Walbro GSL392 Fuel Pump with Fitting Kit


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Walbro GSL392 In-line 300 Litres Per Hour Fuel Pump + Authentic Fitting Kit

The GSL392 is a high pressure fuel pump that's capable of supporting applications of up to 650BHP where higher fuel pressure is necessary. These pumps are extremely popular upgrades for vehicles with engine & performance modifications but also make a perfect OEM replacement for externally mounted stock pumps in all aspects of cars.

External fuel pumps are usually mounted outside of the fuel tank and sometimes alongside another in-line fuel pump on higher performance applications. They can also be used as a booster for an existing in-tank fuel pump. This pump is capable of pushing fuel to your engine at a whopping 300 litres per hour! Giving your car the juice it needs to achieve its maximum performance.

In-line pumps can operate at a much higher pressure than an in-tank pump so this is a must have if you're building a high performance machine. Don't forget however as said before, that this pump can also be used in daily drivers as an excellent upgrade to replace those tired OEM pumps!

Please note this pump is for EFI use only (electronic fuel injection) including turbo & supercharged applications.


  • Flow rate: 300 Litres Per Hour+ (in open flow)
  • Rated up to 650hp
  • Minimum Voltage: 12V
  • M10 x 1.0mm inlet thread
  • M10 x 1.0mm outlet thread
  • Operating Pressure: 35-100psi
  • QS9000 certified
  • Lightweight, compact design
  • Externally mounted
  • Made in the USA
  • Two year manufacturers warranty

Kit Contents

  • 1x Walbro GSL392 high pressure genuine fuel pump (300LPH)
  • 1x Insulating sleeve for vibration protection / noise reduction
  • 1x Walbro installation guide (ENG, FRA, ESP)
  • 1x M10 x 1.0mm threaded push-on fitting for 8mm fuel hose
  • 1x M10 x 1.0mm threaded push-on fitting for 12mm fuel hose
  • 1x M10 x 1.0mm threaded 12mm banjo fitting
  • 1x M10 x 1.0mm thread barbed push-on fitting for 10mm fuel hose
  • 2x Pump Mounting Clamps
  • 4x Brass washers (2 for inlet, 2 for outlet)
  • 2x Wire terminals
  • 2x Terminal nuts
  • 2x Star washers for terminal nuts

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