Fuel Pump Diaphragm & Gasket Repair Kit – Mercury / Mariner 4 HP, 5 HP, 6 HP, 8 HP & 9.8 HP 2-Stroke Outboards

Quality marine-grade aftermarket fuel pump diaphragm and gasket repair kit for selected Tohatsu-built Mercury and Mariner 2-stroke outboard engines.

This 4-piece kit contains two fuel pump diaphragms and two gaskets, designed to replace worn components and help restore consistent fuel delivery and reliable engine operation.

Fitment – Mercury / Mariner Outboards

HP	Engine Application	Engine Type
4 HP	Selected Tohatsu-built models	2-Stroke
5 HP	Selected Tohatsu-built models	2-Stroke
6 HP	Selected Tohatsu-built models	2-Stroke
8 HP	Selected Tohatsu-built models	2-Stroke
9.8 HP	Selected Tohatsu-built models	2-Stroke

Corresponding Tohatsu Engine Models

M4C – 4 HP
M5B / M5BS – 5 HP
M6B – 6 HP
M8B – 8 HP
M9.8B – 9.8 HP

Important: Mercury/Mariner applications are limited to engines using the corresponding Tohatsu-type fuel pump. The Tohatsu model list is provided to help identify the correct engine family.

Not suitable for Japanese-built Mariner 4A / 5C engines with 6E0 or 6E3 serial-number prefixes.

Not suitable for 4-stroke engines.

Kit Contents – 4 Pieces

Qty	Tohatsu Part Number	Component
1	369-03302-0	Fuel Pump Cover Gasket
1	369-03303-0	Fuel Pump Diaphragm
1	369-03306-0	Fuel Pump Diaphragm
1	369-03307-0	Fuel Pump Gasket

Total: 2 diaphragms + 2 gaskets.

Mercury / Mariner Replacement References

11499M
11499T
16325
27-16274

Tohatsu Replacement References

369-03302-0
369-03303-0
369-03306-0
369-03307-0

Yamaha Reference

6G1-24411-00
6G1-24411-00-00

Please note: The above references identify individual components within the fuel pump assembly. They are not all interchangeable with one another.

OEM part numbers are supplied for identification purposes only.

Product Details

Condition: New
Product: Fuel Pump Diaphragm & Gasket Repair Kit
Quality: Marine-Grade Aftermarket
Application: Selected Mercury / Mariner 2-Stroke Outboards
Horsepower: 4 HP, 5 HP, 6 HP, 8 HP, 9.8 HP
Kit Contents: 4 Pieces
Main Mercury References: 11499T / 27-16274

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

Important – Check Compatibility

Please confirm your Mercury or Mariner engine model, serial number and original fuel pump components before ordering.

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 and photographs of the original fuel pump.

Why Buy From SSI Marine?

Workshop-tested genuine and aftermarket 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.

4–9.8 HP Mercury Mariner Outboard Fuel Pump Repair Kit 2-Stroke 11499T 27-16274