Cardone 77-2801F PCM ECU Reman *Requires programming* (GM OE 12602801, 89017749)
OE Numbers 12602801. Unit is not plug and play and will require special tools for programming to vehicle! Sierra 3500 Classic 2007. Sierra 3500 2005 – 2006. Sierra 2500 HD Classic 2007. Sierra 2500 HD 2005 – 2006.