{"product_id":"quicksilver-replacement-thermostat-for-mercruiser-v6-v8-160-f-1987-2016-oem-fit-standard-cooling","title":"Quicksilver Replacement Thermostat for MerCruiser V6\/V8 — 160°F 1987–2016 OEM-fit, Standard Cooling","description":"\u003cp\u003e\u003cstrong\u003eQuicksilver 807252Q5 is a 160°F replacement thermostat engineered for standard-cooling V6 and V8 MerCruiser engines (non‑high‑performance) from 1987–2016.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis OEM-spec thermostat restores correct coolant flow and operating temperature for compatible MerCruiser sterndrives and inboard\/outboard engines. Manufactured to Mercury Marine original equipment specifications by Quicksilver, it’s intended for owners and technicians who need a direct-fit replacement that maintains engine efficiency and helps protect components from running too cool or too hot.\u003c\/p\u003e\n\n\u003ch3\u003eWhich MerCruiser engines use the 807252Q5 thermostat?\u003c\/h3\u003e\n\n\u003cp\u003eThis thermostat fits many V6 and V8 MerCruiser engines built between 1987 and 2016 that use standard cooling and require a 160°F unit. It does not replace thermostats for high‑performance variants or models that specify a different temperature rating.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with GM‑based MerCruiser V6 and V8 engines (1987–2016)\u003c\/li\u003e\n  \u003cli\u003eIntended for standard cooling configurations only\u003c\/li\u003e\n  \u003cli\u003eNot for high‑performance engines or models requiring other temp ratings\u003c\/li\u003e\n  \u003cli\u003eVerify part number and temperature spec in your owner’s or service manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does swapping to this 160°F thermostat affect engine performance?\u003c\/h3\u003e\n\n\u003cp\u003eUsing the correct 160°F thermostat helps the engine reach and hold its designed operating temperature, which supports fuel efficiency, consistent power delivery, and reduced wear. Running too cool or too hot can change fuel burn and component longevity.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHelps maintain optimal combustion and fuel efficiency\u003c\/li\u003e\n  \u003cli\u003eStabilizes oil temperature for consistent lubrication\u003c\/li\u003e\n  \u003cli\u003eReduces thermal stress on gaskets and seals\u003c\/li\u003e\n  \u003cli\u003eRestores proper coolant circulation timing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the 807252Q5 easy to install and what tools are needed?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the thermostat is designed for straightforward replacement using common shop tools. Most techs and seasoned DIYers can perform the swap with the engine cool and following removal\/replacement steps in the service manual.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRequires basic hand tools: sockets, wrenches, screwdrivers\u003c\/li\u003e\n  \u003cli\u003eFollow owner’s manual for correct removal and gasket\/seat inspection\u003c\/li\u003e\n  \u003cli\u003eInspect housing and flush coolant if contaminated before installing\u003c\/li\u003e\n  \u003cli\u003eTorque fasteners to OEM specs to avoid leaks or distortion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose Quicksilver over generic aftermarket thermostats?\u003c\/h3\u003e\n\n\u003cp\u003eQuicksilver produces parts to meet Mercury Marine OEM specifications, so fit, materials and temperature calibration match factory standards. That consistency simplifies maintenance and reduces the chance of cooling-system surprises after installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEngineered and tested to OEM tolerances and durability standards\u003c\/li\u003e\n  \u003cli\u003eDirect replacement fit for MerCruiser applications—no modification needed\u003c\/li\u003e\n  \u003cli\u003eBacked by Quicksilver’s long history in marine parts and accessories\u003c\/li\u003e\n  \u003cli\u003eHelps preserve engine performance and resale value\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Boat owners, marine technicians, and restoration projects using MerCruiser V6 or V8 engines (1987–2016) with standard cooling that require a 160°F thermostat. Choose this Quicksilver part when you need a reliable, OEM‑grade replacement to maintain correct operating temperature and dependable cooling system performance.\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: Will this thermostat fit high‑performance MerCruiser engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The 807252Q5 is for standard‑cooling V6 and V8 MerCruiser engines; high‑performance models may require different temperature ratings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to replace the 807252Q5 thermostat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required; basic shop tools like sockets and screwdrivers are typically sufficient for replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":48083996442782,"sku":"B001HBUSOO","price":65.91,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/quicksilver-thermostat-front.jpg?v=1785842637","url":"https:\/\/northtrailauto.ca\/products\/quicksilver-replacement-thermostat-for-mercruiser-v6-v8-160-f-1987-2016-oem-fit-standard-cooling","provider":"North Trail Auto","version":"1.0","type":"link"}