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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