Fuel fillercap used in Caterpillar construction machinery.
Machine models : 325, 320, 322, 323, 324,328, 329 330, 345, D4H, D5H, D5M, D5N, D6H, D6M, D6N, D6R, D6T. M318 M320 M312 M315 M320D2 M330D M315C M322C M313D M318D MH M316C M325C MH, M313C M322D MH M318D M318C MH M318C M316D W345B II M315D M325B M322D W345C MH and others
Other numbers: 1236305 3497059 1018909 1644858