The Detroit Diesel 5133767 Belt Kit is a genuine OEM replacement part designed for Series 60 engines. This kit includes three essential belts, crucial for maintaining proper engine function and accessory drive. Manufactured to Detroit Diesel's stringent specifications, this belt kit ensures durability, precise fitment, and reliable operation, contributing to the longevity and efficiency of your engine. It is a direct replacement, facilitating straightforward installation and restoring peak performance.