The Kubota 1G77221052 Piston Ring Set is a genuine OEM component designed for various Kubota diesel engines, including the D902, D1005, D1105, and V1505 series. This set includes all necessary rings for one piston, engineered to maintain proper compression, control oil consumption, and dissipate heat effectively. Manufactured to Kubota's strict quality standards, these piston rings ensure reliable engine operation and extended service life for agricultural, construction, and industrial machinery.