4587273 458-7273-00 A2C7325330800 Engine Control Unit ECU ECM for Caterpillar C4.4 Engine Computer Module New Original Replacement
🔧 Product Overview The 4587273 / 458-7273-00 / A2C7325330800 Engine Control Unit (ECU/ECM) is a high-quality electronic control module designed for Caterpillar C4.4 diesel engines used in excavators, construction machinery, and industrial equipment. This ECU acts as the central engine management ...
Caterpillar C4.4 Engine Control Unit
,Original ECU ECM replacement
,Excavator Controller Module with warranty
The 4587273 / 458-7273-00 / A2C7325330800 Engine Control Unit (ECU/ECM) is a high-quality electronic control module designed for Caterpillar C4.4 diesel engines used in excavators, construction machinery, and industrial equipment.
This ECU acts as the central engine management system, ensuring precise fuel injection control, optimized combustion efficiency, and stable engine performance under heavy-duty working conditions.
Each unit is fully tested before shipment, ensuring OEM-level reliability and long service life.
- ✔ High-performance ECU / ECM engine controller module
- ✔ Stable and reliable engine operation control
- ✔ Optimized fuel injection timing and engine efficiency
- ✔ Plug & play replacement (system dependent)
- ✔ Fully tested before delivery (100% quality inspection)
- ✔ Durable design for harsh construction environments
- ✔ OEM standard performance replacement
This ECU is widely used in:
- Caterpillar C4.4 Engine
- Excavators
- Construction machinery
- Industrial equipment
- Generator sets (depending on configuration)
- 4587273
- 458-7273-00
- A2C7325330800
- 10R-7665 (possible cross reference in some systems)
- Condition: Brand New / High Quality Replacement
- Type: Engine Control Unit (ECU / ECM)
- Application: CAT C4.4 Engine System
- Testing: 100% Fully Tested Before Shipping
- Warranty: 6–12 Months (optional)
- Packaging: Anti-static + Export standard carton
The ECU is the core brain of the engine system, responsible for:
- Fuel injection control
- Engine speed regulation
- Air-fuel ratio optimization
- Emission control management
- Fault detection and protection
A stable ECU ensures:
✔ Better fuel efficiency
✔ Stronger engine power
✔ Reduced downtime
✔ Longer engine life
- Stable supply for Caterpillar ECU modules
- Strict quality control system
- Fast worldwide shipping support
- Professional technical support team
- OEM-grade replacement performance
Before ordering, please confirm:
- Engine model (C4.4)
- ECU part number (4587273 / A2C7325330800)
- Application type (excavator / generator / machinery)
If unsure, send us your ECU nameplate photo for confirmation.
