Water pump repair kit for Yamaha 40HP 50HP RO : 6H4-W0078-00

Water pump kit for Yamaha
High-quality marine engine spare parts.



Water pump kit.



Reference to Yamaha:

6H4-W0078-00 6H4W007800


Sierra 18-3429




Compatible with the following Yamaha outboards



40 HP 50 HP , 2 STROKE

40N / H / HE , 2 STROKE , 3 CYL 1984-1994

50D/ 50DE / 50AETN , 2 STROKE 3 CYL 1984-1993

Two stroke 40HP & 50HP, depends on serial number



Kit contains: 1 x Cartridge Insert (663-44322-00)

1 x Cartridge Outer Plate (663-44323-00)

1 x Impeller (6H4-44352-02)

1 x Water Seal (663-44366-00)

1 x Woodruff Key (90280-03024-00)

2+2 x Bolts (97395-08055-00 97395-08045-00

1 x Gasket Water pump 663-44315-00

1 x Gasket Cartridge 663-44324-A0

1 x Gasket Water pump 663-44316-A0

DI: 16.00 mm
DE: 52.00 mm
H: 18.50 mm
6 blades, plastic hub


Do not hesitate to provide your engine serial number to confirm the compatibility.