{"product_id":"mercury-impeller-2-47-42038k02","title":"Mercury – Water Pump Impeller | Cooling System Component | Marine-Grade Elastomer | 42038K02","description":"\u003cp data-start=\"0\" data-end=\"98\"\u003e\u003cstrong data-start=\"0\" data-end=\"96\"\u003eMercury – Water Pump Impeller | Cooling System Component | Marine-Grade Elastomer | 42038K02\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"100\" data-end=\"103\"\u003e\n\u003ch3 data-start=\"105\" data-end=\"123\"\u003e\u003cstrong data-start=\"109\" data-end=\"121\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"124\" data-end=\"702\"\u003eKeeping your engine cool is one of the simplest ways to keep it alive. The \u003cstrong data-start=\"199\" data-end=\"235\"\u003eMercury Marine 42038K02 Impeller\u003c\/strong\u003e does that job perfectly. Built for \u003cstrong data-start=\"271\" data-end=\"320\"\u003eMercury and Mariner 6–15 horsepower outboards\u003c\/strong\u003e, it pulls water through the system and keeps temperatures steady from idle to wide-open throttle. The flexible rubber blades bend easily under pressure and spring back into shape, keeping water moving no matter how hard the engine is working. It’s a small part that carries a big load — steady cooling, dependable performance, and fewer worries every time you fire up your motor.\u003c\/p\u003e\n\u003chr data-start=\"704\" data-end=\"707\"\u003e\n\u003ch3 data-start=\"709\" data-end=\"731\"\u003e\u003cstrong data-start=\"713\" data-end=\"729\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"734\" data-end=\"821\"\u003e\n\u003cstrong data-start=\"734\" data-end=\"746\"\u003ePurpose:\u003c\/strong\u003e Moves water through your engine’s cooling system to prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"824\" data-end=\"937\"\u003e\n\u003cstrong data-start=\"824\" data-end=\"837\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"848\" data-end=\"883\"\u003emarine-grade flexible elastomer\u003c\/strong\u003e designed to last through heat, wear, and vibration.\u003c\/li\u003e\n\u003cli data-start=\"940\" data-end=\"1025\"\u003e\n\u003cstrong data-start=\"940\" data-end=\"956\"\u003ePerformance:\u003c\/strong\u003e Maintains strong, even water flow across a wide temperature range.\u003c\/li\u003e\n\u003cli data-start=\"1028\" data-end=\"1119\"\u003e\n\u003cstrong data-start=\"1028\" data-end=\"1039\"\u003eDesign:\u003c\/strong\u003e Precision-fit to \u003cstrong data-start=\"1057\" data-end=\"1078\"\u003eMercury OEM specs\u003c\/strong\u003e for smooth rotation and balanced flow.\u003c\/li\u003e\n\u003cli data-start=\"1122\" data-end=\"1221\"\u003e\n\u003cstrong data-start=\"1122\" data-end=\"1137\"\u003eDurability:\u003c\/strong\u003e Resists cracking, swelling, and fatigue, even in rough or hot running conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1407\" data-end=\"1410\"\u003e\n\u003ch3 data-start=\"1412\" data-end=\"1449\"\u003e\u003cstrong data-start=\"1416\" data-end=\"1447\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1452\" data-end=\"1516\"\u003e\n\u003cstrong data-start=\"1463\" data-end=\"1503\"\u003eMercury and Mariner 6–15HP TwoStroke\u003c\/strong\u003e outboards.\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1612\"\u003e\n\u003cstrong data-start=\"1529\" data-end=\"1568\"\u003e8–9.9HP FourStroke (2004 \u0026amp; earlier)\u003c\/strong\u003e and \u003cstrong data-start=\"1573\" data-end=\"1609\"\u003e15HP FourStroke (2008 \u0026amp; earlier)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1615\" data-end=\"1704\"\u003eGreat for \u003cstrong data-start=\"1625\" data-end=\"1701\"\u003esmall fishing rigs, inflatables, aluminum skiffs, and portable outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1707\" data-end=\"1777\"\u003ePerforms reliably in both \u003cstrong data-start=\"1733\" data-end=\"1761\"\u003esaltwater and freshwater\u003c\/strong\u003e environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1779\" data-end=\"1782\"\u003e\n\u003ch3 data-start=\"1784\" data-end=\"1827\"\u003e\u003cstrong data-start=\"1788\" data-end=\"1825\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1828\" data-end=\"2085\"\u003eA strong impeller is the heart of your cooling system. The \u003cstrong data-start=\"1887\" data-end=\"1908\"\u003e42038K02 impeller\u003c\/strong\u003e ensures constant water flow to keep your outboard running at the right temperature. Its flexible blades hug the housing tightly, pushing water efficiently even at low speeds.\u003c\/p\u003e\n\u003cp data-start=\"2087\" data-end=\"2397\"\u003eThis simple part prevents costly overheating and helps your motor maintain consistent performance. When replaced regularly, it extends the life of your water pump, impeller housing, and overall cooling system. Reliable, quiet, and durable — it’s the kind of part you install and forget because it just works.\u003c\/p\u003e\n\u003chr data-start=\"2399\" data-end=\"2402\"\u003e\n\u003ch3 data-start=\"2404\" data-end=\"2425\"\u003e\u003cstrong data-start=\"2408\" data-end=\"2423\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2426\" data-end=\"2660\"\u003eMercury’s \u003cstrong data-start=\"2436\" data-end=\"2448\"\u003e42038K02\u003c\/strong\u003e impeller is a \u003cstrong data-start=\"2463\" data-end=\"2488\"\u003egenuine OEM component\u003c\/strong\u003e, built exactly for the engines it serves. Aftermarket impellers might look the same, but even small differences in shape or stiffness can cause poor flow or faster wear.\u003c\/p\u003e\n\u003cp data-start=\"2662\" data-end=\"2966\"\u003eMercury tests every impeller design for pressure, temperature, and durability in real boating conditions. You get the right fit, the right flexibility, and a part that will last season after season. When you go OEM, you’re not guessing — you’re guaranteeing your cooling system works the way it should.\u003c\/p\u003e\n\u003chr data-start=\"2968\" data-end=\"2971\"\u003e\n\u003ch3 data-start=\"2973\" data-end=\"2986\"\u003e\u003cstrong data-start=\"2977\" data-end=\"2984\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2988\" data-end=\"3174\"\u003e\u003cstrong data-start=\"2988\" data-end=\"3023\"\u003eQ1: What engines does this fit?\u003c\/strong\u003e\u003cbr data-start=\"3023\" data-end=\"3026\"\u003eIt fits \u003cstrong data-start=\"3034\" data-end=\"3084\"\u003eMercury and Mariner 6–15HP TwoStroke outboards\u003c\/strong\u003e, plus \u003cstrong data-start=\"3091\" data-end=\"3130\"\u003e8–9.9HP FourStroke (2004 \u0026amp; earlier)\u003c\/strong\u003e and \u003cstrong data-start=\"3135\" data-end=\"3171\"\u003e15HP FourStroke (2008 \u0026amp; earlier)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3176\" data-end=\"3299\"\u003e\u003cstrong data-start=\"3176\" data-end=\"3204\"\u003eQ2: What’s it made from?\u003c\/strong\u003e\u003cbr data-start=\"3204\" data-end=\"3207\"\u003eIt’s crafted from \u003cstrong data-start=\"3225\" data-end=\"3251\"\u003emarine-grade elastomer\u003c\/strong\u003e that flexes easily and resists heat and wear.\u003c\/p\u003e\n\u003cp data-start=\"3301\" data-end=\"3442\"\u003e\u003cstrong data-start=\"3301\" data-end=\"3339\"\u003eQ3: How often should I replace it?\u003c\/strong\u003e\u003cbr data-start=\"3339\" data-end=\"3342\"\u003eInspect yearly and replace every \u003cstrong data-start=\"3375\" data-end=\"3403\"\u003etwo seasons or 200 hours\u003c\/strong\u003e, depending on use and water quality.\u003c\/p\u003e\n\u003cp data-start=\"3444\" data-end=\"3556\"\u003e\u003cstrong data-start=\"3444\" data-end=\"3477\"\u003eQ4: Is it safe for saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3477\" data-end=\"3480\"\u003eYes — it’s designed to perform in both \u003cstrong data-start=\"3519\" data-end=\"3542\"\u003efresh and saltwater\u003c\/strong\u003e conditions.\u003c\/p\u003e\n\u003cp data-start=\"3558\" data-end=\"3714\"\u003e\u003cstrong data-start=\"3558\" data-end=\"3597\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3597\" data-end=\"3600\"\u003eOEM impellers ensure perfect fit, reliable cooling pressure, and long life — things generic versions often miss.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940103442723,"sku":"47-42038K02","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/42038q02_main_ea15b3ec-7a7a-45f3-b666-ce0fe39046a8.jpg?v=1760631152","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-impeller-2-47-42038k02","provider":"PartsVu","version":"1.0","type":"link"}