The Kubota RP80170570 is a genuine OEM back-up ring designed to support O-rings and prevent extrusion under high pressure in various Kubota agricultural, construction, and utility machinery hydraulic systems. This critical component helps maintain the integrity of seals, ensuring reliable performance and preventing fluid leaks. Manufactured to Kubota's precise specifications for durability and accurate fitment across a wide range of tractors, utility vehicles, and mowers.