AIR FILTER FOR FIAT OM TRACTORS Engine model: 480 - 480DT - 500 - 500DT/S - 505C - 540 - 540DT - 550 - 555 - 480.8 - 480.8DT 1. Oil filter, screw-on Height: 180 mm Diameter: 109 mm Reference code: 10465 Original code: 1909101, 4648371, 2.4419.170.1, W8005 2.