(Used) 2011 Thomas Built Saf-T-Liner HDX, DIESEL PARTICULATE FILTER- (Inlet Facing Upward, Outlet Facing Rear) INLET- Serial Number: 26112100261 FILTER- EPN: Q629355, CPN: 2871461, Serial Number: 36096100039, ASM- EPN: 205209A, CPN: 2866595, Serial Number: 43120100148, OUTLET- Engine: Cummins ISL, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921