{"product_id":"water-pump-impeller-kit-for-mercury-mariner-4-4-5-7-5-9-8-hp-46-70941a3-18-3446","title":"Water Pump Impeller Kit for Mercury Mariner 4 4.5 7.5 9.8 HP 46-70941A3 18-3446","description":"\u003cstrong\u003eThis Water Pump Impeller Kit is a replacement impeller kit for Mercury Mariner outboard motors rated at 4, 4.5, 7.5, and 9.8 HP, and matches OEM Part# 46-70941A3 and 18-3446.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003eThis water pump impeller kit provides a direct replacement for the cooling system impeller in Mercury Mariner outboards from 4 to 9.8 HP. It ensures proper water circulation to prevent overheating and maintain engine performance. The kit includes the impeller and necessary gaskets for a complete rebuild.\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePremium rubber impeller for reliable water pump operation\u003c\/li\u003e\n\u003cli\u003eIncludes impeller, housing gasket, and key components\u003c\/li\u003e\n\u003cli\u003eDirect replacement for Mercury Mariner 4\/4.5\/7.5\/9.8 HP outboards\u003c\/li\u003e\n\u003cli\u003eOEM cross-reference: 46-70941A3, 18-3446\u003c\/li\u003e\n\u003cli\u003eRestores proper cooling system performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMercury Mariner 4 HP outboard\u003c\/li\u003e\n\u003cli\u003eMercury Mariner 4.5 HP outboard\u003c\/li\u003e\n\u003cli\u003eMercury Mariner 7.5 HP outboard\u003c\/li\u003e\n\u003cli\u003eMercury Mariner 9.8 HP outboard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplace worn water pump impeller during routine maintenance\u003c\/li\u003e\n\u003cli\u003ePrevent engine overheating in saltwater or freshwater operation\u003c\/li\u003e\n\u003cli\u003eRebuild cooling system after impeller damage or age\u003c\/li\u003e\n\u003cli\u003eRestore water flow in small outboard motors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 46-70941A3, 18-3446\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rubber impeller with stainless steel inserts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury Mariner 4-9.8 HP outboards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this impeller kit fit my Mercury Mariner 8 HP outboard?\u003cstrong\u003e A:\u003c\/strong\u003e This kit is designed for 4, 4.5, 7.5, and 9.8 HP models only; please verify your exact HP rating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include the housing or just the impeller?\u003cstrong\u003e A:\u003c\/strong\u003e The kit includes the impeller, gasket, and key components but not the pump housing.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53676849955089,"sku":"ZZ2Y01237","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_c6ec9db7-a76f-462c-ba75-eb0f72c540ca.jpg?v=1781579435","url":"https:\/\/www.duraforce.com\/products\/water-pump-impeller-kit-for-mercury-mariner-4-4-5-7-5-9-8-hp-46-70941a3-18-3446","provider":"DURAFORCE","version":"1.0","type":"link"}