The DeatschWerks DW400 in-tank fuel pump with the 9-1045 install kit fits the 2005-2010 Ford Mustang including Base GT Bullitt Shelby GT and Shelby GT500. The DW400 flows 415 LPH for high-horsepower and forced-induction builds and supports E85 and gasoline. The application-specific install kit includes the hose clamps wiring harness and filter needed for a direct in-tank fit.
Specifications
| Type | DW400 in-tank fuel pump w/ install kit |
| Series | DW400 |
| Flow | 415 LPH |
| Mounting | In-tank |
| Fuel | E85 and gasoline |
| Includes | 9-1045 application install kit |
| Fitment | Ford Mustang 2005-2010 |
| Part Number | 9-401-1045 |
Documents: Technical Bulletin (PDF) | Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2010 | Ford | Mustang | Base |
| 2008-2009 | Ford | Mustang | Bullitt |
| 2005-2010 | Ford | Mustang | GT |
| 2007-2008 | Ford | Mustang | Shelby GT |
| 2007-2010 | Ford | Mustang | Shelby GT500 |
| 2008-2009 | Ford | Mustang | Shelby GT500KR |
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
