This tappet fits the Long 460, 2510, 2510DTC, 2510SD, 2510SD-DTC, 2610, 2610DTC, 2610SD, 2610SD-DTC, 2360, 2360DTC, 2460, 2460DTC, 2460SD, 2460SD-DTC, 310, 310C, 310DT, 350, 360, 360C, 445, 445DT, 445SD, 445V, 480, 460DT, 460SD, 460V, 2310, 2260, 320, 260C, 550, 550DT, 560, 560DT, 560DTE, 610, 610C, 610DT, and 610DTE tractors.