366-8821 ECM ECU Controller – Programmed Engine Control Module for Caterpillar 311D-349D & M325D-M330D

Replace Part Number: 366-8821, 3668821, 366-8821-00.

Compatible Model: For Caterpillar Excavator: 311D 311DL 312D 312DL 312D2 313D 313D2 315D 315DL 318D 318D 319D 320D 320D2 321D 323D 323DL 324D 324DL 325D 325DL M325D 326D 326DL 328D 328DL 329D 329DL 330D 330DL M330D 336D 336DL 336D2 340D 340DL 340D2 345D 345DL 349D 349DL 349D2 374D 374DL 390D 390DL.

Perfect Manufacturing: By following a precise inspection process, we replace failing or defective components in our ECU/ECM, to give new life to your old engine.

Long-Lasting Performance: By improving the circuitry of the product, we enhance its functionality and increase its longevity. Get more bang for your back with a model that is made to last.

Ready For Immediate Installation: We program the module to your engine’s exact specifications. You will receive your ECM in a ready state.