Engine control unit for generator sets
Your genset no longer starts or shuts down for no clear reason, and the engine control unit is to blame? We supply a genuine unit, matched to your engine serial number and shipped ready to fit.
A standby genset that will not start leaves a site without power on the day it is needed. For rental or prime-power sets, every day down costs money. The engine control unit runs starting, injection and protections: when it fails, the set stays down.
Heavy-duty diesel only — no passenger cars.
Signs of a failed engine control unit
- The engine cranks but does not start, with no mechanical fault found.
- The genset controller no longer communicates with the engine.
- The diagnostic tool no longer connects to the unit.
- Intermittent shutdowns, unit fault codes, unstable speed.
- Unit flooded (water, condensation) or burnt after an over-voltage or a lightning storm.
These symptoms can also come from the wiring harness, the power supply or a sensor. Have the wiring checked before replacing the unit: we remind you of this in the quote.
What to send us
- The engine make and model, and its serial number (engine plate).
- The part number on the old unit's label, if readable.
- The machine: make, model, year, and whether it is down right now.
- The delivery country. Photos help but are optional.
Where to find the engine serial number →
How the replacement works
- You fill in the quote request (two minutes).
- We check the part number and the match with your engine serial number.
- Within 24 h (working days) you receive the price, the part's condition and the lead time.
- Once you agree, the genuine unit is matched to your engine and checked before shipping.
- You fit it in place of the old one: same mountings, same connectors.
Part numbers and families in our catalogue
Frequently asked questions
The set is a standby unit: can you be quick?
Tick "machine down" in the request: it goes to the top of the list. The exact lead time depends on part availability and is written in the quote.
Do I also need to replace the genset controller?
No: we supply the engine control unit. The genset controller stays in place and reconnects to the new unit.
My genset is a different brand from the engine.
That is the usual case: the set is built around a Caterpillar, Cummins, Volvo Penta, Perkins or John Deere engine. Give us the engine brand and its serial number.
Get a price and lead time
Engine serial number or unit part number: that is enough to start.