6E0-44311-00 Yamaha Water Pump Housing | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Portable Outboard Water Pump Housing - Part Number: 6E0-44311-00

A genuine Yamaha water-pump housing for selected 4HP and 5HP two-stroke outboards and early F4 four-stroke engines.

The housing encloses the flexible impeller and forms the chamber that draws cooling water through the lower-unit inlet.

⚙️ Key Features

• Genuine Yamaha OEM water-pump housing

• Correct Yamaha part number 6E0-44311-00

• Used on compact 4HP and 5HP Yamaha gearcases

• Compatible with selected early F4 four-stroke lower units

• Cross-references with Sierra and Parsun housings

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 68D-G4311-01 later replacement housing reference

• 68D-G4311-00 earlier related replacement reference

• 6E0-44311-00 original Yamaha water-pump housing reference

OEM / Related Numbers:

• 6E0-44311-00

• 6E0-44311-00-00

• 6E0443110000

• 6E0-44311-01

• 68D-G4311-00

• 68D-G4311-01

• 6E0-44322-02 related cartridge insert

• 6E0-44323-00 related cartridge plate

• 6E0-44352-00 related impeller

Aftermarket / Verified Equivalents:

• Sierra: 18-43263

• Parsun: PAF4-03000019

• Parsun: F4-03000019

• Sea Sierra: complete 6E0-W0078-series pump kit

• Direct replacement housing: 68D-G4311-01

🚤 Compatibility

Commonly used on:

• Yamaha portable two-stroke and early four-stroke lower-unit water pumps

• Corresponding Parsun F4 / F5 lower units

Typically suits:

• Engine models:

• Yamaha 4A two-stroke

• Yamaha 4B two-stroke

• Yamaha 4AC and 4AM

• Yamaha 4ACMH and 4CMH

• Yamaha 5C two-stroke

• Yamaha 5CMH

• Yamaha F4A four-stroke - approximately 1998-2009

• Parsun F4 and F5 applications using housing PAF4-03000019

• HP Range: 4HP - 5HP

• Engine Type: Yamaha / Parsun two-stroke and early four-stroke outboard

• Year Range: Approximately 1984 - 2009, dependent on lower-unit design

🔌 Function

The housing surrounds the impeller and provides the internal shape needed to create cooling-water suction and pressure.

Common signs of failure:

• Housing is scored, melted or distorted

• Weak or absent tell-tale stream

• Engine overheats despite fitting a new impeller

• Housing cracks around the mounting bolts

• Water leaks around the pump outlet or base

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging