The Multiquip ECU9988N220V Engine Controller is a genuine OEM component designed for Multiquip Super-Silent and Diesel Powered Generator series, including DCA220SSVU, DCA300SSC, DCA300SSCU, DCA400SSI, DCA250SSI, DCA250SSIU, DCA20SPX, MQP240, DCA220SSVU-50HZ, DCA220SSVU-60HZ, and DCA250SSI-3. As a direct OEM replacement, the part meets the original engineering specifications for these generator families, ensuring the control system functions exactly as the equipment was designed to operate. Sourced directly from Multiquip, this part is the same unit installed at the factory, giving you full confidence in compatibility across the listed models.
Key Features
- Genuine OEM Control Logic — Programmed to the original Multiquip specification, preserving correct voltage regulation, load management, and shutdown protection behavior for these generator models.
- Direct Plug-In Replacement — Matches the original harness connectors and mounting configuration, allowing straightforward installation without rewiring or adapter modifications.
- Broad Generator Fitment — Confirmed compatible with DCA220SSVU, DCA300SSC, DCA300SSCU, DCA400SSI, DCA250SSI, DCA250SSIU, DCA20SPX, MQP240, DCA220SSVU-50HZ, DCA220SSVU-60HZ, and DCA250SSI-3.
- Stable Power Output — A correctly functioning engine controller maintains precise engine speed and output frequency, protecting connected loads from damaging voltage fluctuations.
- Critical Electrical Safety — The engine controller governs protective shutdown sequences for overcurrent, low oil pressure, and high-temperature conditions — using a correctly rated OEM unit is essential to maintaining these safeguards.
The engine controller is the electronic brain of a diesel generator set. It monitors and regulates engine speed, output voltage, and frequency while continuously watching critical parameters such as oil pressure, coolant temperature, and load levels. When the controller detects an out-of-range condition, it triggers automatic protective shutdowns that prevent serious mechanical or electrical damage. A failed or incorrect controller can result in unstable power output, failed start sequences, or — most critically — the loss of those protective shutdown responses, leaving the generator and connected equipment exposed to damage.
For help confirming this part fits your unit, contact the DHS Equipment team with your model and serial number.
Part Details
| Part Number | ECU9988N220V |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine Controller |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA-220SSVU |
| Diesel Powered Generators | DCA300SSC |
| Diesel Powered Generators | DCA300SSCU |
| Diesel Powered Generators | DCA400SSI |
| Diesel Powered Generators | DCA20SPX |
| Diesel Powered Generators | DCA250SSI |
| Diesel Powered Generators | DCA250SSIU |
| Diesel Powered Generators | MQP240 |
| Diesel Powered Generators | DCA220SSVU-50HZ |
| Diesel Powered Generators | DCA220SSVU-60HZ |
| Diesel Powered Generators | DCA250SSI-3 |
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.
