DeatschWerks DW400 fuel pump module with DW430c regulator for 2001-2005 Honda Civic returnless fuel system
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DeatschWerks 01-05 Honda Civic DW400 Performance Module w/ DW430c - Returnless

DeatschWerks
DWK9-437-7240
887753546104
Fuel Pumps
12 Units In Stock - Ships Next Business Day
$ 373.15
$ 373.15

SKU: 9-437-7240 / UPC: 887753546104


DeatschWerks DW400 Fuel Pump Module with DW430c Regulator for 2001–2005 Honda Civic (Returnless)

Upgrade the fuel system in your 2001–2005 Honda Civic with the DeatschWerks 9-437-7240 complete fuel pump module. This drop-in assembly combines the high-flow DW400 fuel pump with the DW430c adjustable fuel pressure regulator in a returnless setup, giving you reliable fuel delivery for both stock and high-performance builds. Whether you're running a turbocharged setup or simply want better fuel system reliability, this module provides the flow and pressure control needed for safe, consistent performance.

Key Features

  • High-Flow DW400 Fuel Pump – Supports up to 500+ horsepower depending on fuel type and boost level
  • DW430c Adjustable Regulator – Maintains stable fuel pressure in returnless systems for better drivability and performance
  • Direct Drop-In Design – Complete module replaces the factory unit with minimal modifications required
  • Returnless System Compatible – Specifically designed for the factory returnless fuel system on 7th generation Civics
  • Performance Ready – Ideal for turbocharged, supercharged, or high-compression engine builds
  • Complete Assembly – Includes pump, regulator, and all necessary hardware for easier installation

Specifications

Detail Value
Brand DeatschWerks
Type Complete Fuel Pump Module (Returnless)
Pump Model DW400
Regulator Model DW430c
System Type Returnless
Supported Horsepower Up to 500+ HP (depending on fuel and supporting modifications)
Fitment 2001–2005 Honda Civic
Country of Origin United States
Warranty DeatschWerks Limited Warranty

Whats Included

  • Complete DW400 Fuel Pump Module Assembly
  • DW430c Fuel Pressure Regulator
  • All Necessary Hardware and Gaskets

Product Notes

  • Designed specifically for returnless fuel systems on 2001–2005 Honda Civics
  • Professional installation and proper tuning are strongly recommended for boosted applications
  • Compatible with E85 when used with appropriate supporting modifications and tuning

This Part Fits

Year Range Make Model Notes
2001–2005 Honda Civic (All trims) Returnless fuel system models only

Why Choose DeatschWerks?

  • Specializes in high-performance fuel system components for Honda and import vehicles
  • Known for reliable, flow-tested pumps and regulators used in many performance builds
  • Designed and engineered in the USA
  • Popular choice among Civic and Integra performance enthusiasts

Frequently Asked Questions

  • Q: Will this support my turbocharged 2004 Honda Civic?
  • A: Yes. The DW400 pump combined with the DW430c regulator is a popular and reliable choice for boosted 7th generation Civics.
  • Q: Is this a return or returnless fuel system?
  • A: This module is designed for returnless fuel systems, which is the factory setup on 2001–2005 Civics.
  • Q: How much horsepower can this support?
  • A: The DW400 pump can support 500+ horsepower depending on fuel type (pump gas vs E85), boost level, and supporting modifications such as injectors and tuning.
  • Q: Do I need to upgrade my fuel injectors?
  • A: In most high-horsepower applications, yes. Larger injectors are typically required along with proper engine tuning.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Secure DeatschWerks retail packaging

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