The Multiquip P9397 EFI Controller Software is a genuine OEM component designed for C30HDNI series concrete pumps, including the C30HDNI Precision models. As a direct OEM replacement, this software is sourced from Multiquip and ensures the electronic fuel injection system operates exactly as the machine was originally engineered to perform. Verified fitment covers C30HDNI Mayco concrete pump units, giving you confidence you are ordering the correct calibration for your equipment.
Key Features
- OEM-Matched Calibration: — Programmed to the exact fuel injection parameters specified for C30HDNI engines, maintaining the precise air-fuel mapping the system was designed around.
- Direct ECU Replacement: — Loads directly into the compatible EFI controller unit without requiring custom tuning or third-party programming tools.
- Confirmed C30HDNI Fitment: — Verified for C30HDNI and C30HDNI Precision Mayco concrete pump models, covering both standard and fuel-injected Precision variants.
- Restores Full Engine Management: — A corrupted or failed software image causes hard starts, erratic throttle response, or pump shutdowns; this genuine OEM file restores stable engine management and consistent output.
- Genuine Multiquip OEM Supply: — Supplied directly through the Multiquip parts network, ensuring the software version matches current production specifications for the C30HDNI platform.
The EFI Controller Software is the operating program stored within the engine's electronic control unit (ECU) that governs fuel delivery, ignition timing, and throttle response on fuel-injected concrete pump models. It acts as the brain of the fuel injection system — without the correct software image, the ECU cannot properly manage the engine, leading to poor starting, unstable idle, loss of power, or complete engine shutdown. Replacing or restoring this software with the genuine OEM version ensures the ECU interprets sensor data correctly and keeps the pump running at the performance level it was built to deliver.
For fitment questions or to confirm compatibility with your specific C30HDNI unit, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | P9397 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | EFI Controller Software |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDNI Precision |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
