{"product_id":"mercury-mercruiser-thermostat-kit-fits-1983aeu-2016-gm-vaeu-6-and-vaeu-8-engines-807252q4","title":"Mercury – Quicksilver 140°F Thermostat | For V6 \u0026 V8 MerCruiser Engines (1983–2016) | 807252Q4","description":"\u003cp data-start=\"0\" data-end=\"100\"\u003e\u003cstrong data-start=\"0\" data-end=\"98\"\u003eMercury – Quicksilver 140°F Thermostat | For V6 \u0026amp; V8 MerCruiser Engines (1983–2016) | 807252Q4\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"102\" data-end=\"105\"\u003e\n\u003ch3 data-start=\"107\" data-end=\"125\"\u003e\u003cstrong data-start=\"111\" data-end=\"123\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"126\" data-end=\"700\"\u003eYour engine’s cooling system is only as reliable as its thermostat. The \u003cstrong data-start=\"198\" data-end=\"254\"\u003eMercury Marine 807252Q4 Quicksilver 140°F Thermostat\u003c\/strong\u003e is engineered for \u003cstrong data-start=\"273\" data-end=\"305\"\u003eV6 and V8 MerCruiser engines\u003c\/strong\u003e built by \u003cstrong data-start=\"315\" data-end=\"333\"\u003eGeneral Motors\u003c\/strong\u003e between \u003cstrong data-start=\"342\" data-end=\"359\"\u003e1983 and 2016\u003c\/strong\u003e (excluding high-performance models). This OEM thermostat helps your engine warm up quickly, maintain a steady operating temperature, and run efficiently no matter how hard you’re working it on the water. It’s a simple, durable component that plays a critical role in keeping your engine performing smoothly and safely season after season.\u003c\/p\u003e\n\u003chr data-start=\"702\" data-end=\"705\"\u003e\n\u003ch3 data-start=\"707\" data-end=\"729\"\u003e\u003cstrong data-start=\"711\" data-end=\"727\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"732\" data-end=\"823\"\u003e\n\u003cstrong data-start=\"732\" data-end=\"744\"\u003ePurpose:\u003c\/strong\u003e Regulates engine temperature for consistent cooling and optimal performance.\u003c\/li\u003e\n\u003cli data-start=\"826\" data-end=\"913\"\u003e\n\u003cstrong data-start=\"826\" data-end=\"849\"\u003eTemperature Rating:\u003c\/strong\u003e Opens at \u003cstrong data-start=\"859\" data-end=\"868\"\u003e140°F\u003c\/strong\u003e, maintaining proper operating temperature.\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"1016\"\u003e\n\u003cstrong data-start=\"916\" data-end=\"934\"\u003eCompatibility:\u003c\/strong\u003e For \u003cstrong data-start=\"939\" data-end=\"983\"\u003eV6 and V8 MerCruiser engines (1983–2016)\u003c\/strong\u003e with standard cooling systems.\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1118\"\u003e\n\u003cstrong data-start=\"1019\" data-end=\"1036\"\u003eConstruction:\u003c\/strong\u003e Built from \u003cstrong data-start=\"1048\" data-end=\"1074\"\u003emarine-grade materials\u003c\/strong\u003e for corrosion resistance and reliability.\u003c\/li\u003e\n\u003cli data-start=\"1121\" data-end=\"1190\"\u003e\n\u003cstrong data-start=\"1121\" data-end=\"1145\"\u003eEase of Maintenance:\u003c\/strong\u003e Easy to replace using standard hand tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1192\" data-end=\"1195\"\u003e\n\u003ch3 data-start=\"1197\" data-end=\"1234\"\u003e\u003cstrong data-start=\"1201\" data-end=\"1232\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1237\" data-end=\"1310\"\u003e\n\u003cstrong data-start=\"1237\" data-end=\"1269\"\u003eV6 and V8 MerCruiser engines\u003c\/strong\u003e (1983–2016) made by \u003cstrong data-start=\"1290\" data-end=\"1308\"\u003eGeneral Motors\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1313\" data-end=\"1354\"\u003eNot for use on high-performance engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1356\" data-end=\"1359\"\u003e\n\u003ch3 data-start=\"1361\" data-end=\"1404\"\u003e\u003cstrong data-start=\"1365\" data-end=\"1402\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1405\" data-end=\"1772\"\u003eThe \u003cstrong data-start=\"1409\" data-end=\"1432\"\u003e807252Q4 thermostat\u003c\/strong\u003e ensures your engine stays in its ideal temperature zone — not too cold, not too hot. When the thermostat opens at 140°F, it allows just the right amount of coolant to flow, keeping the engine running efficiently without overheating. A worn thermostat can stick open or closed, leading to rough running, poor fuel economy, or overheating.\u003c\/p\u003e\n\u003cp data-start=\"1774\" data-end=\"2052\"\u003eThis replacement is made from corrosion-resistant, marine-grade materials built to withstand constant exposure to water, heat, and vibration. It installs easily and restores proper temperature regulation, ensuring smoother starts, better performance, and extended engine life.\u003c\/p\u003e\n\u003chr data-start=\"2054\" data-end=\"2057\"\u003e\n\u003ch3 data-start=\"2059\" data-end=\"2091\"\u003e\u003cstrong data-start=\"2063\" data-end=\"2089\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2092\" data-end=\"2380\"\u003eThe \u003cstrong data-start=\"2096\" data-end=\"2120\"\u003eQuicksilver 807252Q4\u003c\/strong\u003e is a \u003cstrong data-start=\"2126\" data-end=\"2163\"\u003egenuine Mercury Marine thermostat\u003c\/strong\u003e, tested and approved for exact fit and performance in MerCruiser engines. Aftermarket thermostats often open at inconsistent temperatures or use cheaper materials that corrode faster, risking costly cooling issues.\u003c\/p\u003e\n\u003cp data-start=\"2382\" data-end=\"2584\"\u003eMercury’s OEM design provides the right temperature balance, long service life, and the peace of mind that comes from using the same part trusted by factory technicians and professional boaters alike.\u003c\/p\u003e\n\u003chr data-start=\"2586\" data-end=\"2589\"\u003e\n\u003ch3 data-start=\"2591\" data-end=\"2604\"\u003e\u003cstrong data-start=\"2595\" data-end=\"2602\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2606\" data-end=\"2769\"\u003e\u003cstrong data-start=\"2606\" data-end=\"2652\"\u003eQ1: What engines does this thermostat fit?\u003c\/strong\u003e\u003cbr data-start=\"2652\" data-end=\"2655\"\u003eIt fits \u003cstrong data-start=\"2663\" data-end=\"2707\"\u003eV6 and V8 MerCruiser engines (1983–2016)\u003c\/strong\u003e made by \u003cstrong data-start=\"2716\" data-end=\"2734\"\u003eGeneral Motors\u003c\/strong\u003e, except high-performance models.\u003c\/p\u003e\n\u003cp data-start=\"2771\" data-end=\"2880\"\u003e\u003cstrong data-start=\"2771\" data-end=\"2812\"\u003eQ2: What temperature does it open at?\u003c\/strong\u003e\u003cbr data-start=\"2812\" data-end=\"2815\"\u003eThis thermostat opens at \u003cstrong data-start=\"2840\" data-end=\"2849\"\u003e140°F\u003c\/strong\u003e for proper standard cooling.\u003c\/p\u003e\n\u003cp data-start=\"2882\" data-end=\"3025\"\u003e\u003cstrong data-start=\"2882\" data-end=\"2905\"\u003eQ3: Why replace it?\u003c\/strong\u003e\u003cbr data-start=\"2905\" data-end=\"2908\"\u003eA bad thermostat can cause overheating or inefficient fuel use. Replacing it keeps your engine running at its best.\u003c\/p\u003e\n\u003cp data-start=\"3027\" data-end=\"3138\"\u003e\u003cstrong data-start=\"3027\" data-end=\"3057\"\u003eQ4: Is it easy to install?\u003c\/strong\u003e\u003cbr data-start=\"3057\" data-end=\"3060\"\u003eYes — it’s a \u003cstrong data-start=\"3073\" data-end=\"3096\"\u003edirect-fit OEM part\u003c\/strong\u003e that installs quickly with basic tools.\u003c\/p\u003e\n\u003cp data-start=\"3140\" data-end=\"3347\"\u003e\u003cstrong data-start=\"3140\" data-end=\"3180\"\u003eQ5: Why choose OEM over aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3180\" data-end=\"3183\"\u003e\u003cstrong data-start=\"3183\" data-end=\"3210\"\u003eMercury OEM thermostats\u003c\/strong\u003e are calibrated and tested to maintain exact temperatures under real marine conditions, offering dependable protection and performance.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936190976291,"sku":"807252Q4","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/807252q4_main.jpg?v=1760631229","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-mercruiser-thermostat-kit-fits-1983aeu-2016-gm-vaeu-6-and-vaeu-8-engines-807252q4","provider":"PartsVu","version":"1.0","type":"link"}