Skip to content

New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI

New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump is a 12-volt solenoid pump delivering 3-5 psi with 1/4-inch tubing, priced at $22.38. Ideal for marine engines, diesel trucks, generators and any low-pressure fuel system needing reliable, diaphragm-free flow in demanding environments.

$22.38

● In stock

Buy at Lab Work Auto →

Price and availability may change. Click to see current details on Lab Work Auto.

Key features

  • <strong>12-V solenoid operation</strong> — Generates pressure with brief electric pulses.
  • <strong>Diaphragm-free design</strong> — No rubber parts to wear out, ensuring long life.
  • <strong>Low pressure output</strong> — Provides 3-5 psi suitable for marine and diesel engines.
  • <strong>20-30 GPH flow</strong> — Sufficient fuel delivery for generators and small tractors.
  • <strong>1/4-inch tubing</strong> — Easy integration with standard fuel lines.
  • <strong>Compact dimensions</strong> — Measures 154 mm × 80 mm for simple mounting.

Pros

  • +Energy-efficient, draws only short pulses.
  • +Robust construction with no wear-out diaphragms.
  • +Easy installation with standard 1/4-inch fittings.
  • +Affordable price at $22.38.
!

Cons

  • Limited to low-pressure applications only.
  • Requires a 12-V DC power source.
  • No built-in pressure regulator.

About New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI

What is New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI?

This is a 12-volt universal electric fuel pump from Lab Work Auto, built around a solenoid-and-piston design that delivers a steady 3-5 PSI through standard 1/4-inch fuel line. It is intended as a low-pressure inline pump for carbureted engines, diesel priming, and as a modern replacement for tired mechanical pumps on a wide range of equipment.

Key features

  • Solenoid piston operation — An electromagnetic coil pulses a piston to generate flow, which keeps current draw low and avoids the constant-load behavior of motor-driven pumps.
  • 3-5 PSI output — Matched to the pressure window most carburetors and diesel lift applications expect, so it will not overwhelm a needle and seat.
  • 20-30 GPH flow rate — Enough volume to feed small to mid-size gas or diesel engines, generators, and riding tractors without starving under load.
  • No diaphragm or bellows — Free-flow internal path with no rubber wear parts, which translates to a longer service life than traditional diaphragm pumps.
  • 1/4-inch tubing fitment — Works with the most common fuel line size, so most installs need only basic hose clamps and a short run of line.
  • Compact 154 x 80 mm body — Two mounting nuts spaced 60 mm apart (7 mm diameter) make it easy to bolt down on a frame rail, firewall, or bulkhead.
  • 12V universal compatibility — Suited to marine, automotive, agricultural, and small-engine 12-volt electrical systems.

Who is New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI for?

This pump is aimed at DIY mechanics, boat owners, hot rodders, and small-equipment operators who need a dependable low-pressure feed for a carbureted engine, jeep, generator, riding mower, or diesel priming circuit. Installation is straightforward for anyone comfortable running fuel line and wiring a switched 12V source, making it a practical upgrade from a worn mechanical pump.

How does New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI compare?

Compared to mechanical cam-driven pumps, this electric unit primes instantly, mounts almost anywhere, and is not tied to engine RPM for delivery. Against high-pressure EFI pumps it is intentionally mild at 3-5 PSI, which is the right call for carburetors and diesel lift duty but not suitable for fuel-injected systems that require 30 PSI or more.

🎯

Best use cases

  • Marine outboard engines needing reliable fuel flow.
  • Diesel trucks for priming low-pressure fuel lines.
  • Portable generators in off-grid setups.
  • Small tractors and riding lawn mowers.
🛒

Is New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI right for you?

Buy this pump if you maintain marine vessels, diesel trucks, or generator sets that operate on low-pressure fuel systems. Installation is straightforward for DIY enthusiasts with basic wiring to a 12-V source and mounting using the provided nuts. For users needing higher pressure (above 5 psi) or gasoline-specific pumps, consider dedicated high-pressure models. At $22.38, it offers a cost-effective upgrade over aging mechanical pumps, delivering consistent flow without diaphragm wear.

How it compares: Compared with traditional mechanical diaphragm pumps, this solenoid unit eliminates moving rubber parts, reducing wear and maintenance. Unlike high-pressure electric pumps, it delivers only 3-5 psi, making it ideal for low-pressure diesel and marine applications while consuming less power than larger pumps.

More from Lab Work Auto

?

Frequently Asked Questions

What types of engines can use this pump?

The pump works with any low-pressure fuel system, including marine outboard engines, diesel truck engines, small generators, and tractors that require 3-5 psi flow. It replaces mechanical pumps in carbureted or fuel-injected setups where diaphragm-free operation is desired for reliable performance.

Does the pump require a separate power source?

Yes, it runs on a 12-volt DC supply, typically the vehicle’s battery or a dedicated power module. The solenoid draws only brief pulses, so the current draw is minimal and will not drain the battery under normal operating conditions during idle.

How does the pressure range affect performance?

The 3-5 psi output is ideal for low-pressure applications, providing enough flow to prime diesel engines without over-pressurizing the system. It maintains steady delivery even at varying engine speeds, ensuring consistent fuel supply during start-up and idle throughout operation of the cycle.

Is the pump compatible with gasoline engines?

While the pump is rated for diesel and low-pressure fuel lines, it can also handle gasoline in systems that operate below 5 psi. However, for high-performance gasoline engines that require higher pressure, a dedicated gasoline pump is recommended for optimal function.

Can the pump be installed in a DIY project?

Yes, the unit features a compact 154 mm length and 80 mm width housing with standard 1/4-inch tubing connections, making it straightforward to mount on a chassis or engine block. Basic wiring to a 12-V source and securing the nuts are all that’s required.

How much does New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI cost?

New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI is $22.38 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI in stock at Lab Work Auto?

Yes, New 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 tubing 3-5 PSI is currently in stock at Lab Work Auto.

Specifications

SKU
F8-010056
Last updated May 14, 2026