# 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• Superseded by current gasket 6EE-G4315-00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

  

🔄 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

  

🚤 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

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 17.0 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 17.00 AUD | In stock |

## Images

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

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6bx-g4315-01-6ee-g4315-00-water-pump-gasket)
> Updated: 2026-07-11