The McCormick 4215800M5 oil seal is a genuine OEM component designed for various McCormick CX, MC, and MTX series agricultural tractors. This critical seal features an inner diameter of 40mm, an outer diameter of 55mm, and a thickness of 8mm, ensuring a precise fit and reliable sealing performance. It prevents lubricant leakage and protects internal components from contaminants, maintaining optimal machinery operation. This part number is also recognized as an OEM component across several other major agricultural machinery brands.