Caterpillar 2622878 Engine Control Module

The Caterpillar 262-2878 (2622878) is an Electronic Control Module (ECM) designed for Cat C9, C15, C18, and C27 engine platforms. This control group manages fuel injection timing, air-fuel ratio, emissions control, and machine system communication via Cat Data Link and J1939 protocols. The unit features a 120-pin connector interface and aluminum housing rated for heavy-duty vibration and thermal environments. It is supplied unprogrammed and requires calibration flashing with the correct engine serial number and application software before installation. Compatible with wheel loaders, articulated trucks, motor graders, track-type tractors, and hydraulic excavators equipped with the specified engine families. Cross-references include Cat remanufactured part numbers 10R-5647 and 372-2905.