on 65–150 HP 4-stroke engines. It’s suitable for routine maintenance, mid-season repairs or preparing a vessel for heavy use where stable engine temperatures and leak-free performance are essential.\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: Is this thermostat a direct replacement for OE 8M0090819?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This doietc kit replaces OE numbers 892864T06, 8M0090819 and 892864A06 for compatible Mercury engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. doietc provides a one-year warranty and 100% inspected units with support for any issues.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"doietc","offers":[{"title":"Default Title","offer_id":48083006587038,"sku":"B0F8ZBFHZN","price":64.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/doietc-thermostat-housing-front-view.jpg?v=1785822329","url":"https:\/\/northtrailauto.ca\/products\/doietc-thermostat-with-housing-kit-for-mercury-65-150-hp-outboards-oe-fit-leak-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}