(Used) 2012 Thomas Built Saf-T-Liner HDX, DIESEL PARTICULATE FILTER- ( Inlet Facing Upward, Outlet Facing Inward,) INLET- EPN: Q629755 CPN: 2871752 FILTER- EPN: Q6293355 CPN: 2871461 Serial Number: 36254175059 OUTLET- EPN: Q629450 CPN: 2871527 Serial Number: 56095115391 ASM PN- EPN: 205208A CPN: 2866594 Engine: Cummins ISB6.7 For more information about this item, give us a call. We ship worldwide! ( CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921