6CE-44315-00 Yamaha Water Pump Gasket | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha 4.2L V6 Water Pump Base Gasket - Part Number: 6CE-44315-00

A genuine Yamaha water-pump gasket for selected 4.2-litre V6 four-stroke lower units.

The gasket seals the water-pump base and wear-plate assembly to the gearcase, preventing air and water from bypassing the impeller chamber.

⚙️ Key Features

• Genuine Yamaha OEM water-pump gasket

• Correct Yamaha part number 6CE-44315-00

• Used on Yamaha F225, F250 and F300 4.2L V6 outboards

• Included in complete water-pump repair kits

• WSM and Sierra replacement references available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 6CE-44315-00 current OEM water-pump gasket reference

OEM / Related Numbers:

• 6CE-44315-00

• 6CE-44315-00-00

• 6CE-W0078-00 related complete water-pump kit

• 6CE-W0078-01 related complete water-pump kit

Aftermarket / Verified Equivalents:

• WSM: 445-312

• Sierra: 18-3458

• SeaSierra: 6CE-44315-00 replacement gasket

🚤 Compatibility

Commonly used on:

• Yamaha 4.2L V6 lower-unit water-pump assemblies

• Conventional and VMAX SHO high-horsepower gearcases

Typically suits:

• Engine models:

• Yamaha F225F

• Yamaha LF225F

• Yamaha F225XB

• Yamaha F225XCA

• Yamaha F250D

• Yamaha LF250D

• Yamaha F250UCA

• Yamaha F250XB

• Yamaha F250XCA

• Yamaha F300B

• Yamaha LF300B

• Yamaha VF225 VMAX SHO

• Yamaha VF250 VMAX SHO

• Yamaha VF300 VMAX SHO

• HP Range: 225HP - 300HP

• Engine Type: Yamaha 4.2L V6 four-stroke outboard

• Year Range: Approximately 2010-2022, dependent on model

🔌 Function

The gasket seals the pump base against the gear housing so the impeller can draw and discharge cooling water without leakage.

Common signs of failure:

• Weak tell-tale or cooling-water flow

• Engine overheats under load

• Air enters around the pump base

• Gasket tears during water-pump service

• Cooling performance remains poor after impeller replacement

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging