# 6CB-14239-00 Yamaha Gasket | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Vapour Separator Tank Seal - Part Number: 6CB-14239-00

  

A genuine Yamaha moulded seal for selected four-stroke vapour-separator tank and fuel-system assemblies.

  

The seal closes the VST cover or adjoining fuel-system joint, preventing pressurised fuel and vapour from leaking while blocking unfiltered air and contamination from entering the tank.

  

⚙️ Key Features

  

• Genuine Yamaha OEM fuel-system seal

• Correct Yamaha part number 6CB-14239-00

• Used in vapour-separator and EFI fuel-system assemblies

• Fuel-resistant moulded sealing material

• ComponentsPlus and WSM-style replacement seals available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 6CB-14239-00 current OEM fuel-system seal reference

  

OEM / Related Numbers:

  

• 6CB-14239-00

• 6CB-14239-00-00

• VST seal

• Vapour-separator cover seal

  

Aftermarket / Verified Equivalents:

  

• ComponentsPlus: 600-109-09A2

• Aftermarket VST O-ring: 6CB-14239-00 replacement

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha EFI vapour-separator tank assemblies

• Four-stroke low- and high-pressure fuel systems

  

Typically suits:

  

• Engine models:

• Yamaha F115 four-stroke

• Yamaha F150 four-stroke

• Yamaha F175 four-stroke

• Yamaha F200 2.8L inline-four

• Yamaha F225 four-stroke

• Yamaha F250 four-stroke

• Yamaha F300 four-stroke

• Yamaha F350 four-stroke

• Yamaha 2.8L inline-four VST applications using seal 6CB-14239-00

  

• HP Range: 115HP - 350HP

• Engine Type: Yamaha EFI inline-four, V6 and V8 four-stroke outboard

• Year Range: Serial-number controlled production

  

🔌 Function

  

The seal contains fuel and vapour within the vapour-separator assembly so the pumps can maintain stable fuel pressure without leakage or air entry.

  

Common signs of failure:

  

• Fuel odour beneath the engine cowl

• Fuel leaking around the VST cover

• Engine loses fuel pressure

• Hard starting after the engine is parked

• Seal is swollen, flattened or cracked

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 46.55 AUD
- **Vendor:** Yamaha Pitmans Marine
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 46.55 AUD | In stock |

## Images

- 6CB-14239-00 Yamaha Gasket | Genuine OEM Yamaha Outboard Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/6cb-14239-00-gasket)
> Updated: 2026-07-11