This aftermarket replacement sleeve kit, part number 240002461NO, is designed as a compatible alternative for Bondioli & Pavesi PTO (Power Take-Off) driveline systems. Specifically engineered to replace worn or damaged sleeves, this kit ensures the proper connection and smooth operation of your agricultural or industrial machinery's PTO shaft. The 'RS 1 3/8" Z 6/21' designation indicates its technical specifications: a 1 3/8-inch spline size, with Z6 and Z21 spline configurations, crucial for precise fitment within the PTO assembly. As a non-OEM component, this kit offers a cost-effective solution for maintaining the functionality of your equipment without compromising on performance. It is ideal for farmers, contractors, and machinery owners seeking reliable repair parts for their Bondioli & Pavesi compatible PTO shafts. The sleeve plays a vital role in transmitting power efficiently from the tractor to the implement, protecting the shaft from wear and tear, and ensuring a secure connection. This replacement kit provides the necessary components to restore the integrity of your PTO driveline, extending the lifespan of your valuable machinery. Always verify compatibility with your specific PTO shaft model before purchase.