The John Deere AL79618 is an authentic OEM viscous drive clutch designed for various John Deere agricultural tractors. This critical component ensures efficient and smooth power transfer within the machine's drive system, contributing to optimal performance and longevity. Manufactured to John Deere's rigorous standards, the AL79618 clutch provides precise engagement and disengagement, reducing wear and tear on other drivetrain components. It is a direct replacement part, guaranteeing perfect fitment and compatibility with specified John Deere models.