DeatschWerks

DeatschWerks 01-05 Honda Civic/02-06 Acura RSX DW400 Pump Module - 9-401-7040

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SKU:
DWK9-401-7040
UPC:
887753535948
MPN:
9-401-7040
Availability:
Regularly stocked product
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$539.00
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Description

What vehicles is the DW400 fuel pump compatible with?
The DW DW400 fuel pump offers direct drop-in fitment for many Acura RSX and Honda Civic models; always confirm specific vehicle compatibility.

What is the flow rate of the DW400 fuel pump?
Delivering unparalleled performance, the DW DW400 was the highest flowing in-tank fuel pump of its time, maximizing engine power.

The DW DW400 fuel pump provides the highest flowing in-tank solution for demanding track and drag racing applications, scoring a 9/9. Featuring a direct drop-in fitment, this high-performance fuel pump ensures seamless integration. Trust DeatschWerks for the ultimate fuel delivery for your modified vehicle.

What Owners Say

Owners and enthusiasts frequently recommend the DW400 as a solid fueling solution for E85 conversions and higher horsepower builds in the 500-650whp range. The pump has proven effective at eliminating fuel pressure fluctuations and reducing the infamous acceleration stumble many turbocharged cars experience. Some users note the DW400 can be controversial, with scattered reports of Deatschwerks pumps failing, though many attribute this to pumps being consistently pushed at maximum duty cycle rather than inherent design flaws. Tuners have mixed opinions, so it's worth confirming your specific tuner will work with it. Overall, the DW400 maintains a respected position among performance fuel pump options for enthusiasts pursuing serious power gains on pump gas or ethanol.

Key Features

  • high-performance fuel system solutions
  • high flow drop-in fitment fuel injectors
  • highest flowing in-tank fuel pump of its time
  • wide range of innovative fuel system components
  • in-tank and in-line pumps
  • fuel rails, fuel filters, pressure regulators, and fuel-specific lines, fittings, and adaptors

Why Choose the DW DW400 Fuel Pumps

Delivers the ultimate fuel flow for maximum engine power and responsiveness.

Achieves seamless integration with a direct drop-in fit for your RSX or Civic.

Provides a complete, high-performance fuel system for your modified vehicle.

Transforms your engine's potential with reliable, high-volume fuel delivery.

Who Is This For?

Track / Autocross — 9/10
High flow pump for demanding track conditions.

Drag Racing — 9/10
Highest flowing pump for maximum power delivery.

Street Performance — 8/10
Premium performance fuel pump for enhanced street driving.

Racing Competition — 9/10
Designed for high-performance racing applications.

Engine Performance — 9/10
Supports high-performance fuel system solutions.

Easy DIY Install — 7/10
Drop-in fitment simplifies installation process.

Frequently Asked Questions

How does the DeatschWerks DW400 fuel pump enhance engine performance?

The DW400 fuel pump delivers unparalleled fuel flow for maximum engine power and responsiveness. Achieving a score of 9 for Engine Performance, this component supports high-performance fuel system solutions and transforms your engine's potential with reliable, high-volume fuel delivery. This ensures your modified vehicle receives the fuel it needs for peak output.

Can I easily install the DW DW400 fuel pump in my vehicle?

Installation of the DW400 fuel pump is simplified by its drop-in fitment design. With an 'Easy DIY Install' score of 7, this feature ensures seamless integration, allowing for a straightforward upgrade process. You can confidently install this high-performance pump to enhance your vehicle's fuel system.

Is upgrading to the DW DW400 fuel pump beneficial for performance driving?

Upgrading to the DW400 fuel pump is highly beneficial for performance driving, offering a significant increase in fuel delivery capacity. Its technical advantage lies in providing the highest flowing in-tank fuel pump of its time, enabling unparalleled performance for racing competition. This ensures your vehicle is optimally fueled for demanding conditions.

What vehicles are compatible with the DeatschWerks DW400 fuel pump?

The DW400 fuel pump is best for performance enthusiasts seeking enhanced fuel delivery in compatible Acura RSX and Honda Civic models. Confirm fitment with your vehicle to ensure this high-performance fuel pump integrates seamlessly. This direct drop-in fitment provides confidence for your modified vehicle.

What is the recommended usage for the DeatschWerks DW400 fuel pump?

The DW400 fuel pump excels in high-demand scenarios like Track/Autocross and Drag Racing, earning a score of 9 in both use cases. This pump's superior flow makes it ideal for racing competition and any application demanding maximum power delivery. It represents a peak in in-tank fuel pump technology for performance vehicles.

Additional Resources

Official DeatschWerks Product Page

Installation Guide (PDF)

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
9-401-7040
Proposition 65:
N
Case Lot Quantity:
1
Category:
Fuel Delivery>Fuel Pumps
Install Type:
Drop-In
Product Level:
Premium Performance
Track / Autocross:
9/10
Drag Racing:
9/10
Street Performance:
8/10
Racing Competition:
9/10
Engine Performance:
9/10
Easy DIY Install:
7/10
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