Walbro GST400, 440LPH, F90000262 Turbine Fuel Pump


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The Walbro F90000262 or 'GST400' fuel pump exceeds the famous Bosch '044' fuel pump for flow rate. Its also far quieter, lighter and of a much more compact design to make installation easier in-tank. This unit provides so much fuelling it can also remove the need for using a twin inline fuel pump setup.

The innovative design of the Walbro 'F90000262', 'GST400' or 'DCSS 39/50' features a single impeller with two parallel rows of turbine blades on a common shaft (like a jet engine). These blades feed two high-pressure pumping channels, as opposed to a conventional single-stage pump that uses an impeller with a single row of blades at its outer edge. This innovative design results in improved hot fuel flow, as well as minimal noise and current use, resulting in efficiency that’s 20% higher than conventional pumps.

Also included is an inlet filter that meets or exceeds original equipment specifications and provides improved filtration and durability.

440 LPH In OPEN FLOW At 13.5v - Small In-Tank Pump with Turbine Technology


  • Designed for engines with more than 500 HP+
  • Compact In-Tank Unit
  • HUGE 440 Litres Per Hour in open flow (L/PH)
  • Award-winning OE technology
  • High-pressure, high-flow performance
  • Requires modifications to wiring, fuel lines and fuel module - Professional installation recommended
  • Out-performs all current market in-tank fuel pumps
  • OD (large): 50mm
  • OD (small): 39mm
  • Length: 121mm
  • Electrical connections: Spade 1x 6mm, 1x 4mm
  • Flow rate: 400 LPH @ 40PSI @ 13.5 Volts
  • Package Contents:
  • Walbro F9000262 / GST400 in authentic packaging
  • Fuel Filter (fits onto pump inlet)

Our Walbro products are direct from the USA and are 100% genuine. Some Walbro products may have 'TI Automotive' imprinted on them, however don't be alarmed; Walbro is a brand owned by TI Automotive Group. 'TI Automotive brings the same level of innovation, quality and performance to its aftermarket products that it does for original-equipment product. That’s why the aftermarket industry’s leading brands turn to TI Automotive for the most complete offering of true, OE-quality fuel system replacement parts'

The Walbro GST400 is a simple drop-in install for many vehicles such as Nissan S13/S14 240sx, turbocharged 88-01 Honda's and Acuras, Mitsubishi Evo X and many more. GC and GD Subaru's can use this pump, although certain year STI's will want to remove the STI fuel filter (intank) + swap to WRX filter on firewall. Modifications may be required for certain vehicles due to the large 50mm base - Evo8/9 and 2006+ Honda's will require slight modification to the stock housing (we do not offer this currently). This pump uses the same plug as a traditional Walbro 255. An external FPR is strongly recommended.

This version of the Walbro 440LPH is not E85 / Flexi Fuel compatible. If you require the E85 Version please see here.

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