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

🚤 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

🔄 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

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging