The McCormick 3664658M1 Pulley is an essential genuine OEM component designed for various McCormick CX, MC, MTX, and XTX series tractors. This high-quality pulley ensures reliable operation and proper function within the machinery's system. It is also compatible with a wide range of Massey Ferguson 4200, 4300, 5400, 6200, 6400, 7400, 8200 series tractors and Challenger MT400B, MT500B, MT600B series tractors, offering broad application across AGCO brands. This part supersedes earlier versions 3664658M2, 3664658M3, and 3664658M4.