This genuine McCormick 6640852A1 oil seal is designed for critical sealing applications in McCormick agricultural machinery. Measuring 40mm inner diameter, 55mm outer diameter, and 8mm thickness, this durable lip seal ensures optimal performance and prevents fluid leakage. It is a direct OEM replacement for a wide range of McCormick tractors, including models from the CX, MC, MTX, TTX, XTX, ZTX, X4, X5, X6, X7, and X8 series, ensuring precise fitment and reliability.