The APN6731B Oil Filter is specifically designed to fit Massey Ferguson TE20 & TO20 tractors, as well as other models such as 2N, 8N, and 9N. It is a reliable aftermarket part suitable for use with various Universal Products equipment. This oil filter is sold as a single item and is essential for maintaining the proper functioning of the tractor's engine by effectively filtering out impurities from the oil. Trust in the quality of this oil filter to keep your tractor running smoothly and efficiently.