The Cat 3891590 V-Belt is a genuine OEM replacement part designed for reliable power transmission in a wide range of Caterpillar heavy machinery. Manufactured to Cat's stringent specifications, this V-belt ensures long-lasting performance and proper fitment, contributing to the efficient operation of engines and auxiliary systems. With an outside length of 2664.968 mm (104.92 inches) and a top width of 17.018 mm (0.67 inches), it is engineered for durability and resistance to wear under demanding conditions. This essential component maintains critical system functions across numerous Cat wheel loaders, track-type tractors, excavators, motor graders, and more.