This is a used Isuzu ECM and TCM. This will fit all 2003-2007 NPR, NQR trucks, as well as GMC W3500, W4500, W5500 trucks with a 6.0 gas engine. OEM Part#:12589462. Call for pricing and availability at 1-877-564-6307 Press 1.  If you have any further questions speak with our sales team. 05-13-16
*Pictures are for Illustration Purposes Only*