Main filter part number of Caterpillar brand we supply as below, if you can not find the part number you need, please mail us, we will give you reply in one workday: 326-1641 326-1643 1R-1808 1R-0755 1R-0716 1R-0739 1R-0740 1R-0726 1R-0749 1R-0712 1R-0750 1R-0751 1R-0753 1R-0755 1R-0756 1R-0718 1R-0719 1R-0 762 1R-0722 1R-0741 1P-7360 1R-0659 5I-8670 6I-2501/ 6I-2502 6I-2503 6I-2504 6I-2505 6I-2506 6I-2509/ 6I-2510 6I-0273 6I-0274 4I-7575 133-5673 129-0373 1R -0770 1R-0771 117-4089 4L-9852 4T-3131 4T-6788 4P-0710 4P-0711 8N-6309 8N-25 56 4N-0015 6L-4714 7Y-0404 7Y-1323 7W-5495 7W-5313 9N-3367 110-6326 093-7521 126-2081 142-1339 142-1404 106-3969 106-3973