{"product_id":"mercury-825212a1-outboard-thermostat-kit-fits-mercury-mariner-30-40-45-50-hp-four-stroke-outboards","title":"Mercury – Quicksilver 825212A1 120°F Thermostat Kit | Mercury \u0026 Mariner 30–50HP 4-Stroke Outboards | 825212A1","description":"\u003cp data-start=\"0\" data-end=\"115\"\u003e\u003cstrong data-start=\"0\" data-end=\"113\"\u003eMercury – Quicksilver 825212A1 120°F Thermostat Kit | Mercury \u0026amp; Mariner 30–50HP 4-Stroke Outboards | 825212A1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"117\" data-end=\"120\"\u003e\n\u003ch3 data-start=\"122\" data-end=\"140\"\u003e\u003cstrong data-start=\"126\" data-end=\"138\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"141\" data-end=\"523\"\u003eKeeping your outboard at the right temperature is essential for smooth performance and engine life. The \u003cstrong data-start=\"245\" data-end=\"284\"\u003eQuicksilver 825212A1 Thermostat Kit\u003c\/strong\u003e is a \u003cstrong data-start=\"290\" data-end=\"315\"\u003e120°F OEM replacement\u003c\/strong\u003e designed for \u003cstrong data-start=\"329\" data-end=\"379\"\u003eMercury and Mariner 30–50HP 4-stroke outboards\u003c\/strong\u003e. It keeps your engine running efficiently by maintaining steady cooling system temperature and preventing overheating or cold-running issues.\u003c\/p\u003e\n\u003cp data-start=\"525\" data-end=\"760\"\u003eThis two-piece kit includes a precision-calibrated thermostat and a custom-formed gasket. Built to last and easy to replace, it uses a self-cleaning design that flushes away debris, keeping your cooling system working like it should.\u003c\/p\u003e\n\u003chr data-start=\"762\" data-end=\"765\"\u003e\n\u003ch3 data-start=\"767\" data-end=\"789\"\u003e\u003cstrong data-start=\"771\" data-end=\"787\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"792\" data-end=\"910\"\u003e\n\u003cstrong data-start=\"792\" data-end=\"804\"\u003ePurpose:\u003c\/strong\u003e Maintains the correct 120°F operating temperature for consistent fuel efficiency and engine protection.\u003c\/li\u003e\n\u003cli data-start=\"913\" data-end=\"1010\"\u003e\n\u003cstrong data-start=\"913\" data-end=\"926\"\u003eMaterial:\u003c\/strong\u003e Made from corrosion-resistant stainless steel and brass for long-term durability.\u003c\/li\u003e\n\u003cli data-start=\"1013\" data-end=\"1136\"\u003e\n\u003cstrong data-start=\"1013\" data-end=\"1029\"\u003ePerformance:\u003c\/strong\u003e Self-cleaning design helps flush debris from the cooling system and ensures precise temperature control.\u003c\/li\u003e\n\u003cli data-start=\"1139\" data-end=\"1253\"\u003e\n\u003cstrong data-start=\"1139\" data-end=\"1150\"\u003eDesign:\u003c\/strong\u003e Two-piece OEM kit includes a thermostat and custom-formed gasket for a perfect seal and factory fit.\u003c\/li\u003e\n\u003cli data-start=\"1256\" data-end=\"1376\"\u003e\n\u003cstrong data-start=\"1256\" data-end=\"1282\"\u003eEase of Use \/ Install:\u003c\/strong\u003e Direct replacement that installs easily with common hand tools and no modifications needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1378\" data-end=\"1381\"\u003e\n\u003ch3 data-start=\"1383\" data-end=\"1420\"\u003e\u003cstrong data-start=\"1387\" data-end=\"1418\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1423\" data-end=\"1519\"\u003eMercury \u0026amp; Mariner 30HP 4-stroke (1999–2005 USA: 0G760300–1B226999; Belgium: 0P017000–0P400999)\u003c\/li\u003e\n\u003cli data-start=\"1522\" data-end=\"1610\"\u003eMercury \u0026amp; Mariner 40HP 4-stroke (1998–2018 USA: 0G231123 \u0026amp; up; Belgium: 0P017000 \u0026amp; up)\u003c\/li\u003e\n\u003cli data-start=\"1613\" data-end=\"1681\"\u003eMercury \u0026amp; Mariner 50HP 4-stroke (1995–2000 USA: 0G231123–0T178499)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1683\" data-end=\"1686\"\u003e\n\u003ch3 data-start=\"1688\" data-end=\"1731\"\u003e\u003cstrong data-start=\"1692\" data-end=\"1729\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1732\" data-end=\"1989\"\u003eThe \u003cstrong data-start=\"1736\" data-end=\"1759\"\u003e825212A1 thermostat\u003c\/strong\u003e keeps your engine right at its sweet spot — warm enough for efficient combustion, but cool enough to avoid stress and wear. Its self-cleaning design prevents clogging and helps maintain consistent cooling performance over time.\u003c\/p\u003e\n\u003cp data-start=\"1991\" data-end=\"2180\"\u003eIf your engine has been running too cold, overheating, or showing erratic temperature readings, replacing the thermostat with this OEM kit will restore proper operation and peace of mind.\u003c\/p\u003e\n\u003chr data-start=\"2182\" data-end=\"2185\"\u003e\n\u003ch3 data-start=\"2187\" data-end=\"2211\"\u003e\u003cstrong data-start=\"2191\" data-end=\"2209\"\u003eWhy Choose OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2212\" data-end=\"2442\"\u003eMercury’s OEM thermostats are precision-calibrated for exact temperature response and built to last in marine conditions. Aftermarket versions can open at the wrong temperature or corrode prematurely, causing performance issues.\u003c\/p\u003e\n\u003cp data-start=\"2444\" data-end=\"2594\"\u003eA \u003cstrong data-start=\"2446\" data-end=\"2480\"\u003egenuine Quicksilver thermostat\u003c\/strong\u003e ensures proper fit, fast warm-up, and reliable temperature control — exactly what your engine was designed for.\u003c\/p\u003e\n\u003chr data-start=\"2596\" data-end=\"2599\"\u003e\n\u003ch3 data-start=\"2601\" data-end=\"2614\"\u003e\u003cstrong data-start=\"2605\" data-end=\"2612\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2615\" data-end=\"2780\"\u003e\u003cstrong data-start=\"2615\" data-end=\"2660\"\u003eQ1: What engines fit this thermostat kit?\u003c\/strong\u003e\u003cbr data-start=\"2660\" data-end=\"2663\"\u003eA: It fits \u003cstrong data-start=\"2674\" data-end=\"2724\"\u003eMercury and Mariner 30–50HP 4-stroke outboards\u003c\/strong\u003e, including U.S. and Belgium-built models (1995–2018).\u003c\/p\u003e\n\u003cp data-start=\"2782\" data-end=\"2903\"\u003e\u003cstrong data-start=\"2782\" data-end=\"2823\"\u003eQ2: What temperature is it rated for?\u003c\/strong\u003e\u003cbr data-start=\"2823\" data-end=\"2826\"\u003eA: It’s a \u003cstrong data-start=\"2836\" data-end=\"2856\"\u003e120°F thermostat\u003c\/strong\u003e, calibrated for precise cooling performance.\u003c\/p\u003e\n\u003cp data-start=\"2905\" data-end=\"2992\"\u003e\u003cstrong data-start=\"2905\" data-end=\"2940\"\u003eQ3: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2940\" data-end=\"2943\"\u003eA: One thermostat and one custom-formed gasket.\u003c\/p\u003e\n\u003cp data-start=\"2994\" data-end=\"3119\"\u003e\u003cstrong data-start=\"2994\" data-end=\"3028\"\u003eQ4: Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"3028\" data-end=\"3031\"\u003eA: No, it’s a quick swap that can be done with standard tools and your owner’s manual.\u003c\/p\u003e\n\u003cp data-start=\"3121\" data-end=\"3266\"\u003e\u003cstrong data-start=\"3121\" data-end=\"3160\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3160\" data-end=\"3163\"\u003eA: OEM thermostats match Mercury’s original specs and are corrosion-tested for long-term reliability.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936116199715,"sku":"825212A1","price":73.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/825212A1_Main.jpg?v=1760631265","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-825212a1-outboard-thermostat-kit-fits-mercury-mariner-30-40-45-50-hp-four-stroke-outboards","provider":"PartsVu","version":"1.0","type":"link"}