(Used) 2012 Peterbilt 386, DIESEL PARTICULATE FILTER- (Inlet Inward Direction, Outlet Rear Direction) For 2012 Cummins ISX Engine, CPN: 2871577, EPN: Q629457, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD21921