{"product_id":"sierra-marine-water-pump-kit-18-3380","title":"Sierra Marine Water Pump Kit 18-3380 – Johnson \/ Evinrude 40-75HP Cooling System Rebuild","description":"\u003cp data-start=\"274\" data-end=\"540\"\u003eThe \u003cstrong data-start=\"278\" data-end=\"311\"\u003eSierra 18-3380 Water Pump Kit\u003c\/strong\u003e is a complete cooling system rebuild kit designed for Johnson and Evinrude mid-range outboards. This kit restores proper water circulation through the engine, preventing overheating and maintaining optimal operating temperature.\u003c\/p\u003e\n\u003cp data-start=\"542\" data-end=\"789\"\u003eThis is a \u003cstrong data-start=\"552\" data-end=\"577\"\u003e“without housing” kit\u003c\/strong\u003e, meaning it includes all critical internal components required to service the water pump while reusing the existing housing. Ideal for routine maintenance or resolving weak water pressure and overheating issues.\u003c\/p\u003e\n\u003cp data-start=\"791\" data-end=\"918\"\u003eBuilt to meet or exceed OEM specifications, Sierra provides reliable performance and long-lasting durability for OMC outboards.\u003c\/p\u003e\n\u003chr data-start=\"920\" data-end=\"923\"\u003e\n\u003ch2 data-start=\"925\" data-end=\"944\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"928\" data-end=\"944\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"945\" data-end=\"1229\"\u003e\n\u003cli data-start=\"945\" data-end=\"1000\"\u003eComplete internal water pump rebuild kit (no housing)\u003c\/li\u003e\n\u003cli data-start=\"1001\" data-end=\"1067\"\u003eIncludes impeller, wear plate, cup, gaskets, seals, and hardware\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1111\"\u003eDesigned for mid-horsepower OMC outboards\u003c\/li\u003e\n\u003cli data-start=\"1112\" data-end=\"1160\"\u003eRestores cooling efficiency and water pressure\u003c\/li\u003e\n\u003cli data-start=\"1161\" data-end=\"1202\"\u003eDirect OEM replacement fit and function\u003c\/li\u003e\n\u003cli data-start=\"1203\" data-end=\"1229\"\u003eSierra lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1231\" data-end=\"1234\"\u003e\n\u003ch2 data-start=\"1236\" data-end=\"1263\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1239\" data-end=\"1263\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1265\" data-end=\"1322\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1269\" data-end=\"1322\"\u003eJohnson \/ Evinrude \/ OMC Outboards (1979 \u0026amp; Newer)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1323\" data-end=\"1402\"\u003e\n\u003cli data-start=\"1323\" data-end=\"1332\"\u003e40 HP\u003c\/li\u003e\n\u003cli data-start=\"1333\" data-end=\"1342\"\u003e48 HP\u003c\/li\u003e\n\u003cli data-start=\"1343\" data-end=\"1352\"\u003e50 HP\u003c\/li\u003e\n\u003cli data-start=\"1353\" data-end=\"1362\"\u003e55 HP\u003c\/li\u003e\n\u003cli data-start=\"1363\" data-end=\"1372\"\u003e60 HP\u003c\/li\u003e\n\u003cli data-start=\"1373\" data-end=\"1382\"\u003e65 HP\u003c\/li\u003e\n\u003cli data-start=\"1383\" data-end=\"1392\"\u003e70 HP\u003c\/li\u003e\n\u003cli data-start=\"1393\" data-end=\"1402\"\u003e75 HP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1404\" data-end=\"1487\"\u003e➡️ Fits \u003cstrong data-start=\"1412\" data-end=\"1449\"\u003e2-cylinder and 3-cylinder engines\u003c\/strong\u003e using standard (small\/mid) gearcases.\u003c\/p\u003e\n\u003cp data-start=\"1489\" data-end=\"1591\"\u003eThese engines share similar pump designs, making this kit widely used across the mid-range OMC lineup.\u003c\/p\u003e\n\u003chr data-start=\"1593\" data-end=\"1596\"\u003e\n\u003ch2 data-start=\"1598\" data-end=\"1635\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1601\" data-end=\"1633\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1636\" data-end=\"1689\"\u003eFitment depends on gearcase type and production year.\u003c\/p\u003e\n\u003cp data-start=\"1691\" data-end=\"1709\"\u003e⚠️ Always confirm:\u003c\/p\u003e\n\u003cul data-start=\"1710\" data-end=\"1807\"\u003e\n\u003cli data-start=\"1710\" data-end=\"1746\"\u003eEngine horsepower and model year\u003c\/li\u003e\n\u003cli data-start=\"1747\" data-end=\"1781\"\u003eGearcase type (small vs large)\u003c\/li\u003e\n\u003cli data-start=\"1782\" data-end=\"1807\"\u003eOEM part number match\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1809\" data-end=\"1892\"\u003eSerial number verification is strongly recommended to avoid ordering the wrong kit.\u003c\/p\u003e\n\u003chr data-start=\"1894\" data-end=\"1897\"\u003e\n\u003ch2 data-start=\"1899\" data-end=\"1938\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1902\" data-end=\"1938\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1939\" data-end=\"1980\"\u003eReplace the water pump kit if you notice:\u003c\/p\u003e\n\u003cul data-start=\"1981\" data-end=\"2163\"\u003e\n\u003cli data-start=\"1981\" data-end=\"2021\"\u003eWeak or intermittent telltale stream\u003c\/li\u003e\n\u003cli data-start=\"2022\" data-end=\"2044\"\u003eEngine overheating\u003c\/li\u003e\n\u003cli data-start=\"2045\" data-end=\"2072\"\u003eReduced cooling at idle\u003c\/li\u003e\n\u003cli data-start=\"2073\" data-end=\"2118\"\u003eImpeller cracking, swelling, or hardening\u003c\/li\u003e\n\u003cli data-start=\"2119\" data-end=\"2163\"\u003eLong storage periods (dry impeller damage)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2165\" data-end=\"2226\"\u003eRecommended service interval: \u003cstrong data-start=\"2195\" data-end=\"2226\"\u003eevery 100 hours or annually\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2228\" data-end=\"2231\"\u003e\n\u003ch2 data-start=\"2233\" data-end=\"2258\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2236\" data-end=\"2258\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2259\" data-end=\"2546\"\u003e\n\u003cli data-start=\"2259\" data-end=\"2302\"\u003eThis kit \u003cstrong data-start=\"2270\" data-end=\"2302\"\u003edoes NOT include the housing\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2303\" data-end=\"2364\"\u003eInspect housing for scoring or melting — replace if damaged\u003c\/li\u003e\n\u003cli data-start=\"2365\" data-end=\"2413\"\u003eInstall impeller in correct rotation direction\u003c\/li\u003e\n\u003cli data-start=\"2414\" data-end=\"2460\"\u003eUse marine grease on impeller during install\u003c\/li\u003e\n\u003cli data-start=\"2461\" data-end=\"2507\"\u003eEnsure proper sealing of gaskets and O-rings\u003c\/li\u003e\n\u003cli data-start=\"2508\" data-end=\"2546\"\u003eTorque fasteners evenly to OEM specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2548\" data-end=\"2551\"\u003e\n\u003ch2 data-start=\"2553\" data-end=\"2595\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2556\" data-end=\"2595\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"2597\" data-end=\"2625\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2601\" data-end=\"2625\"\u003eOEM Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2626\" data-end=\"2725\"\u003e\n\u003cli data-start=\"2626\" data-end=\"2725\"\u003eJohnson \/ Evinrude \/ OMC:\n\u003cul data-start=\"2658\" data-end=\"2725\"\u003e\n\u003cli data-start=\"2658\" data-end=\"2673\"\u003e\u003cstrong data-start=\"2660\" data-end=\"2671\"\u003e0395780\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2676\" data-end=\"2691\"\u003e\u003cstrong data-start=\"2678\" data-end=\"2689\"\u003e0439071\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2694\" data-end=\"2709\"\u003e\u003cstrong data-start=\"2696\" data-end=\"2707\"\u003e0434425\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2712\" data-end=\"2725\"\u003e\u003cstrong data-start=\"2714\" data-end=\"2725\"\u003e0435147\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2727\" data-end=\"2730\"\u003e\n\u003ch3 data-start=\"2732\" data-end=\"2768\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2736\" data-end=\"2768\"\u003eAftermarket Cross References\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2769\" data-end=\"2810\"\u003e\n\u003cli data-start=\"2769\" data-end=\"2793\"\u003eMallory: \u003cstrong data-start=\"2780\" data-end=\"2791\"\u003e9-48207\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2794\" data-end=\"2810\"\u003eGLM: \u003cstrong data-start=\"2801\" data-end=\"2810\"\u003e12090\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2812\" data-end=\"2815\"\u003e\n\u003ch2 data-start=\"2817\" data-end=\"2834\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2820\" data-end=\"2832\"\u003eShipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2835\" data-end=\"2900\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564076695588,"sku":"18-3380","price":87.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/20884b1b-1110-4e83-a6fd-daf3c6af1796.png?v=1774144795","url":"https:\/\/marisolmarine.com\/products\/sierra-marine-water-pump-kit-18-3380","provider":"Marisol Marine Company","version":"1.0","type":"link"}