Fuel Pump 803529T06 3H6-04000-7 for Tohatsu, Mercury & Mariner 4-Stroke 4–9.8HP

Fuel Pump 803529T06 3H6-04000-7 for Tohatsu, Mercury & Mariner 4-Stroke 4–9.8HP

Fuel pump assembly suitable for small 4-stroke outboard engines from Tohatsu, Mercury and Mariner.
Direct replacement for a wide range of OEM fuel pump numbers used on 4HP, 5HP, 6HP, 8HP and 9.8HP engines depending on production year.

This unit replaces all earlier 803529T versions (T01–T07) and corresponding Tohatsu pump numbers with the same mounting pattern.

Replacement OEM numbers (all formats included):
Tohatsu / Nissan:
3H6-04000-7, 3H6040007, 3H6-04000-7, 3H6040007
3H6-04000-3, 3H6040003
3H6-04000-1, 3H6040001
3H6-04000-4, 3H6040004
3H6-04000-0, 3H6040000
3H6-04000, 3H604000, 3H6 04000
3H6-04000-2, 3H6040002
3H6-04000-5, 3H6040005
3H6-04000-6, 3H6040006

Mercury / Mariner (Quicksilver):
803529T01, 803529T02, 803529T03, 803529T05, 803529T06, 803529T07
803529T, 803529

Evinrude / Johnson:
5040977

Compatible with Tohatsu 4-stroke outboards:
MFS 4A2, MFS 4B
MFS 5A2, MFS 5B
MFS 6A2, MFS 6B
MFS 8A, MFS 8A2, MFS 8A3
MFS 9.8A, MFS 9.8A2, MFS 9.8A3

Compatible with Mercury / Mariner 4-stroke outboards:
4HP
5HP
6HP

Also suitable for some small Evinrude / Johnson 4-stroke models where the OEM number matches.

This pump uses the same mounting footprint and hose connections as the original pump versions and is a direct bolt-on replacement.

If you are uncertain about compatibility, you may provide your model number and year for confirmation.