This aftermarket Yamaha 63D-W0078-03 water pump repair kit is designed to restore cooling system performance on compatible Yamaha 40HP, 50HP and 60HP outboard motors. The kit replaces Yamaha part numbers 63D-W0078-00 and 63D-W0078-01 and includes the water pump housing 63D-44311-00, making it an ideal solution for routine water pump servicing and preventative maintenance.
A properly functioning water pump is critical for maintaining engine cooling and preventing overheating. Replacing worn water pump components at recommended service intervals helps ensure reliable engine operation and long-term durability.
Yamaha Two Stroke Models:
40V, 40VETO, 40VMHD, 40VHWTO (1995-2019)
50HET, 50HETO, 50HMHD, 50HMHO, 50HWHTO (1996-2019)
Yamaha Four Stroke Models:
F50AEHT, F50AET (1995-2006)
F50FEHT, F50FET (2005-2012)
F50HEHT, F50HET (2013-2014)
F50LB, F50LHB (2015+)
F60AEHT, F60AET (2002-2006)
F60CEHT, F60CET (2005-2012)
F60FEHT, F60FET (2013-2014)
F60LB, F60LHB (2015+)
What Yamaha part numbers does this kit replace?
This kit replaces Yamaha 63D-W0078-03 and supersedes Yamaha 63D-W0078-01 and 63D-W0078-00.
Does this kit include the water pump housing?
Yes. This repair kit includes water pump housing 63D-44311-00.
Which Yamaha outboards does this kit fit?
This kit suits a range of Yamaha 40HP, 50HP and 60HP two-stroke and four-stroke outboard models. Refer to the compatibility list above for exact model coverage.
Is this a genuine Yamaha kit?
No. This is a quality aftermarket replacement water pump repair kit.
This aftermarket Yamaha 63D-W0078-03 water pump repair kit provides a reliable and cost-effective solution for maintaining proper cooling system performance and protecting your outboard engine from overheating.
Best aspect is that it is a complete kit so you are able to renew all vital components
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