The Case-IH 87390639 Fuse Holder is an original equipment manufacturer (OEM) part designed to securely house fuses within the electrical systems of various Case-IH agricultural machinery. This genuine fuse holder ensures proper circuit protection and maintains the integrity of the electrical network in compatible Maxxum, Puma, Optum, Vestrum, and Farmlift series equipment, preventing damage from overcurrents. It is a direct replacement part, essential for maintaining the operational safety and performance of your machinery.