63D-44311-00 Yamaha Water Pump Housing | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Water Pump Housing - Part Number: 63D-44311-00-00

A genuine Yamaha OEM water pump housing used in Yamaha 63D-series lower-unit cooling-system assemblies. This housing supports the impeller, insert cartridge and outer plate so the pump can draw cooling water and supply the engine.

⚙️ Key Features

• Genuine Yamaha OEM water pump housing

• Correct Yamaha part number 63D-44311-00-00

• Used in Yamaha 63D water pump assemblies

• Works with 63D-44322-00 cartridge insert and 63D-44316-00 gasket

• Related to Yamaha 63D-W0078-03 water pump repair kit family

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 63D-44311-01-00 later related Yamaha water pump housing reference

• 63D-44311-00-00 Yamaha water pump housing reference

• 63D-W0078-03-00 related complete water pump repair kit

• 63D-W0078-01-00 related earlier water pump repair kit

• 63D-W0078-00-00 related earlier water pump repair kit

OEM / Related Numbers:

• 63D-44311-00-00

• 63D-44311-00

• 63D443110000

• 63D4431100

• 63D-44311-01-00

• 63D-44311-01

• 63D-W0078-03-00

• 63D-W0078-03

• 63D-W0078-01-00

• 63D-W0078-01

• 63D-W0078-00-00

• 63D-W0078-00

Aftermarket / Verified Equivalents:

• Aftermarket housing replacement: HJB-HS0022

• Aftermarket reference: 63D-44311-00 / 63D-44311-01

• Sierra water pump kit with housing: 18-3415

• Aftermarket water pump kit with housing: 63D-W0078-03 / 63D-W0078-01 replacement family

• SeaSierra / aftermarket kit reference: 63DW0078 with housing

• Aftermarket replacement housing for Yamaha FT / F40 / F50 / F60 40HP-60HP applications

🚤 Compatibility

Commonly used on:

• Yamaha 63D-series water pump assemblies

• Yamaha 40HP to 60HP lower-unit cooling systems

Typically suits:

• Engine models:

• Yamaha C40 two-stroke water pump applications where 63D-44311-00 is specified

• Yamaha P40 two-stroke water pump applications where specified

• Yamaha 40V / 40Y two-stroke water pump applications

• Yamaha F40A / F40C / F40D / F40H four-stroke water pump applications

• Yamaha 50H two-stroke water pump applications

• Yamaha F50A / F50D / F50F / F50H four-stroke water pump applications

• Yamaha FT50B / FT50C high-thrust water pump applications

• Yamaha F60A / F60B / F60C / F60F four-stroke water pump applications

• Yamaha T60 / FT60 high-thrust water pump applications

• HP Range: commonly 40HP - 60HP where specified

• Engine Type: Yamaha outboard lower-unit cooling system

• Component Type: Water pump housing

🔌 Function

The water pump housing holds the impeller and insert cartridge in position so the impeller can generate cooling-water pressure and flow.

Common signs of failure:

• Weak tell-tale water flow

• Engine overheating

• Melted or warped water pump housing

• Grooved or damaged pump surface

• Impeller failure caused by housing wear

• Air leakage around pump assembly

• Water pump service required after dry running or debris damage

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging