DeatschWerks X3 fuel pump module for the 1998-2004 Ford Mustang, including GT, Mach 1, GT Bullitt and SVT Cobra. The module houses dual DW430C compact fuel pumps (430 LPH each) in the factory fuel tank for a high-capacity in-tank solution, and ships with the plumbing and install kit needed to fit it. Built to support high-horsepower forced-induction and E85 builds.
Specifications
| Type | X3 in-tank fuel pump module with install kit |
| Pumps | Dual DW430C compact pumps (430 LPH each) |
| Fuel Compatibility | Gasoline and E85 |
| Included | X3 module, dual DW430C pumps, plumbing and install kit |
| Part Number | 9-437-7034 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2004 | Ford | Mustang | Base |
| 1998-2004 | Ford | Mustang | GT |
| 2001 | Ford | Mustang | GT Bullitt |
| 2003-2004 | Ford | Mustang | Mach 1 |
| 1998-1999,2001,2003-2004 | Ford | Mustang | SVT Cobra |
| 2003 | Ford | Mustang | SVT Cobra 10th Anniversary |
| 2000 | Ford | Mustang | SVT Cobra R |
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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