Fuel Pump Diaphragm Repair Kit – Yamaha / Mariner 9.9 HP, 15 HP & 20 HP Outboards

Quality marine-grade aftermarket fuel pump diaphragm repair kit for selected Yamaha and Mariner 9.9 HP, 15 HP and 20 HP outboard engines.

Designed to replace worn or damaged fuel pump diaphragm components, helping restore consistent fuel delivery, reliable starting and smooth engine performance.

Fitment – Yamaha / Mariner Outboards

HP	Application
9.9 HP	Selected Yamaha / Mariner models
15 HP	Selected Yamaha / Mariner models
20 HP	Selected Yamaha / Mariner models

Important: Suitable only for engines using the corresponding fuel pump diaphragm reference. Not all Yamaha or Mariner engines within these horsepower ranges use the same fuel pump.

Please confirm your engine model, serial number and original fuel pump part number before ordering.

Replaces Yamaha Part Numbers

66M-24471-01-00
66M-24471-01

OEM references are provided for identification purposes only.

Product Details

Condition: New
Product: Fuel Pump Diaphragm Repair Kit
Quality: Marine-Grade Aftermarket
Application: Selected Yamaha / Mariner Outboards
Horsepower: 9.9 HP, 15 HP, 20 HP
Main Reference: 66M-24471-01-00

Please note: This is a fuel pump diaphragm repair kit, not a complete fuel pump assembly.

Please check the product photographs for the exact components supplied.

Important – Check Compatibility

Yamaha and Mariner produced different fuel pump configurations across their outboard ranges.

Before ordering, please confirm your engine model, serial number and original fuel pump diaphragm reference.

If the part looks the same as yours, this does not always mean it is the correct part for your outboard.

If unsure, contact SSI Marine with your engine details before purchasing.

Why Buy From SSI Marine?

Workshop-tested aftermarket and genuine parts
Over 10,000 genuine and aftermarket items stocked
Same-day dispatch before 1 PM Monday–Friday
Royal Mail Tracked 24
UK stock – collection from Leigh, Greater Manchester
Technical support from experienced marine engineers

Buyer Responsibility: Please confirm compatibility before purchasing.

9.9–20 HP Yamaha Mariner Outboard Fuel Pump Diaphragm Kit 66M-24471-01