Due to COVID-19, TI Automotive's manufacturing facilities are working as Social Distancing Guidelines Allow . As a result, we are limited on our inventory..
We are still accepting orders and you are still welcome to place your order, however, please note, all orders will be placed on backorder on first come first serve bases, and will be shipped out as soon as product arrives.
- OUT OF STOCK - Available via backorder only
All SKUs containing:
TCD495 F90000295
5CA, GCA, GCL and TCA (i.e GCA308, 5CA400)
TU (Tank Unit Assembly)
FR Series (Marine and Industrial)
The following items are still in stock and ready to ship while supplies last.
HELLCAT F90000285 525LPH E85 Compatible - IN STOCK
TIA450-2 (F90000274) and TIA485-2 (F90000267) 450LPH E85 Compatible - IN STOCK
GSS340, GSS341, GSS342 (255LPH) - IN STOCK
Upgraded versions of GSS340, GSS341, GSS342 (255LPH)
GSS350G3 350LPH - IN STOCK
GSS351G3 350LPH - IN STOCK
GSS352G3 350LPH - IN STOCK
External In-Line Fuel Pump
GSL392 255LPH - IN STOCK
WALBRO GSL SERIES UNIVERSAL INLINE FUEL PUMPS

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.
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
A VARIETY OF INLET AND OUTLET FITTINGS AND INSTALL KITS ARE AVAILABLE, ALLOWING FOR MANY COMBINATIONS, AND UNIVERSAL COMPATIBILITY.
INLET AND OUTLET FITTINGS:
- 128-3012 - Bundy Fitting
- 128-3014 - 3/8 in Barb
- 128-3015 - 1/2 in Barb
- 128-3023 - 10mm Threaded Male
- 128-3024 - 5/16 in Barb
- 128-3025 - 12mm OD
- 128-3026 - 15mm OD
- 128-3027 - 12mm Banjo
- 128-3028 - 14mm DIN
- 128-3039 - AN6 Male
- 128-3040 - AN8 Male
- 128-3041 - 12mm Threaded Female
- 128-3042 - 14mm Banjo
- 128-3057 - 7/16 in Barb
- 128-3075 - 12mm Threaded Male
INSTALL KITS:
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