(Used) 2008 Sterling L9500, DIESEL PARTICULATE FILTER, Inlet: 2899989 Filter: 20R8023 Serial Number: 653C-18072B11-01 Outlet: 286-1567 For a Caterpillar C13 Engine, For more information about this item, give us a call. We ship Worldwide! ( CRG HEAVY TRUCK PARTS ) 929 W PULASKI HWY ELKTON, MD 21921