PE3-8400P ECU Waterproof Enclosure
PE3-8400P Sealed Standalone Engine Control Unit (ECU)
The PE3-8400P is a sealed, potted version of the PE3 standalone ECU designed for harsh environments. Its encapsulated enclosure helps protect the electronics from moisture, dust and vibration, making it a strong choice for off-road, marine and powersports applications that still require precise fuel and ignition control.
- Sealed / potted standalone ECU
- Designed for harsh, wet or dusty environments
- Programmable fuel & ignition control
- PC-based tuning & data monitoring
Built to survive where other ECUs struggle
The PE3-8400P uses an encapsulated, sealed enclosure to help isolate the electronics from environmental exposure. When paired with appropriate connectors, harnessing and mounting, it can be used in vehicles that see water spray, mud, dust, vibration and temperature swings that would challenge a conventional open ECU case.
Key capabilities
Fuel & ignition management
- Fully programmable fuel and ignition tables via PC-based tuning software.
- Suitable for a variety of engine configurations when wired and configured correctly.
- Supports tuning for performance, drivability and efficiency based on your calibration.
- Integration with commonly used sensors when properly matched and calibrated.
Sealed enclosure & durability
- Encapsulated housing helps protect against moisture, dust and vibration.
- Designed for environments that would be difficult for a traditional open ECU case.
- Compact footprint allows flexible mounting in crowded off-road or marine installations.
- Can be used with sealed connectors and harnesses for added environmental protection.
Tuning & motorsport features
- PC-based calibration software for map editing, live data viewing and diagnostics.
- Support for advanced features (such as boost or launch strategies) where enabled in software.
- Monitoring and logging capabilities (exact functions depend on configuration/software version).
- Ability to manage multiple calibrations for different fuels or operating conditions when configured.
Ideal applications
- Off-road trucks and buggies.
- Side-by-side / UTV builds.
- Snow and mud vehicles.
- Marine-style or water-exposed installations.
- Powersports and recreational vehicles.
- Any application where added environmental sealing is beneficial.
What’s included
Adjust this section to match exactly what you ship with each order.
- PE3-8400P sealed engine control unit.
- Main connector set or plug kit (if included with your SKU).
- Basic documentation or link to download manuals and tuning software.
- Any additional accessories you choose to bundle (mounting hardware, communication cable, etc.).
Installation & tuning notes
- Professional installation and tuning are strongly recommended, especially in harsh environments.
- Requires an appropriate sealed harness, well-routed wiring and correct configuration in the tuning software.
- Always follow official documentation for pin assignments, system design and operating limits.
- Improper installation or calibration can cause engine damage; always save and back up calibrations.
Need an ECU that can handle tough conditions?
Add the PE3-8400P to your cart and combine it with a sealed harness, sensors and calibration support for a rugged standalone ECU package built for demanding environments.