Caterpillar ECM service page - Common applications: C15, C16, C12, 6NZ, 7CZ, 3406E 2WS, MBN, 5EK, 6TS, 5DS, 1LW, BXS, MXS, NXS

Welcome to the Caterpillar ECM service page. At this time we are not accepting Caterpillar repairs. A2 (40 pin) , A3 (70 pin), and A4 (120 pin) ECMs are used for most highway Caterpillar engine applications from 1994 to 2010 including the 3406E and C15 engines. Please click one of the three links below to proceed.