5 Best 12 Volt Fuel Transfer Pump for Quick and Reliable Transfers in 2024

Finding the Best 12 Volt Fuel Transfer Pump for Your Needs.

Siphoning gas or diesel can be a messy, time-consuming chore. Thankfully, 12 volt fuel transfer pumps offer a quick, efficient, and safe alternative. These portable pumps utilize your vehicle’s battery to effortlessly transfer fuel from storage tanks, containers, or even inoperable vehicles. But with a vast array of options available, selecting the best 12 volt fuel transfer pump for your specific needs can feel overwhelming. 

This guide will break down the top contenders, highlighting their features, pros, and cons to help you choose the perfect pump for your needs.

Best 12 Volt Fuel Transfer Pump in 2024

Here is a quick overview of my best transfer pump pick:

Feature	Fill-Rite FR4210H	Fill-Rite FR1210HA	Fill-Rite FR1204H	VEVOR	Lapplsp
Flow Rate (GPM)	20	15	15	10	15
Self-priming	Yes	Yes	Yes	Yes	Yes
Thermal Protection	Yes	Yes	Yes	Yes	Yes
Nozzle	Manual	Automatic Shutoff	N/A	Automatic Shutoff	Automatic Shutoff
Portable	Yes	Yes	Yes	Yes	Yes
Tank Capacity (Gallons)	48	35	48	48	48
Price	Check Price	Check Price	Check Price	Check Price	Check Price

1. Best 12 Volt Fuel Transfer Pump For Diesel: Fill-Rite 12v 20 Gpm Fuel Transfer Pump 

The Fill-Rite FR4210H is a powerful and reliable 12V DC fuel transfer pump designed for various applications. It’s ideal for transferring gasoline, diesel, kerosene, and biofuels (up to B20) from storage tanks to vehicles or equipment.

Features

• Heavy-duty cast iron construction: Withstands harsh outdoor environments and demanding use, ensuring long-lasting performance.
• 20 GPM flow rate: Quickly transfers fuel, minimizing downtime during refueling or transfer operations.
• Self-priming rotary vane technology: Eliminates manual priming, allowing for immediate operation and saving you time.
• Thermal overload protection: Keeps the motor safe from overheating during extended use, preventing damage and extending pump life.
• 180° rotating junction box: Facilitates easy installation and wiring, even in confined spaces.
• 34-inch telescoping suction pipe: Reaches deep into tanks, accommodating various container sizes and depths.
• Durable 1-inch discharge hose: Delivers fuel efficiently with minimal resistance.
• User-friendly manual nozzle: Provides comfortable control and easy shut-off.

Compatible With

• Gasoline
• Diesel
• Kerosene
• Ethanol blends (up to 15%)
• Methanol blends (up to 15%)
• Biodiesel (up to B20)

Pros

• Efficient: Transfers fuel quickly with a high flow rate.
• Durable: Built to last with robust construction.
• Versatile: Compatible with various fuel types.
• User-friendly: Easy to install and operate.
• Self-priming: Convenient and time-saving.
• Complete package: Includes everything needed for immediate use.

Cons

• Not suitable for pumping high viscosity fluids.
• 12V DC power source required.

2. Best Fuel Transfer Pump For The Money: Fill-Rite Fuel Transfer Pump 12V 

The Fill-Rite FR1210HA is a versatile 12V DC fuel transfer pump designed for efficient and safe fuel handling. This portable unit is ideal for various applications, from refueling vehicles and equipment in remote locations to managing off-grid operations.

Features

• Durable construction: Built with a rugged cast iron housing, the pump can withstand harsh environments and demanding use, ensuring long-lasting performance.
• Automatic shut-off nozzle: Simplifies fueling and prevents spills by automatically stopping the flow of fuel when the trigger is released.
• Self-priming rotary vane technology: Eliminates the need for manual priming, allowing for quick and effortless operation.
• Thermal overload protection: Protects the motor from overheating during extended use, preventing damage and extending pump life.
• Adjustable telescoping suction pipe: Extends up to 34 inches, reaching into deeper tanks for efficient fuel transfer.
• Removable junction box: Provides easy access for electrical wiring and installation, even in confined spaces, thanks to its 180-degree rotation.
• Long power cable: Offers flexible placement options with an 18-foot 12 GA power cable for connection to a 12V DC power source.

Compatible With

• Gasoline
• Diesel
• Kerosene
• Methanol blends (up to 15%)
• Biodiesel (up to B20)

Pros

• Delivers a consistent flow rate of 15 gallons per minute for faster fuel transfer.
• Withstands tough conditions and heavy use, ensuring a long service life.
• Automatic shut-off nozzle prevents spills, while the self-priming technology simplifies operation.
• Telescoping suction pipe and rotating junction box offer versatility for various applications.
• Compact design and complete kit make it ideal for mobile fueling needs.

Cons

• Not suitable for high viscosity fluids.
• Lower flow rate compared to higher-capacity pumps.

3. Fill-Rite Fr1204h Gasoline Fuel Transfer Pump 12v

The Fill-Rite FR1204H is a compact and portable 12V DC fuel transfer pump designed for on-the-go applications. Ideal for transferring gasoline, diesel, and other compatible fuels from storage tanks to vehicles or equipment.

Features

• Durable construction: Built with a rugged cast iron housing, the FR1204H can withstand demanding environments and harsh weather conditions.
• Powerful performance: Delivers a flow rate of up to 15 gallons per minute (GPM), ensuring efficient fuel transfer even for larger volumes.
• Self-priming: Eliminates the need for manual priming, saving time and effort when starting operation.
• Thermal overload protection: safeguards the motor from overheating during extended use, preventing damage and ensuring pump longevity.
• Adaptable suction: Designed for 12V battery power and bung mounting, making it suitable for transferring fuel from various containers, including tanks on trailers or trucks.

Compatible With

• Gasoline
• Diesel
• Kerosene
• Ethanol blends (up to 15%)

Pros

• Lightweight design and small footprint facilitate easy transportation and storage.
• Delivers a high flow rate for quick fuel transfer.
• Built to last with robust construction and thermal overload protection.
• Self-priming and easy installation features simplify operation.
• Handles various fuel types, making it suitable for diverse applications.

Cons

• “Pump only” model: Requires additional accessories like hoses and nozzles for complete operation.

4. Vevor Diesel Fuel Transfer Pump 12 Volt

Say goodbye to messy, time-consuming manual fuel transfers with the VEVOR Diesel Fuel Transfer Pump Kit. This portable powerhouse lets you efficiently refuel your vehicles and equipment, making life easier on the go.

Features

• Fast and Efficient: Featuring a high-speed motor with a flow rate of 10 gallons per minute, this pump can fill your tractor’s tank in a mere 43 seconds. It also boasts a 9.8 ft suction depth and 26.2 ft lift capability, making it perfect for various applications.
• Built to Last: Constructed with a combination of robust cast iron and aluminum alloy, this pump is built to withstand harsh outdoor conditions. It’s wear-resistant, corrosion-resistant, and delivers reliable fuel transfer for up to 30 minutes continuously.
• Hands-Free Refueling: Experience the convenience of automatic shut-off. Simply press and release the handle switch on the included automatic shut-off nozzle, and the pump stops automatically upon filling the tank. No more need for constant monitoring.
• Complete Kit: Everything you need for efficient refueling comes in one box. The kit includes the pump itself, a 13ft rubber outlet hose, a 6.6ft PVC inlet hose, and the automatic shut-off nozzle. The inlet hose even features a metal mesh filter to prevent impurities from entering the pump.
• Portable and Versatile: Weighing in as a lightweight solution, this pump can be easily transported and installed on various sized oil barrels and large horizontal tanks. This versatility makes it ideal for refueling vehicles and equipment anywhere, anytime.

Compatible With

• Diesel
• Kerosene
• Transformer Oil

Pros

• Fast and efficient fuel transfer: Saves time and effort during refueling.
• Durable construction: Built to last in tough outdoor environments.
• Automatic shut-off nozzle: Offers hands-free, safe, and convenient refueling.
• All-inclusive kit: Ready to use out of the box with everything you need.
• Portable and versatile: Suitable for various applications and locations.

Cons

• Not suitable for gasoline, machine oil, or other liquids.
• Limited continuous use of 30 minutes.

5. Lappplsp Portable Fuel Transfer Pumps 12v

This portable system combines a 48-gallon (180L) capacity fuel tank with a powerful 12V DC self-priming pump. The pump boasts a flow rate of up to 15 gallons per minute (GPM), allowing for quick and efficient fuel transfer. The package also includes a 13.1-foot delivery hose and an automatic fueling nozzle, making refueling effortless.

Features

• Powerful 12V DC self-priming pump: With a high flow rate of 15 GPM, the pump eliminates manual priming and expedites fuel transfer, saving you valuable time and effort.
• Spacious 48-gallon (180L) tank: This large capacity allows you to store a significant amount of fuel, ideal for extended use or refueling multiple vehicles or equipment.
• Integrated storage compartment: A convenient recess on the tank’s side provides dedicated storage for the pump, hoses, and other tools, keeping everything organized and readily accessible.
• Versatile power source: The 12V DC power connector allows you to power the pump using various vehicles, including cars, motorcycles, vans, and even ATVs, offering maximum flexibility.
• Multi-fuel compatibility: This system is suitable for transferring gasoline, diesel, and kerosene, offering a practical solution for diverse fueling needs.
• Automatic shut-off nozzle: The automatic fueling nozzle provides convenient one-handed operation and automatically shuts off when the tank is full, preventing spills and overfilling.

Compatible With

• Gasoline
• Diesel
• Kerosene
• Vehicles with compatible fueling ports (motorcycles, agricultural machinery, ATVs)

Pros

• Eliminates the need to lift heavy fuel containers, making refueling easier and less strenuous.
• The high flow rate pump ensures quick fuel transfer, minimizing downtime.
• Stores a significant amount of fuel, ideal for extended use or multiple refuels.
• The compact design and various power options make it suitable for a wide range of applications, both on-site and off-grid.
• The integrated storage compartment keeps everything organized and readily accessible.

Cons

• Not suitable for refueling passenger cars with small fuel ports.
• Requires a compatible 12V DC power source.

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Fuel Transfer Pump And Tank Replacement

Fuel transfer pump replacement is hard. But I will provide you the most easiest method: 

Step 1: Drain Fuel

Safely remove fuel from the old tank into a suitable container. Dispose of it responsibly.

Step 2: Disconnect

Disconnect hoses and electrical connections from the old pump. Remove mounting hardware and lift the old tank.

Step 3: Install Tank

Place the new tank securely using mounting hardware. Connect hoses, ensuring tight seals.

Step 4: Mount Pump

Attach the new pump to the tank or designated location with proper mounting hardware.

Step 5: Connect & Prime

Connect remaining hoses and electrical wires according to the pump’s instructions. Prime the pump if necessary.

Step 6: Test & Secure

Test for leaks and proper function. Secure all connections and hoses. Double-check for safety hazards.

Benefits Of Using A Fuel Transfer Pump

Here’s why they’re a smart choice:

• Ditch the messy siphoning and hand pumping. 
• These pumps move fuel quickly and easily, minimizing fatigue and mess.
• Pumps offer controlled transfer, reducing the risk of spills and fires.
• Many pumps handle different fuel types like diesel, gasoline, or kerosene.
• No more struggling with awkward angles or limited reach.
• Eliminate spills and drips with controlled pumping and automatic shut-off features in some models.

What Is The Purpose Of The Fuel Transfer Pump

A fuel transfer pump’s purpose is to efficiently move fuel from one container to another. It’s commonly used to transfer fuel from storage tanks to vehicles, generators, or other machinery. 

Failure Symptoms  Of A Bad Fuel Transfer Pump

Here are some common symptoms to watch out for:

• Engine hesitation or stalling
• Difficulty starting the engine
• Reduced engine power
• Surging or erratic engine operation
• Low fuel pressure
• Poor acceleration
• Engine misfires
• Increased fuel consumption
• Unusual noise from the fuel tank
• Difficulty maintaining a consistent speed
• Warning lights related to fuel system on the dashboard
• Fuel leaks around the transfer pump
• Engine cutting out at high speeds

Fuel Transfer Pump Wiring Diagram

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How Does A Fuel Transfer Tank Work?

Here’s how they function:

1. Storage

The primary function of a fuel transfer tank is to store fuel securely and portably. They come in various sizes and materials (e.g., plastic, metal) depending on fuel type, capacity needs, and regulations.

2. Transfer Methods

• Fuel transfer tanks don’t actively pump fuel themselves. Instead, they rely on various external methods to move the fuel:
• Gravity: In simple tanks, fuel flows out through a hose due to gravity, ideal for small transfers and diesel fuel.
• Electric pump: Some tanks have built-in electric pumps that utilize a power source (battery, AC) to transfer fuel more efficiently, especially for larger volumes or viscous fuels like gasoline.
• Hand pump: Manual pumps are attached to the tank and operated by hand, suitable for smaller quantities and remote locations.

How To Prime A Fuel Transfer Pump

Here’s a breakdown

1. Self-Priming Pumps

Simply connect the hoses and power source, and the pump will prime itself when turned on.

2. Non-Self-Priming Pumps

These pumps require manual priming to fill the pump housing and initiate the flow of fuel. Here’s the general process:

• Ensure the fuel transfer pump is turned off and disconnected from the power source.
• Locate the pump’s priming port or primer button.
• Open the fuel tank cap to allow air to escape during priming.
• If there is a primer button, press and hold it.
• If using a priming port, connect a hand pump or manually pump the primer until fuel flows through the system.
• Close the priming port or release the primer button once fuel is present.
• Reconnect the pump to the power source and turn it on to resume normal operation.

Types Of Fuel Pumps In Diesel Engine

There are three main types of fuel pumps used in diesel engines:

1. Rotary (Distributor) Pump

It uses a single rotating plunger to pressurize fuel for all cylinders. It is mechanically controlled and offers moderate injection pressure. Examples: Bosch VE pump, Lucas CAV pump.

2. Inline (Individual) Pump

This pump features individual plungers for each engine cylinder. Each plunger delivers fuel directly to its corresponding injector. Examples: Bosch VP30 pump, Cummins P7100 pump.

3. High-Pressure Common Rail (HPCR) Pump:

The most advanced and widely used type in modern diesel engines. Creates a high-pressure reservoir of fuel (common rail) shared by all injectors.

Does A Diesel Truck Have A Fuel Pump?

Yes, absolutely! Every diesel truck, regardless of make or model, has a fuel pump. It’s a crucial component that pressurizes fuel and delivers it to the engine for combustion. 

What Is A Diesel Transfer Pump?

A diesel transfer pump is a device specifically designed to move diesel fuel from one container to another. It’s like a powerful “muscle” for your fuel, used for refueling vehicles, generators, or equipment where fixed pumps aren’t available. Think of it as a portable gas station for diesel!

How Does A Diesel Mechanical Fuel Pump Work

Diesel mechanical pumps use a rotating cam to push plungers, pressurizing fuel and sending it to injectors. Each stroke delivers a precise amount, controlled by a governor for engine demands. It’s like a miniature heart, pumping lifeblood (fuel) for the engine’s power.

What Is a Diesel Fuel Transfer Pump?

A diesel fuel transfer pump is a device used to move diesel fuel from one container to another. They are commonly used in various applications, including:

• Refueling vehicles and equipment in remote locations where fixed fueling stations are unavailable.
• Transferring fuel from storage tanks to vehicles or machinery.
• Removing fuel from a vehicle or equipment for maintenance or repairs

What Is The Function Of Fuel Pump In Diesel Engine?

• Fuel Transfer: Moves diesel fuel from the tank to the engine.
• Pressurization: Builds pressure to ensure proper fuel injection.
• Supply Control: Regulates fuel flow to match engine demand.
• System Priming: Removes air from the fuel system.
• Efficiency: Enhances combustion by delivering fuel at the right pressure.

What Is The Function Of Transfer Pump?

• Moves fluids from one location to another
• Commonly used in various industries, including automotive, manufacturing, and agriculture
• Facilitates the transfer of liquids such as water, fuel, oil, or chemicals
• Enhances efficiency in processes involving fluid handling
• Available in various types and sizes.

What Is The Function Of Fuel Lift Pump In Diesel Engine?

• Supply Fuel to Injection Pump: The fuel lift pump delivers diesel from the fuel tank to the injection pump.
• Maintain Fuel Pressure: It ensures a constant and adequate fuel pressure for efficient injection.
• Primarily Mechanical: Often operated by engine-driven camshaft or timing gears.

What Is The Difference Between Lift Pump And Fuel Pump?

In diesel engines, both lift pumps and fuel pumps handle fuel, but play distinct roles.

• Lift pump: Transfers fuel from the tank to the high-pressure fuel pump. Often low-pressure, electric, and aims for consistent fuel flow.
• Fuel pump (high-pressure pump): Increases fuel pressure for injection into the engine. More powerful, often mechanically driven, and crucial for engine performance.

What Are The Benefits Of A Fuel Lift Pump?

• Boosts fuel pressure: Improves flow to the injection pump, especially for modified engines or low fuel levels.
• Reduces strain: Lessens wear on the main injection pump, extending its lifespan.
• Improves power: Can lead to increased horsepower and torque, especially in performance applications.
• Enhances fuel efficiency: Consistent fuel pressure can contribute to better fuel economy.
• Prevents air bubbles: Helps eliminate air from the fuel system, ensuring smooth engine operation.

What Is The Action Of A Lift Pump?

A lift pump’s action is like a straw sucking up liquid. It creates a low pressure in its chamber, allowing atmospheric pressure to push fuel from the tank and upwards to the engine. This initial “lift” helps deliver fuel to the main injection pump.

What Are The Disadvantages Of A Lift Pump?

• Limited pumping height: Lift pumps may struggle with lifting water to higher elevations.
• Energy consumption: Some lift pumps can be energy-intensive, leading to higher operational costs.
• Maintenance issues: Lift pumps may require regular maintenance to prevent clogs and ensure optimal performance.
• Noise: Some lift pumps can be noisy during operation.

How Do You Size An Electric Fuel Pump?

• Determine the engine’s fuel flow requirement in liters per hour (LPH) or gallons per hour (GPH)
• Consider the fuel pressure needed for the engine
• Choose a pump with a flow rate that meets the engine’s requirements at the specified pressure
• Ensure compatibility with the vehicle’s voltage and electrical system

What Are The Two Advantages Of A Force Pump Of A Lift Pump?

The two main advantages of a force pump over a lift pump are:

1. Higher Pressure Output

Force pumps utilize a piston or diaphragm mechanism to actively generate pressure.  It helps them to pump water to greater heights or distances compared to lift pumps.

2. Versatility in Applications

Due to their ability to create pressure, force pumps can handle thicker liquids or situations with higher resistance.

How To Choose A Fuel Pump?

Here are some key factors to consider when selecting a fuel pump:

1. Vehicle Compatibility

Ensure that the fuel pump is compatible with your specific make and model of vehicle.

2. Fuel Pressure

Check the fuel pressure specifications recommended by your vehicle’s manufacturer. The fuel pump you choose should be able to deliver the required pressure for your engine to operate efficiently.

3. Flow Rate

Consider the flow rate of the fuel pump, which is the amount of fuel it can deliver per unit of time. 

4. Fuel Type

Ensure that the fuel pump is designed to handle the type of fuel your vehicle uses (e.g., gasoline, diesel, E85). Some fuel pumps are specifically designed for certain fuel types.

5. Mounting Options

Check the mounting options and dimensions of the fuel pump. Make sure it fits into your vehicle’s fuel tank and that the mounting style matches your vehicle’s requirements.

6. Voltage Compatibility

Ensure that the fuel pump operates on the correct voltage for your vehicle’s electrical system. Most vehicles use a 12V electrical system, but some high-performance or specialty vehicles may have different voltage requirements.

7. Ease of Installation

Consider the ease of installation, especially if you plan to install the fuel pump yourself. Some fuel pumps come with installation kits, while others may require additional components.

FAQs

What type of pump would be best suited for fuel transfer use?

For small amounts of gasoline or diesel a hand pump or a small electric pump should suffice. For larger volumes of gasoline or diesel a self-priming centrifugal pump is a good option.

Which is better mechanical or electric fuel pump?

The choice between a mechanical and electric fuel pump depends on the specific application and preferences. Mechanical pumps are simple and reliable, while electric pumps offer more control and efficiency.

What is a high flow fuel pump?

A high flow fuel pump delivers a significantly greater amount of fuel per unit time compared to a standard pump. It’s often used in performance applications where engines require more fuel for increased power or modified components.

How to increase fuel flow?

Increasing fuel flow in a vehicle can be achieved by optimizing the fuel injection system, using performance fuel injectors, ensuring a clean fuel filter, and maintaining proper engine tuning for efficiency.

What is the PSI of a fuel pump?

The PSI (pounds per square inch) of a fuel pump typically falls within the range of 30 to 80 PSI. 

Conclusion 

Finding the Best 12 Volt Fuel Transfer Pump requires considering factors like flow rate, compatibility, and features. 

This guide explored top contenders, highlighting their strengths and potential drawbacks to empower you to choose the perfect pump for your specific needs. 

So, whether you prioritize speed, portability, or versatility, you’re well-equipped to make an informed decision.