DeatschWerks

DeatschWerks 01-05 Honda Civic/02-06 Acura RSX DW400 Pump Module & Return Kit w/CPE Fuel Lines - 9-401-607-7040

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SKU:
DWK9-401-607-7040
UPC:
887753535993
MPN:
9-401-607-7040
Availability:
Regularly stocked product
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$1,049.00
Current Stock: 5

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Description

Will this fuel pump fit my 2008 Honda Civic Si?
Confirm specific vehicle fitment for your 2008 Honda Civic Si directly on our website before purchasing this high-performance fuel pump.

How difficult is the installation process?
Achieve seamless integration as this drop-in fuel pump is designed for a clean, straightforward installation in compatible vehicles.

The DW DW400 Fuel Pump delivers high-performance fuel system solutions engineered for maximum engine power, boasting a 9/10 score for Street Performance. Its robust internal components provide consistent fuel flow, ensuring optimal engine responsiveness for demanding applications. This DeatschWerks fuel pump is the foundation for a reliable, high-output fuel system.

What Owners Say

Owners and enthusiasts consistently mention the DW400 as a solid choice for high-horsepower E85 builds, with one owner reporting it fixed fuel pressure fluctuations and nearly eliminated the stumble issue common to their platform while delivering smoother acceleration. The pump is frequently recommended alongside options like the Walbro 450 for supporting forced induction setups targeting 500-550whp, with users noting both pumps are "pretty beefy" and reliable. Some experienced builders suggest upgrading power and ground wires when running constant speed to maximize performance. Overall, the DW400 has earned a strong reputation among the tuning community as a dependable fuel system upgrade for serious power goals.

Key Features

  • high-performance fuel system solutions
  • drop-in fitment fuel injectors
  • in-tank and in-line pumps
  • surge tanks
  • fuel rails
  • fuel filters

Why Choose the DW DW400 Fuel Pump w/Kit

Delivers consistent fuel flow for maximum engine power and responsiveness.

Achieves seamless integration with your existing fuel system for a clean install.

Provides the foundation for a robust and reliable high-performance fuel system.

Transforms your vehicle's fuel delivery for enhanced performance and reliability.

Who Is This For?

Street Performance — 9/10
High-performance fuel system solutions engineered for maximum power.

Track / Autocross — 8/10
High-performance fuel system solutions engineered for maximum power.

Drag Racing — 8/10
High-performance fuel system solutions engineered for maximum power.

Racing Competition — 8/10
High-performance fuel system solutions engineered for maximum power.

Engine Performance — 9/10
High-performance fuel system solutions engineered for maximum power.

Easy DIY Install — 7/10
Drop-in fitment for specific Acura and Honda models.

Frequently Asked Questions

Will the DeatschWerks DW400 fuel pump fit my 2003 Honda Civic Si?

Direct fitment is confirmed for your 2003 Honda Civic Si, ensuring seamless integration. This drop-in fuel pump is engineered specifically for your vehicle's fuel system, providing a reliable upgrade. Experience enhanced performance with confidence in its precise compatibility.

How difficult is the installation for the DW400 fuel pump kit?

Installation is straightforward due to its drop-in fitment design. This means it's engineered for easy integration with your existing fuel system for a clean install. Enthusiasts can achieve a robust fuel system upgrade with minimal hassle.

What kind of performance improvements can I expect from the DW400 fuel pump?

Expect significant engine performance gains, scoring a 9 out of 10 for 'Engine Performance' use cases. This high-performance fuel pump delivers consistent fuel flow for maximum engine power and responsiveness. Transform your vehicle's fuel delivery for enhanced driving dynamics.

What is the primary advantage of using DeatschWerks fuel pumps?

The primary advantage is delivering consistent fuel flow for maximum engine power and responsiveness. This high-performance fuel pump transforms your vehicle's fuel delivery for enhanced performance and reliability. Achieve a robust and reliable high-performance fuel system.

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:
9-401-607-7040
Proposition 65:
N
Case Lot Quantity:
1
Category:
Fuel Delivery>Fuel Pumps
Install Type:
Drop-In
Product Level:
Premium Performance
Street Performance:
9/10
Track / Autocross:
8/10
Drag Racing:
8/10
Racing Competition:
8/10
Engine Performance:
9/10
Easy DIY Install:
7/10
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