{"product_id":"mercury-quicksilver-water-pump-upper-repair-kit-46-60366q1","title":"Mercury – Quicksilver Upper Water Pump Repair Kit | Cooling System Part | 40–70HP 2-Stroke | 60366Q1","description":"\u003cp data-start=\"0\" data-end=\"106\"\u003e\u003cstrong data-start=\"0\" data-end=\"104\"\u003eMercury – Quicksilver Upper Water Pump Repair Kit | Cooling System Part | 40–70HP 2-Stroke | 60366Q1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"108\" data-end=\"111\"\u003e\n\u003ch3 data-start=\"113\" data-end=\"131\"\u003e\u003cstrong data-start=\"117\" data-end=\"129\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"132\" data-end=\"676\"\u003eWhen your outboard starts running hot or losing water pressure, it’s usually time to rebuild the pump. The \u003cstrong data-start=\"239\" data-end=\"305\"\u003eMercury Marine 60366Q1 Quicksilver Upper Water Pump Repair Kit\u003c\/strong\u003e has everything you need to bring your \u003cstrong data-start=\"344\" data-end=\"389\"\u003eolder 40–70HP Mercury or Mariner 2-stroke\u003c\/strong\u003e back to proper cooling performance. The 7-piece set includes gaskets, o-rings, plates, the impeller, key, and molded upper housing — all built to Mercury’s original standards. It’s simple, reliable, and designed to keep your outboard running cool, even through long days on the water.\u003c\/p\u003e\n\u003chr data-start=\"678\" data-end=\"681\"\u003e\n\u003ch3 data-start=\"683\" data-end=\"705\"\u003e\u003cstrong data-start=\"687\" data-end=\"703\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"708\" data-end=\"799\"\u003e\n\u003cstrong data-start=\"708\" data-end=\"720\"\u003ePurpose:\u003c\/strong\u003e Replaces worn or damaged upper pump components to restore full cooling flow.\u003c\/li\u003e\n\u003cli data-start=\"802\" data-end=\"922\"\u003e\n\u003cstrong data-start=\"802\" data-end=\"815\"\u003eContents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"825\" data-end=\"886\"\u003eimpeller, plates, o-ring, key, gaskets, and upper housing\u003c\/strong\u003e — a complete 7-piece rebuild set.\u003c\/li\u003e\n\u003cli data-start=\"925\" data-end=\"1042\"\u003e\n\u003cstrong data-start=\"925\" data-end=\"938\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"949\" data-end=\"1003\"\u003emarine-grade rubber and corrosion-resistant metals\u003c\/strong\u003e that stand up to heat and saltwater.\u003c\/li\u003e\n\u003cli data-start=\"1045\" data-end=\"1152\"\u003e\n\u003cstrong data-start=\"1045\" data-end=\"1061\"\u003ePerformance:\u003c\/strong\u003e Ensures smooth, steady water flow to prevent overheating and improve cooling efficiency.\u003c\/li\u003e\n\u003cli data-start=\"1155\" data-end=\"1245\"\u003e\n\u003cstrong data-start=\"1155\" data-end=\"1170\"\u003eDurability:\u003c\/strong\u003e Withstands pressure, vibration, and wear in demanding marine conditions.\u003c\/li\u003e\n\u003cli data-start=\"1248\" data-end=\"1351\"\u003e\n\u003cstrong data-start=\"1248\" data-end=\"1268\"\u003eEase of Service:\u003c\/strong\u003e Installs easily with hand tools — a quick repair that keeps your motor reliable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1353\" data-end=\"1356\"\u003e\n\u003ch3 data-start=\"1358\" data-end=\"1395\"\u003e\u003cstrong data-start=\"1362\" data-end=\"1393\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1398\" data-end=\"1431\"\u003eMercury 40HP 2-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1467\"\u003eMercury 50HP 2-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1470\" data-end=\"1503\"\u003eMercury 60HP 2-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1506\" data-end=\"1539\"\u003eMercury 70HP 2-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1578\"\u003eMariner 40–70HP 2-stroke outboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1580\" data-end=\"1583\"\u003e\n\u003ch3 data-start=\"1585\" data-end=\"1628\"\u003e\u003cstrong data-start=\"1589\" data-end=\"1626\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1629\" data-end=\"1965\"\u003eThe \u003cstrong data-start=\"1633\" data-end=\"1655\"\u003e60366Q1 repair kit\u003c\/strong\u003e restores proper water pressure and cooling efficiency by replacing the parts that wear out most over time. The flexible impeller delivers reliable water flow at every speed, while the gaskets and seals prevent air leaks that can reduce pressure. The molded housing keeps everything aligned and sealed tight.\u003c\/p\u003e\n\u003cp data-start=\"1967\" data-end=\"2137\"\u003eOnce rebuilt, your pump runs like new — keeping temperatures steady, protecting your powerhead, and giving you the confidence to run longer without overheating worries.\u003c\/p\u003e\n\u003chr data-start=\"2139\" data-end=\"2142\"\u003e\n\u003ch3 data-start=\"2144\" data-end=\"2176\"\u003e\u003cstrong data-start=\"2148\" data-end=\"2174\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2177\" data-end=\"2422\"\u003eThe \u003cstrong data-start=\"2181\" data-end=\"2204\"\u003eQuicksilver 60366Q1\u003c\/strong\u003e is a \u003cstrong data-start=\"2210\" data-end=\"2240\"\u003egenuine Mercury Marine kit\u003c\/strong\u003e, engineered specifically for older 40–70HP outboards. Generic kits can look similar but often include stiffer rubber, thin gaskets, or poorly machined parts that hurt performance.\u003c\/p\u003e\n\u003cp data-start=\"2424\" data-end=\"2611\"\u003eMercury’s OEM kits use high-quality materials tested for real marine use. They fit perfectly, hold pressure, and last longer, ensuring your cooling system performs exactly as it should.\u003c\/p\u003e\n\u003chr data-start=\"2613\" data-end=\"2616\"\u003e\n\u003ch3 data-start=\"2618\" data-end=\"2631\"\u003e\u003cstrong data-start=\"2622\" data-end=\"2629\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2633\" data-end=\"2752\"\u003e\u003cstrong data-start=\"2633\" data-end=\"2672\"\u003eQ1: What engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2672\" data-end=\"2675\"\u003eIt’s designed for \u003cstrong data-start=\"2693\" data-end=\"2749\"\u003eolder Mercury and Mariner 40–70HP 2-stroke outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2754\" data-end=\"2882\"\u003e\u003cstrong data-start=\"2754\" data-end=\"2789\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2789\" data-end=\"2792\"\u003eYou get \u003cstrong data-start=\"2800\" data-end=\"2812\"\u003e7 pieces\u003c\/strong\u003e — impeller, gaskets, o-ring, plates, key, and molded upper housing.\u003c\/p\u003e\n\u003cp data-start=\"2884\" data-end=\"3017\"\u003e\u003cstrong data-start=\"2884\" data-end=\"2928\"\u003eQ3: How often should I rebuild the pump?\u003c\/strong\u003e\u003cbr data-start=\"2928\" data-end=\"2931\"\u003eInspect the impeller every season and rebuild \u003cstrong data-start=\"2977\" data-end=\"3007\"\u003eevery 2 years or 200 hours\u003c\/strong\u003e of use.\u003c\/p\u003e\n\u003cp data-start=\"3019\" data-end=\"3149\"\u003e\u003cstrong data-start=\"3019\" data-end=\"3055\"\u003eQ4: What’s the impeller made of?\u003c\/strong\u003e\u003cbr data-start=\"3055\" data-end=\"3058\"\u003eA \u003cstrong data-start=\"3060\" data-end=\"3089\"\u003eflexible marine elastomer\u003c\/strong\u003e that stays soft and maintains strong flow under pressure.\u003c\/p\u003e\n\u003cp data-start=\"3151\" data-end=\"3311\"\u003e\u003cstrong data-start=\"3151\" data-end=\"3190\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3190\" data-end=\"3193\"\u003eMercury OEM parts ensure the right fit, reliable performance, and long-lasting protection your engine was built for.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940116386083,"sku":"46-60366Q1","price":71.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/60366q1_main.jpg?v=1760631167","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-quicksilver-water-pump-upper-repair-kit-46-60366q1","provider":"PartsVu","version":"1.0","type":"link"}