6G1-44315-A0 Yamaha Gasket Water Pump | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha 6HP and 8HP Water Pump Gasket - Part Number: 6G1-44315-A0

A genuine Yamaha lower water-pump gasket for selected 6HP and 8HP two-stroke outboards.

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

⚙️ Key Features

• Genuine Yamaha OEM water-pump gasket

• Correct current Yamaha part number 6G1-44315-A0

• Supersedes earlier gasket 6G1-44315-00

• Designed for Yamaha 6C, 6D and 8C lower units

• Sierra and Recmar replacements available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 6G1-44315-A0 → Supersedes 6G1-44315-00

• 6G1-44315-00 earlier OEM water-pump gasket reference

OEM / Related Numbers:

• 6G1-44315-A0

• 6G1-44315-A0-00

• 6G1-44315-00

• 6G1-44352-00 related impeller

• 6G1-W0078-series related water-pump kits

• Mercury / Mariner related pump-family references

Aftermarket / Verified Equivalents:

• Sierra: 18-0753

• Recmar: REC6G1-44315-A0

• Aftermarket Yamaha / Mariner pump gasket: 6G1-44315-A0 replacement

🚤 Compatibility

Commonly used on:

• Yamaha 6HP and 8HP two-stroke lower-unit water pumps

• Corresponding Yamaha-manufactured Mariner gearcases

Typically suits:

• Engine models:

• Yamaha 6C two-stroke

• Yamaha 6D two-stroke

• Yamaha 6HP MSH and CMH applications

• Yamaha 8C two-stroke

• Yamaha 8CM two-stroke

• Yamaha 8HP short-, long- and manual-start variants using the 6G1 pump

• Yamaha 6HP two-stroke - approximately 1986-2000

• Yamaha 8HP two-stroke - approximately 1984-2005

• Corresponding Mariner 6HP and 8HP Yamaha-built two-strokes

• HP Range: 6HP - 8HP

• Engine Type: Yamaha / Mariner two-cylinder two-stroke outboard

• Year Range: Approximately 1984-2005

🔌 Function

The gasket seals the water-pump base so the impeller can create sufficient suction and pressure to circulate cooling water.

Common signs of failure:

• Weak or absent tell-tale flow

• Engine overheats at low speed

• Air enters around the pump base

• Gasket is torn or compressed

• Water-pump output remains low after fitting a new impeller

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging