This Outboard Water Pump Impeller Service Kit is for Yamaha 2-Stroke Outboard Motors Fits Yamaha 2 Stroke 40hp 50hp Outboard Models Replace Yamaha Outboard 6H4-W0078-00-00, 6H4-W0078-01-00, 6H4-W0078-A0-00, Sierra 18-3429 Package Contains: Wear Plate to Housing Gasket, Gasket, Insert Cup, Wear Plate, Wear Plate to Base Gasket, Grommet, Key, Impeller, Bolts Water pump impeller pushes coolant through the boat's engine block, radiator and hoses to get the engine heat away from the system

GHmarine 6H4W0078 Water Pump Impeller Kit for Yamaha Marine 2-Stroke 40hp 50hp Outboard Engines

Fits Yamaha Marine Outboard Models Specifications:

2-Stroke:

Yamaha 40 HP 1984-1994

Yamaha 50 HP 1984-1987

Yamaha 50 HP (Pro Series 50 )1987-1990

Yamaha 50 HP P50 1995-1996

Replace:

Yamaha 6H4-W0078-00-00, 6H4-W0078-01-00, 6H4-W0078-A0-00

Sierra Marine 18-3429

Package Includes:

1X Water Pump Impeller 6H4-44352-00

1X Key, Woodruff 90280-03024

1X Wear Plate 663-44323-00

1X Insert Cup 663-44322-00

1X Gasket 663-44315-A0

1X Gasket 663-44316-A0

1X Gasket 663-44324-A0

1X Grommet 663-44366-00

2X Bolt 97080-08045

2X Bolt 97080-08055