{"product_id":"mercruiser-thermostat-160f-8m0076464-496-mag","title":"MerCruiser Thermostat 160°F – 8M0076464 (496 MAG \/ 8.1L Big Block)","description":"\u003cp data-start=\"223\" data-end=\"412\"\u003eThe \u003cstrong data-start=\"227\" data-end=\"273\"\u003eMercury \/ Quicksilver 8M0076464 Thermostat\u003c\/strong\u003e is a genuine OEM \u003cstrong data-start=\"291\" data-end=\"318\"\u003e160°F (71°C) thermostat\u003c\/strong\u003e designed specifically for \u003cstrong data-start=\"345\" data-end=\"382\"\u003eMerCruiser 8.1L big-block engines\u003c\/strong\u003e, including 496 MAG platforms.\u003c\/p\u003e\n\u003cp data-start=\"414\" data-end=\"678\"\u003eThis thermostat regulates coolant flow within the engine to maintain proper operating temperature. The \u003cstrong data-start=\"517\" data-end=\"538\"\u003e160°F calibration\u003c\/strong\u003e is critical for these engines to ensure correct combustion efficiency, fuel control, and long-term durability under marine load conditions.\u003c\/p\u003e\n\u003cp data-start=\"680\" data-end=\"866\"\u003eBuilt to Mercury Marine OEM standards, it uses a \u003cstrong data-start=\"729\" data-end=\"750\"\u003ewax-element valve\u003c\/strong\u003e that opens progressively with temperature, providing stable cooling performance across idle and high RPM operation.\u003c\/p\u003e\n\u003chr data-start=\"868\" data-end=\"871\"\u003e\n\u003ch2 data-start=\"873\" data-end=\"892\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"876\" data-end=\"892\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"893\" data-end=\"1202\"\u003e\n\u003cli data-start=\"893\" data-end=\"935\"\u003eGenuine Mercury \/ Quicksilver OEM part\u003c\/li\u003e\n\u003cli data-start=\"936\" data-end=\"975\"\u003e\n\u003cstrong data-start=\"938\" data-end=\"954\"\u003e160°F (71°C)\u003c\/strong\u003e temperature rating\u003c\/li\u003e\n\u003cli data-start=\"976\" data-end=\"1025\"\u003eDesigned for \u003cstrong data-start=\"991\" data-end=\"1023\"\u003ebig-block MerCruiser engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1026\" data-end=\"1076\"\u003eMaintains optimal engine operating temperature\u003c\/li\u003e\n\u003cli data-start=\"1077\" data-end=\"1129\"\u003ePrevents overheating and cold-running conditions\u003c\/li\u003e\n\u003cli data-start=\"1130\" data-end=\"1175\"\u003eDurable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli data-start=\"1176\" data-end=\"1202\"\u003eDirect OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1204\" data-end=\"1207\"\u003e\n\u003ch2 data-start=\"1209\" data-end=\"1236\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1212\" data-end=\"1236\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1238\" data-end=\"1274\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1242\" data-end=\"1274\"\u003eMerCruiser Big Block Engines\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1275\" data-end=\"1356\"\u003e\n\u003cli data-start=\"1275\" data-end=\"1297\"\u003e\u003cstrong data-start=\"1277\" data-end=\"1295\"\u003e496 MAG (8.1L)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1298\" data-end=\"1316\"\u003e\u003cstrong data-start=\"1300\" data-end=\"1314\"\u003e496 MAG HO\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1356\"\u003e\u003cstrong data-start=\"1319\" data-end=\"1354\"\u003e8.1L Inboard (V-Drive \u0026amp; Inline)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1358\" data-end=\"1369\"\u003e➡️ Used on:\u003c\/p\u003e\n\u003cul data-start=\"1370\" data-end=\"1485\"\u003e\n\u003cli data-start=\"1370\" data-end=\"1409\"\u003eSterndrive and inboard applications\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1485\"\u003eBig-block GM-based marine engines \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1487\" data-end=\"1490\"\u003e\n\u003ch2 data-start=\"1492\" data-end=\"1529\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1495\" data-end=\"1527\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1530\" data-end=\"1549\"\u003eFitment depends on:\u003c\/p\u003e\n\u003cul data-start=\"1550\" data-end=\"1625\"\u003e\n\u003cli data-start=\"1550\" data-end=\"1592\"\u003eEngine model (496 MAG \/ 8.1L variants)\u003c\/li\u003e\n\u003cli data-start=\"1593\" data-end=\"1625\"\u003eCooling system configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1627\" data-end=\"1711\"\u003e⚠️ Always confirm compatibility using your \u003cstrong data-start=\"1670\" data-end=\"1694\"\u003eengine serial number\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003chr data-start=\"1713\" data-end=\"1716\"\u003e\n\u003ch2 data-start=\"1718\" data-end=\"1739\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1721\" data-end=\"1739\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1740\" data-end=\"1935\"\u003e\n\u003cli data-start=\"1740\" data-end=\"1770\"\u003ePart Number: \u003cstrong data-start=\"1755\" data-end=\"1768\"\u003e8M0076464\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1771\" data-end=\"1811\"\u003eTemperature Rating: \u003cstrong data-start=\"1793\" data-end=\"1809\"\u003e160°F (71°C)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1812\" data-end=\"1839\"\u003eType: Engine thermostat\u003c\/li\u003e\n\u003cli data-start=\"1840\" data-end=\"1881\"\u003eOperation: Wax-element, spring-loaded\u003c\/li\u003e\n\u003cli data-start=\"1882\" data-end=\"1935\"\u003eApplication: MerCruiser big-block cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1937\" data-end=\"1940\"\u003e\n\u003ch2 data-start=\"1942\" data-end=\"1964\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1945\" data-end=\"1964\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1965\" data-end=\"2038\"\u003e\n\u003cli data-start=\"1965\" data-end=\"2038\"\u003eThermostat only\u003cbr data-start=\"1982\" data-end=\"1985\"\u003e\u003cem data-start=\"1985\" data-end=\"2036\"\u003e(Gasket or seal sold separately unless specified)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2040\" data-end=\"2043\"\u003e\n\u003ch2 data-start=\"2045\" data-end=\"2084\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2048\" data-end=\"2084\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2085\" data-end=\"2245\"\u003e\n\u003cli data-start=\"2085\" data-end=\"2107\"\u003eEngine overheating\u003c\/li\u003e\n\u003cli data-start=\"2108\" data-end=\"2135\"\u003eEngine running too cold\u003c\/li\u003e\n\u003cli data-start=\"2136\" data-end=\"2164\"\u003eTemperature fluctuations\u003c\/li\u003e\n\u003cli data-start=\"2165\" data-end=\"2204\"\u003eSticking due to corrosion or debris\u003c\/li\u003e\n\u003cli data-start=\"2205\" data-end=\"2245\"\u003eRoutine service on high-hour engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2247\" data-end=\"2250\"\u003e\n\u003ch2 data-start=\"2252\" data-end=\"2277\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2255\" data-end=\"2277\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2278\" data-end=\"2423\"\u003e\n\u003cli data-start=\"2278\" data-end=\"2315\"\u003eInstall with spring facing engine\u003c\/li\u003e\n\u003cli data-start=\"2316\" data-end=\"2354\"\u003eReplace gasket\/seal during install\u003c\/li\u003e\n\u003cli data-start=\"2355\" data-end=\"2383\"\u003eClean housing thoroughly\u003c\/li\u003e\n\u003cli data-start=\"2384\" data-end=\"2423\"\u003eVerify operating temp after install\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2425\" data-end=\"2428\"\u003e\n\u003ch2 data-start=\"2430\" data-end=\"2472\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2433\" data-end=\"2472\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"2474\" data-end=\"2502\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2478\" data-end=\"2502\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2503\" data-end=\"2609\"\u003e\n\u003cli data-start=\"2503\" data-end=\"2543\"\u003eMercury \/ Quicksilver: \u003cstrong data-start=\"2528\" data-end=\"2541\"\u003e8M0076464\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2544\" data-end=\"2609\"\u003eSupersedes: \u003cstrong data-start=\"2558\" data-end=\"2569\"\u003e863358T\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2611\" data-end=\"2614\"\u003e\n\u003ch2 data-start=\"2616\" data-end=\"2633\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2619\" data-end=\"2631\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2634\" data-end=\"2701\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003chr data-start=\"2703\" data-end=\"2706\"\u003e\n\u003ch3 data-start=\"2708\" data-end=\"2735\"\u003e💡 Parts Desk Insight\u003c\/h3\u003e\n\u003cp data-start=\"2736\" data-end=\"2850\"\u003eThis is \u003cstrong data-start=\"2744\" data-end=\"2766\"\u003ebig-block specific\u003c\/strong\u003e—don’t mix it with small-block 160° thermostats. Same temp, totally different fit 👍\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912626212,"sku":"8M0076464","price":61.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/992bf795-e667-43af-a7a1-83cc881bb85a.png?v=1773438235","url":"https:\/\/marisolmarine.com\/products\/mercruiser-thermostat-160f-8m0076464-496-mag","provider":"Marisol Marine Company","version":"1.0","type":"link"}