WALBRO GSL SERIES UNIVERSAL INLINE FUEL PUMPS

Walbro GSL Series Inline Fuel Pumps GSL392

CHOOSE FROM FIVE GSL INLINE PUMP MODELS:

Part #	Rated Flow*	Typical PSI	Max PSI	Max HP (NA)*	Max HP (Boosted)*	Applications/Notes
GSL392	255 LPH	43.5 psi	87 psi	670 HP	540 HP	Great choice for Carb to EFI conversion (Including GM LSx)
GSL394	190 LPH	43.5 psi	87 psi	500 HP	400 HP	Great choice for Carb to EFI conversion (Including GM LSx)
GSL391	190 LPH	43.5 psi	50 psi	500 HP	400 HP
GSL393	155 LPH	43.5 psi	50 psi	405 HP	330 HP
GSL395	130 LPH	15 psi	20 psi	340 HP	280 HP	Low Pressure: GM TBI Engines, Carbureted engines w/return-style regulator

*at typical PSI. Pressure is set by the regulator--not the pump. Flow will decrease somewhat as flow increases. See chart provided for each pump.

Walbro GSL392 Inline Fuel Pump 255LPH HIGH PRESSURE (universal external pump)

Walbro Part Number: GSL392
Type: Universal Inline Fuel Pump - External
Fuel: Gas
Horsepower: 670HP (NA)
Flow Rate: 255LPH High Pressure
Caution: Extremely High Counterfeit Rate - Buy from an Authorized Dealer Only

$98.99
Walbro GSL391 Inline Fuel Pump 190LPH Standard Pressure (universal external pump)

Walbro Part Number: GSL391
Type: Universal Inline Fuel Pump - External
Fuel: Gas
Horsepower: up to 500HP (NA)
Flow Rate: 190LPH

$108.08
Walbro GSL394 Inline Fuel Pump 190LPH High Pressure (universal external pump)

Walbro Part Number: GSL394
Type: Universal Inline Fuel Pump - External
Fuel: Gas
Horsepower: up to 500 HP (NA)
Flow Rate: 190LPH

$106.73
Walbro GSL395 Inline Fuel Pump 130LPH Low Pressure / TBI (universal external pump)

Walbro Part Number: GSL395
Type: Universal Inline Fuel Pump - External
Fuel: Gas
Horsepower: up to 340 HP (NA)
Flow Rate: 130LPH

$108.08
Walbro GSL393 Inline Fuel Pump 155LPH (universal external pump)

Walbro Part Number: GSL393
Type: Universal Inline Fuel Pump - External
Fuel: Gas
Horsepower: up to 405 HP (NA)
Flow Rate: 155LPH

$105.38

WALBRO GEROTOR ELECTRIC FUEL PUMP IN-LINE DESIGN

All GSL pumps have the same exact dimensions and threading.
The differences in these pumps are in Flow Pressure in PSI and Volume (LPH Liters Per Hour).
GSL series inline fuel pumps range from 115LPH, to 255LPH High Pressure and can be mounted external of the fuel tank.

WALBRO INLINE FUEL PUMPS ARE IDEAL FUEL PUMP REPLACEMENTS AND UPGRADES FOR:

Vehicles with faulty inline fuel pumps.
Vehicles with expensive or hard to replace in-tank fuel pumps.
Vehicles with stock OEM replacement.
Vehicles used for racing or performance purposes where higher pressure fuel is necessary, such as GSL392 at 255LPH
Universal and custom built fuel systems.

If you are looking to replace your vehicles OE stock fuel pump, you may want to look at the GCL fuel pumps series.
Fuel Pump Cross Reference Guide provided will make it simple to look up interchangeable part numbers.

If you are looking for a upgrade fuel pump intended for turbocharged, supercharged engines. You should consider using a Walbro 255LPH high pressure pump. One of the most famous and widely of Walbro's universal external pumps is the GSL392 255LPH High Pressure fuel pump. The GSL392 has been extensively used for High performance and Racing applications, and is the most popular universal external pump.

Mechanical Specifications

Weight:17.4oz
Outside materials:Aluminum
Terminals (inlet):6/32 threaded brass studs
Inlet Fitting: M 10x1 internal threads
Outlet Fitting: M 10x1 internal threads

Environmental Characteristics

Temperature range: Fluid: -40°C to 65°C (-40°F to 150°F)
Vibration:9 G’s @ 10-55 Hz for 6 hours
Shock:25 G’s
Contamination:8 grams per 100 gallons, 80 micron dust contaminate
Corrosion resistance:96 hour salt spray per ASTM B117
Safe Dry Operation:5 minutes typical
mounting:In tank or inline (external)

Inline fuel pump specs:
- OE-proven second generation.
- Fits most EFI applications including turbo and supercharged.
- Variety of pressures and flows available, including high pressure performance.
- All metal shell including inlet and outlet.
- 10mm x 1mm threaded inlet and outlet accept a variety of fittings.
- The 400-939 kit include two standard universal fittings which can connect to any 5/16 inch hose.
- Lightweight, compact design.
- QS9000 certified.

Filter
Per customer needs:Specified by application