PF7977 Fuel/Water Separator Element case of 12 Fits: 7/02-10 Dodge Light-Duty Trucks with Cummins 5.9L Diesel Engine O.D.: 3 3/8 (85.7) I.D.: 13/16 (20.6) One End Length: 4 3/32 (104.0) O. Ring: [1] Included