Walbro 400lph 39/50 DC/SS Pump/Kit Package Walbro WAL TIA400-2
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Walbro 400lph 39/50 DC/SS Pump/Kit Package

Walbro
WAL TIA400-2
TIA400-2
Fuel Pumps
8 Units In Stock - Ships Next Business Day
$ 197.99
$ 197.99

SKU: TIA400-2

Walbro 400lph 39/50 DC/SS Pump/Kit Package for 2002-2014 Subaru WRX STI

The Walbro 400lph 39/50 DC/SS Pump/Kit Package delivers high-flow fuel for 2002-2014 Subaru Impreza WRX STI and select models with turbocharged 2.0L or 2.5L engines. This in-tank assembly supports larger turbos injectors and boost levels up to 600+ wheel horsepower with 400LPH free flow and 312LPH at 43 PSI. Direct installation into the factory saddle tank ensures reliable performance for street and track use.

Key Features

  • 400 LPH Flow Rate: Supplies 400 liters per hour free flow with 312 LPH at 43 PSI to power engines exceeding 600 wheel horsepower
  • Dual Circuit Design: Works with return-style and returnless fuel systems for compatibility across modified Subaru setups
  • Stainless Steel Internals: Resists corrosion from E85 race gas and ethanol blends for long-term durability
  • Complete Installation Kit: Contains pump pre-filter sock wiring harness O-rings hose clamps and hardware for straightforward plug-and-play assembly
  • Quiet Efficient Operation: Turbine impeller provides steady pressure under load with minimal noise

Product Notes

  • Pair with adjustable fuel pressure regulator for precise boost and power management
  • Inspect tank for debris during install to promote extended pump life
  • Packaged to arrive damage-free with all components intact

Installation Notes

  • Professional installation recommended.
  • Relieve system pressure and drop fuel tank to access pump assembly
  • Compatible with OEM wiring connector and mounting bracket

This Part Fits

Year Make Model Submodel
2002-2005 Subaru Impreza WRX Base/Sedan/Wagon 2.0L Turbo
2006-2007 Subaru Impreza WRX Limited/TR/Sedan/Wagon 2.5L Turbo
2004-2007 Subaru Impreza STI Hatchback/Sedan 2.5L Turbo
2008-2014 Subaru Impreza STI Hatchback/Sedan 2.5L Turbo
2005-2009 Subaru Legacy GT 2.5L Turbo

Why Choose Walbro?

  • Backed by decades of fuel system expertise in OEM and aftermarket
  • Used in professional racing teams for reliable high-demand performance
  • Precision-engineered turbine technology for consistent fuel delivery

Frequently Asked Questions

  • Q: Does this pump fit 2006 STI models?
    A: Yes it drops directly into 2004-2014 STI factory tank with matching OEM hanger assembly
  • Q: Can it handle E85 fuel?
    A: Yes stainless steel components and materials are fully compatible with E85 and methanol blends
  • Q: What supporting mods are needed?
    A: Works best with larger injectors adjustable FPR and tune. Supports stock systems up to moderate boost

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Compact box measures 10 x 6 x 6 inches
  • Weight: 2.2 lbs

Request For Information

Have questions about Walbro 400lph 39/50 DC/SS Pump/Kit Package? Fill out the form below and we'll get back to you by the next business day.
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