The McCormick 6521661M1 Seal is a genuine OEM component designed for critical sealing applications in various agricultural machines. This high-quality seal ensures optimal performance and prevents leaks, maintaining the integrity of hydraulic systems or other sealed components. With an outer diameter of 95 mm, an inner diameter of 51 mm, and a thickness of 12 mm, it provides a precise fit. Compatible with a wide range of Massey Ferguson, Landini, and McCormick tractor models, including MF 100, 200, 300, 400, 500, 600, 1000, 2000, 3000, 3600, 4000, 5000, 6000, 8000, 8100, 8200 Series, Landini LANDPOWER, LEGEND, MYTHOS, POWERFARM, VISION, and McCormick MC, MTX, XTX series. This seal is also cross-referenced as Massey Ferguson and Landini 3700052M1, confirming its broad application.