The DeatschWerks DW400 module is a drop-in 415 LPH in-tank fuel pump assembly for 2005-2009 GMT900 GM trucks. It is a direct-fit module that mounts in the factory location and supports high-output and boosted builds that outrun the stock pump on the Silverado and Sierra.
Specifications
| Type | In-tank fuel pump module (DW400) |
| Flow | 415 LPH |
| Mounting | In-tank module |
| Includes | Complete drop-in module |
| Fitment | Chevrolet Silverado / GMC Sierra 2005-2009 |
| Part Number | 9-401-7012 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005 | Chevrolet | Silverado 1500 | Base |
| 2005-2006,2009 | Chevrolet | Silverado 1500 | Hybrid |
| 2005-2009 | Chevrolet | Silverado 1500 | LS |
| 2005-2009 | Chevrolet | Silverado 1500 | LT |
| 2007-2009 | Chevrolet | Silverado 1500 | LTZ |
| 2005-2006 | Chevrolet | Silverado 1500 | SS |
| 2005-2009 | Chevrolet | Silverado 1500 | WT |
| 2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2005 | Chevrolet | Silverado 3500 | Base |
| 2005-2006 | Chevrolet | Silverado 3500 | LS |
| 2005-2006 | Chevrolet | Silverado 3500 | LT |
| 2006 | Chevrolet | Silverado 3500 | WT |
| 2005 | GMC | Sierra 1500 | Base |
| 2005-2009 | GMC | Sierra 1500 | Denali |
| 2005-2006,2009 | GMC | Sierra 1500 | Hybrid |
| 2006-2009 | GMC | Sierra 1500 | SL |
| 2005-2009 | GMC | Sierra 1500 | SLE |
| 2005-2009 | GMC | Sierra 1500 | SLT |
| 2005-2009 | GMC | Sierra 1500 | WT |
| 2005 | GMC | Sierra 2500 HD | Base |
| 2006 | GMC | Sierra 2500 HD | SL |
| 2005-2009 | GMC | Sierra 2500 HD | SLE |
| 2005-2009 | GMC | Sierra 2500 HD | SLT |
| 2005-2009 | GMC | Sierra 2500 HD | WT |
| 2005 | GMC | Sierra 3500 | Base |
| 2005 | GMC | Sierra 3500 | SLE |
| 2005 | GMC | Sierra 3500 | SLT |
| 2005 | GMC | Sierra 3500 | WT |
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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