CATERPILLAR 3126, (CORE) Caterpillar 3126 Diesel Engine Computer Module, ECM, ECU, CKM, for sale!!!! P/N: 198-7896-01 05226381IC Stock #: E1866 For more information about this listing, shipping, technical questions email us at sales@jjrebuilders.com or call 1-800- 971-3019