Gas siphons are handy tools for transferring fuel from one container to another. You can use them to move gas from your car to a lawnmower or empty a tank before winter storage.
A quality gas siphon pump makes the job simple and safe. These devices replace the risky method of starting the flow with your mouth, which could lead to accidental ingestion of harmful fuel.
Siphon pumps come in different styles, including manual hand pumps and battery-operated automatic models. Your choice depends on how often you use it and the volume of fuel you need to transfer.
Manual pumps cost less and don’t need batteries. Automatic pumps work faster and require less effort.
When you shop for a gas siphon pump, make safety features your top priority. Choose pumps made from fuel-resistant materials with anti-static properties to prevent sparks.
Check the flow rate, hose length, and portability. A slow flow rate wastes time, while short hoses may not reach deep tanks.
We researched and tested the most popular gas siphon pumps to find models that combine safety, efficiency, and ease of use.
Best Gas Siphon Pumps
We tested and reviewed the top gas siphon pumps to help you find the right one. Our list includes options for different budgets and uses, from emergency fuel transfer to routine maintenance.
H-veenjor Gas Siphon Pump
This manual siphon pump delivers strong performance for transferring gas, diesel, and other liquids with little effort.
Pros
- Wider 15mm hoses allow for faster fuel transfer
- One-way valve prevents messy backflow
- Lightweight and portable design
Cons
- Metal clips can be tricky to secure properly
- Limited instructions included
- Not suitable for drinking water
We used the H-veenjor siphon pump to drain our lawnmower’s gas tank for winter storage. The larger 15mm hoses moved fuel much faster than standard models.
Setup was simple, though the instructions could be clearer. The arrow on the black bulb shows the flow direction.
After connecting the hoses with the metal clips, we placed one end in the gas tank and squeezed the bulb a few times. The gas started flowing right away with no leaks or backflow.
The build quality feels sturdy for the price. The PVC hoses are flexible but keep their shape.
We liked the hose clip that kept everything in place without spills. At just 290g, this pump is easy to store in a garage or vehicle for emergencies.
This tool reliably transfers various fluids when you need a simple, consistent solution.
BestCosy Electric Siphon Pump
This battery-powered siphon pump offers convenient fluid transfer with a good flow rate. You will need to buy batteries separately, and the construction feels lightweight.
Pros
- Battery-operated for portable use anywhere
- Versatile for multiple liquids (gas, diesel, water)
- Impressive 2.4 GPM flow rate
Cons
- Batteries not included (needs 2 D cells or 6 AAs)
- Plastic construction feels somewhat lightweight
- Hose connection can be challenging to secure
We tested the BestCosy Electric Siphon Pump and found it effective for its size. The battery-powered operation made it very convenient during our camping trip when we had to transfer fuel between containers.
Setting up the pump took only a few minutes, though attaching the hose to the main unit required patience. The pump handled gas, diesel, and water transfers with ease.
Its 24-inch discharge tube reached deep containers, and the 16-inch suction tube fit standard 3-5 gallon containers. The 2.4 gallons per minute flow rate made transfers quick.
We completed several transfers on one set of batteries. Although the plastic construction is not the most robust, the pump is lightweight and easy to store.
If you need an affordable solution for fluid transfer, this pump delivers good performance.
GasTapper Siphon Pro
The GasTapper Siphon Pro is a reliable, quick-flowing fuel transfer pump for moving gas, diesel, and other liquids.
Pros
- Fast flow rate of 3.5 gallons per minute
- Versatile for multiple liquids and uses
- Long 9-foot hose reaches deep tanks
Cons
- Can be tricky to use in vehicle gas tanks
- Pump requires several squeezes to start flow
- Brass tip can get caught in tight spaces
We used the GasTapper Siphon Pro to empty our lawn equipment for seasonal storage. The pump started after a few squeezes and drained a 5-gallon gas can quickly.
The 9-foot hose helped us reach deep tanks, and the brass weight made positioning easy. We also used it to drain water from a cooler, and it worked just as well.
The included pinch clamp allowed us to stop the flow without causing a mess. While using it on a car’s gas tank, we had to be careful with the brass tip to avoid it getting stuck.
The vinyl and rubber construction feels sturdy but not bulky. Cleanup is simple—just run water through after use.
This GasTapper is a good choice for anyone needing a versatile siphon for various liquids.
BOLCOWE Portable Fuel Transfer Pump
The BOLCOWE battery-powered siphon pump provides an efficient way to transfer fuel without electricity. It is ideal for outdoor use and emergencies.
Pros
- Battery operation gives flexibility when no power is available
- Compact 22-inch design makes it easy to transport
- Adjustable flow control prevents spills and leaks
Cons
- Requires batteries that aren’t included
- Not suitable for drinking water
- Plastic construction may not be as durable as metal options
We used this pump during a camping trip, and it worked well for transferring gas between containers. The 34-inch hose reached easily into our gas cans and vehicle tanks.
At 2.2 gallons per minute, it moved fuel faster than we expected from a battery-powered device. The dual power options let us use either 2 D-cell or 6 AA batteries, which was helpful when we were far from stores.
The flow control nozzle allowed us to adjust the speed and lock it in place, preventing overflows. The polypropylene plastic felt sturdy enough for regular use.
We liked how lightweight it was, making it easy to pack. After transferring gasoline and diesel, cleanup was simple with a quick rinse.
For transferring fuel without electricity, this portable pump is a solid choice.
KATUMO Gas Siphon Pump
This portable rubber siphon pump provides a safe way to transfer gas, oil, and other liquids without using your mouth.
Pros
- Durable rubber construction with transparent hoses for easy monitoring
- Includes helpful clips and retainer for hands-free operation
- Simple squeeze-bulb design eliminates dangerous mouth siphoning
Cons
- Requires an 11-inch height difference between containers
- Not suitable for food-grade liquids or salt water
- Flow rate is somewhat slow for larger transfers
We used the KATUMO siphon pump to drain our lawn mower’s gas tank for maintenance. The setup was easy—just connect the hoses to the pump bulb, making sure the black arrow points in the flow direction.
The transparent hoses let us see the liquid flow, which helped us avoid spills. The rubber bulb felt solid, and after a few squeezes, the gas began flowing automatically.
The metal clips kept everything secure, and we had no leaks during the transfer. The adjustable hose retainer let us position one end in the container while managing the other.
For small engines and home uses, this pump works well. The flow isn’t fast for large transfers, but it’s perfect for motorcycles, lawn equipment, and similar needs.
The pump’s portable size makes it easy to store in a garage or emergency kit.
Buying Guide
When you shop for a gas siphon pump, consider several key features. This guide will help you choose the best option for your needs.
Materials and Durability
Choose pumps made from high-quality materials. Gas-resistant rubber or plastic components last longer when exposed to fuel.
Metal parts should be non-sparking for safety.
Pump Type
There are three main types of gas siphon pumps:
- Manual hand pumps: Simple to use and require no power
- Battery-operated pumps: Faster but need charging
- Siphon-only tubes: Basic option with no mechanical parts
Flow Rate
Think about how quickly you want to transfer fuel. Flow rates are measured in gallons per minute.
| Pump Type | Typical Flow Rate |
|---|---|
| Manual | 1-3 gallons/minute |
| Battery-operated | 2-5 gallons/minute |
| Siphon tube | 0.5-2 gallons/minute |
Hose Length
Longer hoses offer more flexibility but may reduce flow rate. We recommend at least 5 feet for most uses, but your needs may differ.
Safety Features
Safety is crucial when handling fuel. Look for:
- Automatic shut-off valves
- Spark-proof parts
- Secure connections to prevent leaks
Ease of Use
Consider how the pump operates. Some pumps need more effort than others.
Self-priming pumps start the siphon process automatically.
Portability
If you use the pump in different locations, weight and size matter. Many models include storage cases or bags for easy transport.
Frequently Asked Questions
Gas siphon pumps offer different features, safety levels, and uses. Here are answers to common questions to help you choose the right siphon pump.
What features should I look for in a high-quality gas siphon pump?
A high-quality gas siphon pump uses durable materials that resist fuel corrosion. Choose pumps with brass or aluminum components instead of plastic parts.
Look for pumps with anti-static hoses to prevent sparking. This feature is important for safety when handling flammable liquids.
Select models with built-in filters to keep debris out of your fuel transfer. Good seals and connections help prevent leaks and keep suction strong.
Which gas siphon pump model works best for transferring diesel fuel efficiently?
The TERA PUMP TRFA01 and Koehler Enterprises KE10026 transfer diesel fuel efficiently. These models use fuel-resistant components made for diesel’s thickness.
Heavy-duty brass pumps like the Gastapper Gasoline Transfer Pump also work well with diesel. They move thicker fuel without clogging.
Pumps with 6-8 GPM (gallons per minute) flow rates offer a good balance of speed and control for diesel.
Are there significant differences between manual and electric gas siphon pumps in terms of performance?
Electric pumps transfer fuel 3-4 times faster than manual pumps. Most electric models move 2-10 gallons per minute, while manual pumps average 1-3 GPM.
Manual pumps need physical effort but do not require batteries or electricity. This makes them useful in emergencies or remote areas.
Electric pumps keep a steady flow regardless of user fatigue. They need a power source and usually cost more than manual pumps.
What diameter hose is optimal for siphon pumps intended for gasoline transfer?
For gasoline, 5/8-inch to 3/4-inch hoses provide the best flow rates. This size offers a good mix of speed, control, and ease of use.
Smaller hoses (1/4-inch to 1/2-inch) work for small transfers but take longer. They help with precise work or small containers.
Larger hoses (1-inch or more) move fuel quickly but can be hard to handle and may not fit some tank openings. These are best for industrial use.
How do I choose the best gas siphon pump for use with a car?
For cars, choose compact siphon pumps that fit through small fuel door openings. Models like the Siphon Pro XL or Terapump TRFA01 work with most vehicles.
Check the space between your fuel door and tank opening. Many newer cars use anti-theft features that need smaller tubes.
Battery-operated pumps are convenient for occasional use. For frequent transfers, select a manual pump with a flexible, slim intake tube that can reach around tank baffles.
What safety measures should be considered when using a gas siphon pump?
Use siphon pumps only in well-ventilated areas. Keep them away from ignition sources because fuel vapors can ignite easily.
Wear fuel-resistant gloves and eye protection. Fuel splashes can harm your eyes and skin.
Keep a fire extinguisher rated for gasoline fires nearby. After using the pump, drain all fuel from the hoses and pump mechanism before storing it to prevent leaks and vapor buildup.