( Used ) 2015 Freightliner Cascadia 125 DIESEL PARTICULATE FILTER- ( Inlet Facing upward Direction, Outlet Facing Rear Direction 31 pin plug ) Type plug: Round Inlet SN: 12440005343487 Inlet PN : 1608211801300B For condition chk pictures For more information about this item, give us a call.we ship worldwide! ( CRG HEAVY TRUCK PARTS ) 929 W PULASKI HWY ELKTON, MD 21921