TI Automotive (Walbro) 350LPH External EFI Fuel Pump (GSL396)

Higher-Flow Replacement for the GSL392

The TI Automotive (Walbro) GSL396 (Cross Reference – EFP-706) is a 39mm externally mounted EFI fuel pump built for moderate-to-high power applications, flowing 350 LPH @ 3 Bar and supporting builds up to 650HP on 98 octane. It's a direct, higher-flow replacement for the popular GSL392, giving you extra headroom without changing your mounting setup.

Fitted with M10x1mm ports, this fuel pump delivers:

  • High flow output – 350 LPH @ 3 Bar
  • Low current draw – 10A @ 3 Bar
  • 112psi relief valve – built-in overpressure protection

Flow Chart & Pump Diagram

GSL396 Flow Chart

GSL396 Dimensional Drawing (PDF)

Technical Specifications

  • Common Names / Cross Reference: Walbro GSL396 (Replacement for GSL392) EFP-706
  • Flow Rate: 350 LPH @ 3 Bar
  • Horsepower Support: Up to 650HP (98 octane)
  • Fittings: M10x1mm (3/8″ barbs supplied)
  • Current Draw: 10A @ 3 Bar
  • Pump Body Diameter: 39mm
  • Mounting Type: Externally Mounted (In-Line)

Includes fitting kit. Should be run with an external 30 micron fuel filter.

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