The Case IH 73327989 is a genuine OEM 12V 150A alternator designed for reliable electrical system performance in Case IH agricultural machinery. This essential component ensures consistent power generation for various tractor models, including the Maxxum, Puma, and MXU series, providing optimal charging for the battery and powering onboard electrical systems. Engineered to meet original equipment specifications for durability and precise fit, this alternator maintains the integrity and efficiency of your machine's electrical system.