Searching for a Walbro Fuel Pump?

The Walbro 255 Fuel Pump, often referred to as GSS342, is one of the best selling fuel pumps for the Evo X, Evo 8/9, Subaru, and Honda platforms. For generations, the universal Walbro 255LPH Fuel pump has been the go-to fuel pump for direct injection, high-horsepower vehicles. It's durability and power have made it a reliable option for drag racing, road racing, and many other race applications.

Walbro stands behind their fuel pumps, offering a one year warranty against manufacturing defects on both high pressure in-tank, and external high performance fuel pumps. Walbro also offers a industry leading 90 day warrany on their bellows pumps and Series 6000 pumps.

For questions regarding the Walbro 255LPH, or any other Walbro external fuel pump or fuel injection components, feel free to contact us or check out our helpful list of Walbro FAQ links below! It is our goal to get your confusion sorted out and get you back on the road in no time!

Browse our top selling Walbro 255 Fuel Pumps!


Walbro Frequently Asked Questions


What makes Walbro better than the others?

For starters, all Walbro fuel pumps are manufactured right here in the United States, so you're supporting the local economy. Secondly, Walbro has produced over 20 million OEM style fuel pumps for many automakers, so you could say they have plenty of experience with fuel pumps and fuel injection components. Better yet, each Walbro fuel pump is engineered using the best in computer-aided-design technologies, and tested for durability under a variety of conditions before shipment. This quality control proceedure ensures each pump will stand up to real-world abuse.

What is the difference between the different Walbro Fuel Pumps?

Walbro offers two different flowing pumps, 190lph and 255lph, each allowing different pressure capabilities in low and high pressure. Each of these four variants come with "flipped" inlets, allowing for a wide assortment of vehicle applications. Using the following chart, find the appropriate Walbro Fuel Pump for your needs:

  • Walbro 190lph
    1. GSS250
    2. GSS278 (flipped)
  • Walbro 190lph-High Pressure
    1. F20000141
    2. Flipped N/A
  • Walbro 255lph
    1. GSS317
    2. GSS315 (flipped)
  • Walbro 255lph-High Pressure
    1. GSS342
    2. GSS341 (flipped)

At 80 PSI, the standard 255 lph pump will flow around 132 liters per hour. At that same 80 PSI the high pressure fuel pump will flow over 210 liters per hour. Each vehicle requires difference amounts of fuel. Please contact us if you need assistance finding the right Walbro Fuel pump for your car, in either High or Standard Pressures.