CATERPILLAR 3126, (USED) 1999 Caterpillar 3126 Diesel Engine Computer Module, ECM, ECU, 8YL, for sale!!!! P/N: 162-7581-02 22390175KC Stock #: E1785 For more information about this listing, shipping, technical questions email us at sales@jjrebuilders.com or call 1-800- 971