The DeatschWerks DW400 is a 415 LPH in-tank fuel pump module engineered as a direct-fit replacement for the 2001-2005 Honda Civic and 2002-2006 Acura RSX. The complete module drops into the factory location and supports high-horsepower and E85 builds without modification. It delivers a large increase in fuel volume over the OE pump.
Specifications
| Type | In-tank fuel pump module (drop-in) |
| Series | DW400 |
| Flow | 415 LPH |
| Mounting | In-tank |
| Fitment | Honda Civic 2001-2005 / Acura RSX 2002-2006 |
| Part Number | 9-401-7040 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Base |
| 2002-2006 | Acura | RSX | Type-S |
| 2001-2005 | Honda | Civic | DX |
| 2001-2005 | Honda | Civic | EX |
| 2005 | Honda | Civic | EX Special Edition |
| 2001-2005 | Honda | Civic | GX |
| 2001-2005 | Honda | Civic | HX |
| 2003-2005 | Honda | Civic | Hybrid |
| 2001-2005 | Honda | Civic | LX |
| 2005 | Honda | Civic | LX Special Edition |
| 2002-2005 | Honda | Civic | Si |
| 2004-2005 | Honda | Civic | Value Package |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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