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

🔧 Product Description

Genuine Yamaha Water Pump Housing - Part Number: 6CJ-44311-00

A genuine Yamaha lower-unit water-pump housing for F70 four-stroke outboards.

The housing surrounds the flexible impeller and forms the chamber required to draw cooling water through the gearcase inlet and direct it into the engine cooling tube.

⚙️ Key Features

• Genuine Yamaha OEM water-pump housing

• Correct Yamaha part number 6CJ-44311-00

• Designed for the Yamaha F70 lower-unit water pump

• Precision-moulded impeller chamber and water outlet

• Suitable for scheduled pump servicing and overheating repairs

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 6CJ-44311-00 current Yamaha OEM service reference

OEM / Related Numbers:

• 6CJ-44311-00

• 6CJ-44311-00-00

• 6CJ443110000

• 6CJ-44315-00 related water-pump gasket

• 6CJ-44324-00 related cartridge gasket

• 6CJ-W0078-00 related water-pump repair kit

• 6CJ-W0078-01 later water-pump repair-kit reference

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Yamaha F70A and F70LA four-stroke lower-unit water pumps

Typically suits:

• Engine models:

• Yamaha F70A

• Yamaha F70AET

• Yamaha F70AETL

• Yamaha F70LA

• Yamaha F70LA2

• Yamaha F70LA production from April 2010 onward

• HP Range: 70HP

• Engine Type: Yamaha inline-four EFI four-stroke outboard

• Year Range: Approximately 2010 onward

🔌 Function

The housing encloses the impeller and maintains the internal clearances required to generate cooling-water suction and pressure.

Common signs of failure:

• Internal housing surface is scored or melted

• Weak or absent tell-tale stream

• Engine overheats despite installation of a new impeller

• Housing is cracked, distorted or corroded

• Water leaks around the housing outlet or base

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging