AIR FILTER FOR FIAT OM TRACTORS Engine model: 765 C - 766 - 766 DT - 775 C 1. Screw-on oil filter Height: 180 mm Diameter: 109 mm Reference code (Cer.): 10465 Original part number: 1909101, 4648371, 2.4419.170.1, W8005 2.