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

🚤 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

🔄 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

📦 Condition

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