The 100% New Main Bearing Set for Perkins Massey Ferguson, OEM Part Number 81558, is your go-to solution for maintaining peak performance in your tractor engines. Designed to fit engine models A4.236 (Diesel Eng. Early Block and Late Block), A4.248 (with and without Flame Ring Liner), and compatible with Massey Ferguson tractors such as models 16, 165, 168, 170, 1744S, 175, 178, 180, 184, 1844, 185, 188, 1944F, 20, 2230, 24, 240, 255, and 26. As a leading supplier and distributor of high-quality aftermarket tractor and skid steer parts, Tractor ensures you get the best for your equipment. Invest in reliability and durability with our expertly crafted bearing set, designed to deliver exceptional performance and longevity.