The McCormick 3557339M1 is a genuine OEM oil seal, precisely engineered with dimensions of 45mm inner diameter, 65mm outer diameter, and 12mm thickness. This high-quality lip seal ensures optimal sealing performance in various McCormick C, CX, MC, X60, X70, and XTX series agricultural tractors. It is also cross-referenced as an equivalent for Massey Ferguson, Landini, and AGCO applications, providing reliable fitment and durability for critical machinery components.