
Manual Oil Extractor Pump for Portable Generators & Small Engines
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One Hand Pump, Two Hose Setups for Generator Fuel Transfer
Designed for simple gasoline transfer around portable generators. The pump works in one fixed direction: the upper end pulls fuel in, and the lower end sends fuel out. Users can adjust the soft hose lengths based on the actual transfer setup.
- Top port is intake. Bottom port is outlet.
- Includes two fuel hoses for flexible setup.
- Adjust the hose length as needed; the pump body direction stays the same.
- Press the hand pump to start moving gasoline.
Remember the Flow Direction
The most important setup rule is simple: the upper hose is the intake side, and the lower hose is the outlet side. Users can adjust the soft hose length according to the actual fuel-transfer distance and tank position.
Upper Hose
Fuel enters the pump from this side.
Lower Hose
Fuel exits the pump from this side.
Two Main Generator Fuel Scenarios
For different generator fuel-transfer needs, keep the same flow direction and adjust the soft hose length to reach the fuel source and receiving tank safely.
Remove Gasoline from Inside the Generator
Place the upper intake hose into the generator fuel tank and direct the lower outlet hose into an approved fuel container. Adjust the soft hose length as needed, then press the hand pump to draw gasoline out.
Move Gasoline from a Fuel Container to the Generator
Place the upper intake hose into the fuel container and the lower outlet hose into the generator tank. Adjust the soft hose length as needed, then press the pump to transfer gasoline.
Why This Setup Works
Press-to-Pump Operation
No powered transfer system is required. Press the hand pump to start moving fuel through the hose path.
Short + Long Hose Included
The included hoses can be adjusted by length to support different placement needs between generator tanks and fuel containers.
Change Hose Length by Task
The adjustable part is the soft hose length. The upper intake and lower outlet direction stays fixed.
Visible Fuel Path
The transparent hose helps you see the transfer path during use.
How to Set It Up
Choose the Scenario
Decide where the fuel is coming from and where it needs to go.
Place Intake and Outlet
Put the upper intake hose into the fuel source and the lower outlet hose into the receiving tank or approved container. Adjust hose length as needed.
Press the Hand Pump
Press the pump to move gasoline through the hose path. Keep both hose ends secure during transfer.
Best For
Drain Generator Fuel
Remove gasoline from a generator tank before storage, maintenance, or transport preparation.
Fuel Container to Generator
Move gasoline from a fuel container into the generator tank while adjusting the soft hose length to fit the setup.
Cleaner Fuel Handling
Helps guide fuel transfer through hoses instead of lifting and pouring directly into small tank openings.
Fuel & Generator Safety
Gasoline is flammable. Use only in a safe, ventilated area and follow all generator and fuel-container instructions.
- Turn the generator off and let it cool before fuel transfer.
- Keep fuel away from flame, sparks, cigarettes, and hot surfaces.
- Use an approved fuel container for drained gasoline.
- Wipe spills immediately and let fumes clear before starting the generator.
FAQ
Which side is intake?
The upper end is the intake side. Fuel enters the pump through the upper hose.
Which side is outlet?
The lower end is the outlet side. Fuel exits from the lower hose into the receiving tank or approved fuel container.
Can the pump direction be changed?
No. The top-in, bottom-out direction stays fixed. Users can only adjust the soft hose length to fit the task.
How do I drain gasoline from a generator tank?
Place the upper intake hose into the generator fuel tank, direct the lower outlet hose into an approved fuel container, adjust the hose length as needed, then press the pump.
How do I transfer gasoline from a fuel container to a generator?
Place the upper intake hose into the fuel container and the lower outlet hose into the generator tank. Adjust the soft hose length as needed for the actual distance.

