{"product_id":"water-pump-kit-w-housing-6h3-w0078-00-for-yamaha-50-60-70hp-2-4-stroke-size-18-3461","title":"Water Pump Kit w\/Housing 6H3-W0078-00 for Yamaha 50 60 70HP 2\/4-Stroke - size: 18-3461","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete Water Pump Kit WITH Housing (Not Housing-Less 6H3-W0078-00)​ Complete Water Pump Kit WITH Housing (Not Housing-Less 6H3-W0078-00)​ Direct aftermarket replacement for Yamaha lower-unit pump service kits. Replaces 6H3-W0078-00-00, 6H3-W0078-A0-00, 6H3-44311-00-00​ and crosses Sierra 18-3461 (with housing) \/ 18-3466 \/ 18-3428-1. Kit includes impeller 6H3-44352-00, housing 6H3-44311-00, insert cup 663-44322-00, wear plate 6H3-44323-00, 3 gaskets, O-ring 93210-46044, woodruff key 90280-03M03, 2× M8 bolts 97095-08045\/08055. Match old housing stamp before ordering—this is the WITH-HOUSING version; housing-less 6H3-W0078-00 alone will not include the nylon cup.\u003c\/li\u003e\n\u003cli\u003eFor Yamaha 2-Stroke 60-70HP \u0026amp; 4-Stroke High-Thrust 50-60HP​ Engineered for 2-stroke 60F \/ C60 \/ E60 \/ P60 \/ 70 \/ 70B \/ C70​ and 4-stroke high-thrust T50 \/ FT50B\/C\/G\/J \/ T60 \/ FT60B\/D\/G. (Exact model-code\/year — 60F 1997-2003, 70B 1997-2003, FT50B 1997-2002, FT60G 2013-up\u003c\/li\u003e\n\u003cli\u003e50\/60\/70HP Shaft Family Only — NOT 40HP C40\/F40, NOT V6 90-150​ Critical:​ 6H3-W0078-00 fits the 50\/60\/70HP 3-cyl 2-stroke \u0026amp; 4-stroke high-thrust​ lower unit with the 6H3-series driveshaft diameter. It does NOT​ fit 40HP C40\/F40 (uses 6E5\/63V pump family), nor 75-90HP (6R5\/63Y), nor V6 115-150HP. Verify your engine decal reads 60F \/ 70B \/ FT50 \/ FT60​ before ordering.\u003c\/li\u003e\n\u003cli\u003eFixes Overheat, No Tell-Tale Stream \u0026amp; Milkshake Gear Lube​ Resolves weak tell-tale stream, sudden overheat alarm, melted impeller chunks in the housing, and water seeping past the pump seal into gearcase (milky lube). New neoprene impeller, SS316 wear plate\/cup, and fresh gaskets restore 4-6 GPM cooling flow. Grease the shaft lightly and clock vanes clockwise on install.\u003c\/li\u003e\n\u003cli\u003eLower-Unit Pull, 25-Minute Service​ Drop lower unit (4× 10mm mid-section bolts + trim tab), unstack old housing\/plate\/gaskets, seat woodruff key, drop impeller on shaft (vanes bend clockwise), stack new gaskets per diagram, torque housing bolts to 8 ft-lb in cross pattern, rehang lower unit, refill gear lube. Run on flushing muffs 3 min to confirm tell-tale before launch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FREPURDO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e 10.56 ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e balck\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 2 Stroke\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FREPURDO","offers":[{"title":"Default Title","offer_id":50414483112176,"sku":"B0GC63SJFK-size-18-3461","price":58.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/418vIx08cML.jpg?v=1788931329","url":"https:\/\/wrenchvanta.com\/products\/water-pump-kit-w-housing-6h3-w0078-00-for-yamaha-50-60-70hp-2-4-stroke-size-18-3461","provider":"WrenchVanta","version":"1.0","type":"link"}