CATERPILLAR C13, (GOOD USED/ TESTED) OEM 2006 Caterpillar C13 Engine Control Module, ECM, ECU, KCB, for sale!!!! Part #: 256-1159-01 Stock # E2165 For more information about this listing, shipping, technical questions email us at sales@jjrebuilders.com or call 1-800-971-3