{"product_id":"uanofcn-77177a3-water-pump-impeller-kit-with-housing-for-mercury-marine-30-70-hp-outboards","title":"UANOFCN 77177A3 Water Pump Impeller Kit with Housing for Mercury Marine 30-70 HP Outboards","description":"\u003ch2\u003eKeep Your Mercury Marine 2-Cycle Outboard Cool\u003c\/h2\u003e\n\u003cp\u003eThe UANOFCN 77177A3 Water Pump Impeller Kit with Housing is designed for Mercury Marine 2-Cycle outboards in the 30 Jet to 70 HP range. This kit supports a full water pump refresh when replacing worn components and seals, helping maintain efficient coolant flow in everyday use.\u003c\/p\u003e\n\n\u003ch2\u003eWhat this kit offers\u003c\/h2\u003e\n\u003cp\u003eDesigned with compatibility and ease of installation in mind, the set includes everything needed to refresh the water pump and restore the flow path. For the best result, pair this kit with the 26-38452 Seal and 26-38453 Washer Kit during installation.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eWater Pump Impeller\u003c\/li\u003e\n\u003cli\u003eImpeller Plate\u003c\/li\u003e\n\u003cli\u003eImpeller Key\u003c\/li\u003e\n\u003cli\u003eWater Pump Housing\u003c\/li\u003e\n\u003cli\u003eWater Pump Base\u003c\/li\u003e\n\u003cli\u003eWater Pump Base Gasket\u003c\/li\u003e\n\u003cli\u003eLower Water Pump Gasket\u003c\/li\u003e\n\u003cli\u003eUpper Water Pump Gasket\u003c\/li\u003e\n\u003cli\u003eDrain Screw Gasket\u003c\/li\u003e\n\u003cli\u003eRubber Washer\u003c\/li\u003e\n\u003cli\u003eO-Ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility and replacement notes\u003c\/h2\u003e\n\u003cp\u003eFits Mercury Marine 2-Cycle 30 Jet and 35-70 HP outboards. This kit also serves as a replacement for OEM numbers such as 46-77177A3 and Sierra 18-3324, aligning with Mallory 9-48312 and GLM 12100. Before starting, verify model and pair with the seal and washer kit for an installation that minimizes leak risk.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFits Mercury Marine 2-Cycle 30 Jet through 70 HP outboards\u003c\/li\u003e\n\u003cli\u003eReplaces OEM numbers including 46-77177A3 and Sierra 18-3324\u003c\/li\u003e\n\u003cli\u003eRequires 26-38452 Seal and 26-38453 Washer Kit for full installation\u003c\/li\u003e\n\u003cli\u003eIncludes comprehensive components for a complete water pump refresh\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReal-world use and care\u003c\/h2\u003e\n\u003cp\u003eIn practical terms, a refreshed water pump helps move coolant through the engine cooling loop, supporting stable temperatures during boating, towing, or idle periods. Users may notice smoother engine operation and reduced heat buildup when the cooling system is well maintained.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation tips and best practices\u003c\/h2\u003e\n\u003cp\u003eFollow these steps to maximize performance and minimize leaks. Clean surfaces, inspect gasket surfaces, and replace worn seals and O-rings. Use proper lubrication on moving parts and torque fasteners according to guidance from your service manual.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePrepare the cooling loop and ensure the engine is cool before work\u003c\/li\u003e\n\u003cli\u003eReplace all gaskets and O-rings to prevent leaks\u003c\/li\u003e\n\u003cli\u003eTorque fasteners per OEM guidance and use recommended lubricants\u003c\/li\u003e\n\u003cli\u003eVerify fitment against OEM part numbers listed in compatibility notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDurability, quality, and fit\u003c\/h2\u003e\n\u003cp\u003eThis kit provides a practical refresh option for outboard cooling systems, with attention to compatibility and a complete parts list. While not a guarantee of performance, the components align with common Mercury Marine configurations and support reliable operation when installed correctly.\u003c\/p\u003e\n\n\u003ch2\u003eImportant notes\u003c\/h2\u003e\n\u003cp\u003eNote the requirement to pair this kit with the 26-38452 Seal and 26-38453 Washer Kit for complete installation. Always consult your model’s service manual to confirm compatibility before purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What models is this kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for Mercury Marine 2-Cycle 30 Jet through 70 HP outboards; confirm compatibility for your model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the kit include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Impeller, housing, plate, key, gaskets, seals, and hardware for a full pump replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"UANOFCN","offers":[{"title":"Default Title","offer_id":42470657949781,"sku":"B0C4NTLV6S","price":51.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/uanofcn-77177a3-water-pump-impeller-kit.jpg?v=1778141332","url":"https:\/\/plentytorque.co.uk\/products\/uanofcn-77177a3-water-pump-impeller-kit-with-housing-for-mercury-marine-30-70-hp-outboards","provider":"PlentyTorque","version":"1.0","type":"link"}