3H6-04000-7 803529T06 Fuel Pump For Tohatsu Mariner Mercury Outboard 4-9.8HP

Fuel Pump for Tohatsu Mariner Mercury

This replacement fuel pump for Tohatsu Mariner Mercury outboards delivers reliable fuel delivery for engines in the 4-9.8 HP range, referencing OEM numbers 3H6-04000-7 and 803529T06.

Overview

This fuel pump is built as a direct replacement for small outboard motors from Tohatsu, Mariner, and Mercury, using the 3H6-04000-7 and 803529T06 cross-reference numbers. It delivers steady fuel flow to the carburetor for engines rated between 4 and 9.8 HP. This fuel pump suits mechanics and boat owners who need a dependable replacement for an aging or leaking original pump.

Built For Performance

• Cross references OEM part numbers 3H6-04000-7 and 803529T06
• Designed for Tohatsu, Mariner, and Mercury 4-9.8 HP outboards
• Marine-grade materials resist fuel and moisture damage
• Direct bolt-on replacement for standard outboard fuel pump mounting
• Helps maintain consistent fuel pressure for reliable starting

Fits These Machines

• for Tohatsu 4-9.8 HP outboards
• for Mariner 4-9.8 HP outboards
• for Mercury 4-9.8 HP outboards

On-The-Job Use

• Replaces a failing fuel pump on small outboard engines
• Used on fishing boats, dinghies, and small skiffs
• Supports auxiliary outboard applications on sailboats and pontoons
• Common for seasonal maintenance of 4-9.8 HP outboard motors

Specs At A Glance

Good To Know

Q: What is the difference between 3H6-04000-7 and 803529T06? A: These are cross-reference part numbers for the same replacement fuel pump application, allowing compatibility across Tohatsu, Mariner, and Mercury outboards in the 4-9.8 HP range.

Q: How can this fuel pump be confirmed for a specific outboard? A: The original part number on the outboard should be compared with the two reference numbers, and the engine power rating should be verified within 4-9.8 HP.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.