{"product_id":"mercury-water-pump-base-fits-120-140-160-drives-w-flush-screw-in-gear-housing-46-48748a1","title":"Mercury – Quicksilver Water Pump Base Assembly | Cooling System Part | Reinforced Nylon | 48748A1","description":"\u003cp data-start=\"0\" data-end=\"103\"\u003e\u003cstrong data-start=\"0\" data-end=\"101\"\u003eMercury – Quicksilver Water Pump Base Assembly | Cooling System Part | Reinforced Nylon | 48748A1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"105\" data-end=\"108\"\u003e\n\u003ch3 data-start=\"110\" data-end=\"128\"\u003e\u003cstrong data-start=\"114\" data-end=\"126\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"129\" data-end=\"696\"\u003eIf your MerCruiser is running hotter than normal or losing water pressure, the problem might start at the pump base. The \u003cstrong data-start=\"250\" data-end=\"313\"\u003eMercury Marine 48748A1 Quicksilver Water Pump Base Assembly\u003c\/strong\u003e gives your cooling system a solid foundation, keeping the impeller aligned and water flowing smoothly. Designed for \u003cstrong data-start=\"430\" data-end=\"474\"\u003eMerCruiser 120, 140, and 160 sterndrives\u003c\/strong\u003e with flush screw-in gear housings, it’s made from \u003cstrong data-start=\"525\" data-end=\"545\"\u003ereinforced nylon\u003c\/strong\u003e that won’t crack or deform under heat and pressure. It’s a tough, long-lasting part that helps your engine stay cool and dependable year after year.\u003c\/p\u003e\n\u003chr data-start=\"698\" data-end=\"701\"\u003e\n\u003ch3 data-start=\"703\" data-end=\"725\"\u003e\u003cstrong data-start=\"707\" data-end=\"723\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"728\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"728\" data-end=\"736\"\u003eJob:\u003c\/strong\u003e Supports the impeller and seals the lower unit to maintain even water flow.\u003c\/li\u003e\n\u003cli data-start=\"817\" data-end=\"919\"\u003e\n\u003cstrong data-start=\"817\" data-end=\"830\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"841\" data-end=\"861\"\u003ereinforced nylon\u003c\/strong\u003e, resistant to heat, vibration, and saltwater corrosion.\u003c\/li\u003e\n\u003cli data-start=\"922\" data-end=\"994\"\u003e\n\u003cstrong data-start=\"922\" data-end=\"933\"\u003eDesign:\u003c\/strong\u003e Built to \u003cstrong data-start=\"943\" data-end=\"973\"\u003efactory Mercury dimensions\u003c\/strong\u003e for a precise fit.\u003c\/li\u003e\n\u003cli data-start=\"997\" data-end=\"1084\"\u003e\n\u003cstrong data-start=\"997\" data-end=\"1013\"\u003ePerformance:\u003c\/strong\u003e Keeps the impeller stable, ensuring consistent pressure and cooling.\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1165\"\u003e\n\u003cstrong data-start=\"1087\" data-end=\"1102\"\u003eDurability:\u003c\/strong\u003e Lightweight but tough enough to handle long-term marine use.\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1265\"\u003e\n\u003cstrong data-start=\"1168\" data-end=\"1176\"\u003eFit:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"1190\" data-end=\"1234\"\u003eMerCruiser 120, 140, and 160 sterndrives\u003c\/strong\u003e with screw-in gear housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1267\" data-end=\"1270\"\u003e\n\u003ch3 data-start=\"1272\" data-end=\"1309\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1307\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1312\" data-end=\"1370\"\u003eMerCruiser 120 sterndrives (flush screw-in gear housing)\u003c\/li\u003e\n\u003cli data-start=\"1373\" data-end=\"1431\"\u003eMerCruiser 140 sterndrives (flush screw-in gear housing)\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1492\"\u003eMerCruiser 160 sterndrives (flush screw-in gear housing)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1494\" data-end=\"1497\"\u003e\n\u003ch3 data-start=\"1499\" data-end=\"1542\"\u003e\u003cstrong data-start=\"1503\" data-end=\"1540\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1543\" data-end=\"1899\"\u003eThe \u003cstrong data-start=\"1547\" data-end=\"1568\"\u003e48748A1 pump base\u003c\/strong\u003e keeps your cooling system steady by securing the impeller and sealing the pump chamber. That means steady water pressure, cooler running temperatures, and fewer overheating headaches. The reinforced nylon construction holds up against constant water flow and vibration, resisting wear that can lead to leaks or weak circulation.\u003c\/p\u003e\n\u003cp data-start=\"1901\" data-end=\"2118\"\u003eIf your pump base is old or cracked, it can cause air leaks that disrupt water flow. Replacing it restores smooth, reliable cooling performance — and helps your engine stay protected on long runs or hot summer days.\u003c\/p\u003e\n\u003chr data-start=\"2120\" data-end=\"2123\"\u003e\n\u003ch3 data-start=\"2125\" data-end=\"2157\"\u003e\u003cstrong data-start=\"2129\" data-end=\"2155\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2158\" data-end=\"2392\"\u003eThe \u003cstrong data-start=\"2162\" data-end=\"2185\"\u003eQuicksilver 48748A1\u003c\/strong\u003e is a \u003cstrong data-start=\"2191\" data-end=\"2234\"\u003egenuine Mercury Marine replacement part\u003c\/strong\u003e, built to match your engine’s exact specs. Aftermarket parts might look the same but often don’t line up perfectly or use materials that soften under heat.\u003c\/p\u003e\n\u003cp data-start=\"2394\" data-end=\"2602\"\u003eMercury’s OEM parts are tested under real boating conditions for durability and precision. With OEM, you get a part that fits right the first time and keeps your cooling system working exactly as it should.\u003c\/p\u003e\n\u003chr data-start=\"2604\" data-end=\"2607\"\u003e\n\u003ch3 data-start=\"2609\" data-end=\"2622\"\u003e\u003cstrong data-start=\"2613\" data-end=\"2620\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2624\" data-end=\"2755\"\u003e\u003cstrong data-start=\"2624\" data-end=\"2663\"\u003eQ1: What drives does this base fit?\u003c\/strong\u003e\u003cbr data-start=\"2663\" data-end=\"2666\"\u003eIt fits \u003cstrong data-start=\"2674\" data-end=\"2718\"\u003eMerCruiser 120, 140, and 160 sterndrives\u003c\/strong\u003e with flush screw-in gear housings.\u003c\/p\u003e\n\u003cp data-start=\"2757\" data-end=\"2890\"\u003e\u003cstrong data-start=\"2757\" data-end=\"2785\"\u003eQ2: What’s it made from?\u003c\/strong\u003e\u003cbr data-start=\"2785\" data-end=\"2788\"\u003eIt’s made from \u003cstrong data-start=\"2803\" data-end=\"2823\"\u003ereinforced nylon\u003c\/strong\u003e, a strong, corrosion-resistant material designed for marine use.\u003c\/p\u003e\n\u003cp data-start=\"2892\" data-end=\"3007\"\u003e\u003cstrong data-start=\"2892\" data-end=\"2915\"\u003eQ3: Why replace it?\u003c\/strong\u003e\u003cbr data-start=\"2915\" data-end=\"2918\"\u003eCracked or warped bases can cause leaks and reduced water flow, leading to overheating.\u003c\/p\u003e\n\u003cp data-start=\"3009\" data-end=\"3131\"\u003e\u003cstrong data-start=\"3009\" data-end=\"3041\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3041\" data-end=\"3044\"\u003eYes — it installs easily with basic tools when servicing your impeller or lower unit.\u003c\/p\u003e\n\u003cp data-start=\"3133\" data-end=\"3272\"\u003e\u003cstrong data-start=\"3133\" data-end=\"3172\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3172\" data-end=\"3175\"\u003eOEM ensures the right dimensions, sealing surfaces, and durability tested by Mercury engineers.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438516003,"sku":"46-48748A1","price":38.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/48748A1_Main.jpg?v=1760631147","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-water-pump-base-fits-120-140-160-drives-w-flush-screw-in-gear-housing-46-48748a1","provider":"PartsVu","version":"1.0","type":"link"}