The DeatschWerks VB40AX1 is a single-pump 40-amp voltage booster that holds fuel-pump voltage steady under load for the 2011-2025 Ford Mustang. Stable voltage keeps the pump flowing at its rated output when system voltage sags. The plug-and-play harness installs without cutting factory wiring.
| Type | Single-pump voltage booster (VB40AX1) |
| Rating | 40 amp |
| Includes | Plug-and-play harness |
| Fitment | Ford Mustang 2011-2025 (see table) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | Ford | Mustang | Base |
| 2011-2014 | Ford | Mustang | Shelby GT500 |
| 2011-2025 | Ford | Mustang | GT |
| 2012-2013 | Ford | Mustang | Boss 302 |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2017 | Ford | Mustang | V6 |
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2015-2020 | Ford | Mustang | Shelby GT350R |
| 2015-2025 | Ford | Mustang | EcoBoost |
| 2015-2025 | Ford | Mustang | EcoBoost Premium |
| 2015-2025 | Ford | Mustang | GT Premium |
| 2019-2020 | Ford | Mustang | Bullitt |
| 2020-2022 | Ford | Mustang | Shelby GT500 |
| 2021-2023 | Ford | Mustang | Mach 1 |
| 2024-2025 | Ford | Mustang | Dark Horse |
| 2024-2025 | Ford | Mustang | Dark Horse Premium |
| 2025 | Ford | Mustang | GTD |
