The DeatschWerks DW400 is a 415 LPH in-tank fuel pump supplied with the 9-1047 install kit for the Ford Mustang and F-150. This kit drops the high-flow pump into the factory module and supports high-output and boosted builds that outrun the stock pump.
| Type | In-tank fuel pump (DW400) |
| Flow | 415 LPH |
| Mounting | In-tank |
| Includes | 9-1047 install kit (1/8in Venturi) |
| Fitment | Ford Mustang 2015-2025 / Ford F-150 2009-2025 |
| Part Number | 9-403-1047 |
Documents: Technical Bulletin (PDF) | Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2014 | Ford | F-150 | FX2 |
| 2009-2014 | Ford | F-150 | FX4 |
| 2010-2012 | Ford | F-150 | Harley-Davidson Edition |
| 2009-2025 | Ford | F-150 | King Ranch |
| 2009-2025 | Ford | F-150 | Lariat |
| 2011 | Ford | F-150 | Lariat Limited |
| 2013-2014,2016-2023 | Ford | F-150 | Limited |
| 2009-2025 | Ford | F-150 | Platinum |
| 2018-2025 | Ford | F-150 | Police Responder |
| 2017-2025 | Ford | F-150 | Raptor |
| 2016-2025 | Ford | F-150 | SSV |
| 2009-2014,2024-2025 | Ford | F-150 | STX |
| 2010-2014 | Ford | F-150 | SVT Raptor |
| 2021-2025 | Ford | F-150 | Tremor |
| 2009-2025 | Ford | F-150 | XL |
| 2009-2025 | Ford | F-150 | XLT |
| 2019-2020 | Ford | Mustang | Bullitt |
| 2024-2025 | Ford | Mustang | Dark Horse |
| 2024-2025 | Ford | Mustang | Dark Horse Premium |
| 2015-2025 | Ford | Mustang | EcoBoost |
| 2015-2025 | Ford | Mustang | EcoBoost Premium |
| 2015-2025 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2025 | Ford | Mustang | GT Premium |
| 2021-2023 | Ford | Mustang | Mach 1 |
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2015-2020 | Ford | Mustang | Shelby GT350R |
| 2020-2021 | Ford | Mustang | Shelby GT500 |
| 2015-2017 | Ford | Mustang | V6 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
