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DeatschWerks 415LPH DW400 In-Tank Fuel Pump w/ 9-1046 Install Kit 11-14 Ford Mustang V6/GT (Part #dwk9-401-1046)

Your Fuel Pump Is Starving Your Build. Fix It.

You put a supercharger on your 5.0. Or a turbo kit. You are making big power. But the stock fuel pump? It was not designed for 600 horsepower. It cannot keep up. At high RPM, fuel pressure drops. The engine leans out. That is how you melt a piston.This is the DeatschWerks DW400 In-Tank Fuel Pump. Part #dwk9-401-1046. 415 liters per hour flow. Comes with the 9-1046 install kit.DW400 is the highest flowing in-tank pump on the market . 415 liters per hour at 40 psi . Supports up to 1000 horsepower on gasoline. 750 on E85 . Plug and play into your factory fuel bucket.

Why The DW400?

Because the DW400 is a 46mm diameter pump . Drops right into your factory fuel pump module. No cutting. No splicing. No custom fuel lines. It fits where the stock pump goes. Like it was made for your car. Because it was.

What Does The 9-1046 Install Kit Include?

Everything you need to make it work. The kit includes a new fuel sock, fuel hose, wiring harness, and clamps . Saves you the hassle of hunting down individual components .

Why DeatschWerks?

Because they are a highly-regarded company that offers top-notch electronic fuel injection (EFI) fuel system solutions . They handle everything from design and manufacturing to quality assurance, sales, and administration . With over 1000 different parts available, their comprehensive range of fuel system components can meet the needs of a broad range of applications .

Features & Benefits

  • 415 lph flow rate: Supports up to 1000 hp on gasoline, 750 hp on E85 .
  • 46mm diameter: Direct fit for your factory fuel pump module .
  • Compatible with E85, pump gas, and race fuels: Use whatever fuel you want .
  • In-tank design: More reliable, quieter, and simpler than external pumps .
  • Retains OE fuel system benefits: Excellent low fuel level pick-up, pump programmability via the OE pump controller, and retention of all OE fuel lines .
  • Universal fitment kit included: Fuel hose, clamps, electrical harness, and filter .
  • Designed for 2011-2014 Ford Mustang V6 and GT.

Vehicle Fitment

Exact fit for:
  • 2011, 2012, 2013, 2014 Ford Mustang V6 (3.7L)
  • 2011, 2012, 2013, 2014 Ford Mustang GT (5.0L Coyote)
Also fits:
  • 2009-2014 Ford F-150 (various engines) 
  • 2010-2014 Ford Raptor 
Not for sale or use in California. This item is not CARB approved .

What Is In The Box?

DW400 in-tank fuel pump. Install kit: fuel sock, fuel hose, wiring harness, clamps .

FAQ

What is the flow rate of the DW400?
415 liters per hour at 40 psi . Supports up to 1000 hp on gasoline, 750 hp on E85 .
Will this work with E85?
Yes. The DW400 is compatible with E85, pump gas, and race fuels .
What is the install kit?
The 9-1046 install kit includes a fuel sock, fuel hose, wiring harness, and clamps . Saves you the time and effort of having to source out all individual components for your install .
How hard is the install?
Most people finish it in under an hour . You will need to drop the fuel tank and open the fuel pump module. You may need to make a slight modification to the retaining clips .
Will this fit my 2014 F-150?
Yes. It fits 2009-2014 F-150 models . 

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