Description
478-7933 4787933 ECM Controller
478‑7933 / 4787933 ECM Controller is the core electronic control module for heavy‑duty excavator engines.
This unit receives real‑time signals from multiple machine sensors, precisely regulates fuel injection, engine speed, temperature monitoring and other key parameters, supports on‑board fault diagnosis, and keeps your machine running stable under tough construction and mining working conditions.
High‑strength rugged housing and industrial‑grade connectors are adopted to resist vibration, dust and temperature fluctuation, adapting to severe site environments.
Direct plug‑in installation helps reduce repair downtime for your equipment.
Part Number: 478‑7933, 4787933
Compatible Engines: C7, C9, C11, C15, C18
Compatible Excavator Models: 324D, 325D, 329D, 330D, 336D, 349D
Perfect for equipment overhaul and breakdown replacement.
Please double‑check your original part number and machine model before ordering to confirm proper matching.
Professional installation and programming are recommended after receiving the item.






Reviews
There are no reviews yet.