The DeatschWerks DW400 module is a drop-in 415 LPH in-tank fuel pump assembly for the 2015-2024 (S550/S650) Ford Mustang. 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 EcoBoost and GT models including Bullitt, Mach 1 and Dark Horse.
| Type | In-tank fuel pump module (DW400) |
| Flow | 415 LPH |
| Mounting | In-tank module |
| Includes | Complete drop-in module |
| Fitment | Ford Mustang EcoBoost / GT / Bullitt / Mach 1 / Dark Horse 2015-2024 |
| Part Number | 9-403-7231 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2020 | Ford | Mustang | Bullitt |
| 2024 | Ford | Mustang | Dark Horse |
| 2015-2024 | Ford | Mustang | EcoBoost |
| 2015-2024 | Ford | Mustang | GT |
| 2021-2023 | Ford | Mustang | Mach 1 |
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.
