6BX-G4315-01 Yamaha Water Pump Gasket | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Small-Outboard Water Pump Gasket - Part Number: 6BX-G4315-01

A genuine Yamaha water-pump housing gasket for selected 4HP to 6HP four-stroke outboards.

The gasket seals the pump housing to the lower-unit mating surface, preventing air and water leakage around the impeller chamber.

⚙️ Key Features

• Genuine Yamaha OEM water-pump gasket
• Correct original Yamaha part number 6BX-G4315-01
• Superseded by current gasket 6EE-G4315-00
• Used on Yamaha 4HP, 5HP and 6HP four-stroke outboards
• Direct aftermarket replacement gaskets available

🚤 Compatibility

Commonly used on

• Yamaha small four-stroke lower-unit water pumps
• Impeller and water-pump housing service

Typically suits

• Engine models:
• Yamaha F4A four-stroke
• Yamaha F4B four-stroke
• Yamaha F5A four-stroke
• Yamaha F6C four-stroke
• Yamaha F6D four-stroke
• HP Range: 4HP - 6HP
• Engine Type: Yamaha single-cylinder small four-stroke outboard
• Year Range: Serial-number controlled production

🔌 Function

The gasket seals the water-pump housing so the impeller can develop the suction and pressure needed to circulate cooling water.

⚠️ Common Signs of Failure

• Weak tell-tale flow
• Engine overheats at low speed
• Air enters around the pump housing
• Gasket is torn or compressed
• Pump performance remains poor after impeller replacement

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 6EE-G4315-00 → Supersedes 6BX-G4315-01
• 6BX-G4315-01 → Supersedes 6BX-G4315-00
• 6BX-G4315-00 → Supersedes / relates to 68D-G4315-A0

OEM / Related Numbers

• 6EE-G4315-00
• 6BX-G4315-01
• 6BX-G4315-00
• 68D-G4315-A0
• 6BXG431501

Aftermarket / Verified Equivalents

• Yamarine: 6BX-G4315-01 replacement gasket
• Aftermarket water-pump housing gasket: 6BX-G4315-01 / 6EE-G4315-00

📦 Condition

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