Engine Model: CATERPILLAR 3408 Line 1 PartNumber: 6I1021 Line 2 PartNumber: 6I1022 Line 3 PartNumber: 6I1023 Line 4 PartNumber: 6I1024 Line 5 PartNumber: 6I1025 Line 6 PartNumber: 6I1026 Line 7 PartNumber: 6I1027 Line 8 PartNumber: 6I1028 IF YOU CAN'T FIND WHAT YOU ARE LOOKING FOR, PLEASE CONTACT US. PRICE AND PART NUMBERS ARE USED FOR REFERENCE PURPOSES ONLY.