{"product_id":"water-pump-repair-kit-for-yamaha-outboard-300-350-hp-6aw-w0078-00-00-18-3477","title":"Water Pump Repair Kit for Yamaha Outboard 300 350 HP 6AW W0078 00 00 18 3477","description":"\u003cstrong\u003eThis Water Pump Repair Kit is a repair kit compatible with Yamaha Outboard 300 HP and 350 HP models and matches OEM Part# 6AW-W0078-00-00 and 18-3477.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003eThe Water Pump Repair Kit restores cooling system performance on Yamaha Outboard 300 HP and 350 HP engines. This kit is essential for maintaining proper water flow and preventing overheating, making it ideal for boat owners and marine mechanics servicing Yamaha outboards.\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncludes all necessary seals, gaskets, and impeller for a complete water pump overhaul\u003c\/li\u003e\n\u003cli\u003eEngineered to OEM specifications for Yamaha 300 HP and 350 HP outboards\u003c\/li\u003e\n\u003cli\u003eHigh-temperature resistant materials ensure long service life\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM part numbers 6AW-W0078-00-00 and 18-3477\u003c\/li\u003e\n\u003cli\u003eHelps prevent engine damage from overheating due to water pump failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYamaha Outboard 300 HP (2-stroke and 4-stroke models)\u003c\/li\u003e\n\u003cli\u003eYamaha Outboard 350 HP (all variants)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn water pump components during routine outboard maintenance\u003c\/li\u003e\n\u003cli\u003eRepairing a failed water pump that causes insufficient cooling\u003c\/li\u003e\n\u003cli\u003eRestoring water flow after a clogged or damaged impeller\u003c\/li\u003e\n\u003cli\u003eAnnual or bi-annual water pump replacement in saltwater environments\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 6AW-W0078-00-00, 18-3477\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e Impeller, gasket, o-rings, seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this water pump repair kit compatible with Yamaha 250 HP outboards? \u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is specifically for Yamaha 300 HP and 350 HP models; other HP ratings use different pump components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include the housing or just internal parts? \u003cstrong\u003eA:\u003c\/strong\u003e This kit contains the internal repair components (impeller, seals, gaskets); the water pump housing must be reused or replaced separately if damaged.\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":53676782551313,"sku":"ZZ2Y01776","price":83.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_1a537f05-fb35-4201-9f94-8bbee736b0a3.jpg?v=1781578172","url":"https:\/\/www.duraforce.com\/products\/water-pump-repair-kit-for-yamaha-outboard-300-350-hp-6aw-w0078-00-00-18-3477","provider":"DURAFORCE","version":"1.0","type":"link"}