CUMMINS ISM, (GOOD USED/ TESTED) 2000 Cummins ISM Diesel Computer Module, ECM, ECU, for sale!!!! P/N: 3681754 3681405 CM570 Stock #: E1877 For more information about this listing, shipping, technical questions email us at sales@jjrebuilders.com or call 1-800- 971-3019