# 62Y-24471-00 Yamaha Diaphragm | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Fuel Pump Diaphragm - Part Number: 62Y-24471-00-00

  

A genuine Yamaha OEM diaphragm used inside Yamaha 62Y-series mechanical fuel pump assemblies. This flexible diaphragm pulses with engine pressure changes to move fuel through the low-pressure fuel system.

  

⚙️ Key Features

  

• Genuine Yamaha OEM fuel pump diaphragm

• Correct Yamaha part number 62Y-24471-00-00

• Used inside Yamaha 62Y mechanical fuel pump assemblies

• Works with 62Y-24415 pump body and 62Y-24452 packing seal

• Critical component for correct low-pressure fuel delivery

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 62Y-24471-00-00 Yamaha fuel pump diaphragm reference

• 62Y-24471-00 short Yamaha diaphragm format

• 62Y-24410-04-00 related complete fuel pump assembly reference

• 62Y-24410-03-00 earlier complete fuel pump assembly reference

• 62Y-24410-02-00 related complete fuel pump assembly reference

• 62Y-24410-01-00 related complete fuel pump assembly reference

• 62Y-24410-00-00 earlier complete fuel pump assembly reference

  

OEM / Related Numbers:

  

• 62Y-24471-00-00

• 62Y-24471-00

• 62Y244710000

• 62Y2447100

• 62Y-24415-01-00 related fuel pump body

• 62Y-24415-00-00 related fuel pump body

• 62Y-24452-00-00 related packing seal

• 62Y-24410-04-00 related complete fuel pump assembly

• Mercury: 826398T3 related shared aftermarket fuel-pump reference

  

Aftermarket / Verified Equivalents:

  

• Supplied within aftermarket 62Y-24410 complete fuel pump replacement assemblies

• Aftermarket complete fuel pump assembly: 62Y-24410-04 replacement

• Aftermarket fuel pump and O-ring kit: 62Y-24410-00 / 62Y-24410-01 / 62Y-24410-02 / 62Y-24410-03 / 62Y-24410-04

• Aftermarket replacement reference: OBC 62Y-24410-04

• Standalone diaphragm replacement should be matched directly to OEM 62Y-24471-00-00

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha mechanical fuel pump assemblies

• Yamaha F20HP to F60HP four-stroke fuel systems using the 62Y pump family

  

Typically suits:

  

• Engine models:

• Yamaha F20 four-stroke fuel pump diaphragm applications

• Yamaha F25 four-stroke fuel pump diaphragm applications

• Yamaha F30 four-stroke fuel pump diaphragm applications

• Yamaha F40 four-stroke fuel pump diaphragm applications

• Yamaha F50 / F50A fuel pump diaphragm applications

• Yamaha F60 four-stroke fuel pump diaphragm applications

• Yamaha T50 / FT50 high-thrust fuel pump applications

• Yamaha T60 / FT60 high-thrust fuel pump applications

  

• HP Range: commonly 20HP - 60HP where specified

• Engine Type: Yamaha four-stroke outboard low-pressure fuel system

• Component Type: Fuel pump diaphragm

  

🔌 Function

  

The diaphragm flexes inside the fuel pump to create pumping action, drawing fuel from the tank and delivering it toward the engine fuel system.

  

Common signs of failure:

  

• Hard starting

• Engine starts then stalls

• Fuel starvation at higher throttle

• Poor acceleration

• Fuel leaking from pump body

• Diaphragm split, stiff, stretched or fuel-soaked

• Low fuel pump output during testing

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 25.15 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 25.15 AUD | In stock |

## Images

- 62Y-24471-00 Yamaha Diaphragm | Genuine OEM Yamaha Outboard Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/62y-24471-00-diaphragm)
> Updated: 2026-07-11
