The Massey Ferguson 745572M91 Piston with Pin is a genuine OEM component designed for optimal engine performance in various Massey Ferguson agricultural and industrial machinery. This high-quality piston features a 91.44 mm bore, a 31.75 mm pin diameter, an overall length of 106.5 mm, and a compression height of 57.15 mm. It is compatible with numerous models including the MF 135, MF 148, MF 165, MF 230, MF 240, MF 250, MF 265, MF 275, MF 290, MF 350, MF 360, MF 365, MF 375, MF 390, MF 550, MF 565, MF 575, MF 590, MF 675, MF 690, MF 1200, MF 1250, MF 3300, MF 3315, MF 3330, MF 3340, MF 3350, MF 3355 tractors, as well as industrial models like MF 20C, MF 30B, MF 40B, MF 50B, MF 50C, MF 50E, MF 50EX, MF 60H, and combine harvesters 506, 507, 510, 515, 520, 525, 620, 625. This piston is suitable for Perkins A3.152, AD3.152, A4.203, AD4.203, A4.212, A4.236, AD4.236, A4.248, AD4.248 engines.