This genuine Kubota 1590121052 Piston Ring Set is an essential component for maintaining optimal engine performance in various Kubota agricultural and construction machinery. Designed for a wide range of Kubota D-series, V-series, WG-series, and Z-series engines, including models like D750, D850, D950, V1100, V1200, V1300, V1500, D650, D905, D1005, D1105, D1105-T, D1305, D1505, D1703, D1803, V1505, V1505-T, V2003, V2203, V2403, V2403-M, V2403-T, V2607, V3307, V3600, V3800, WG1605, WG2503, WG3800, Z482, Z602, Z620. It ensures proper compression and oil control for efficient engine operation. This set is also compatible with numerous Kubota tractor and utility vehicle models such as B1700, B2100, B2400, B2410, B2710, B2910, B3030, B3200, B7500, B7510, B7610, B7800, BX2200, BX2230, BX22D, BX23, BX2350, BX2360, BX24, BX25, BX2660, F2560, F2880, F3080, F3680, FZ2100, FZ2400, K008, K008-3, K008-5, KX008, KX008-3, KX018, KX018-4, KX022, KX027, KX033, KX040, KX057, KX080, L2501, L2800, L3200, L3301, L3400, L3560, L3901, L4060, L4701, L4760, RTV1100, RTV1140, RTV900, RTV-X1100, RTV-X1120, RTV-X1140, RTV-X900, U15, U17, U25, U35, U45, U55, ZD28, ZD326, ZD331, ZD331LP, ZD331P, ZD331RP, ZD331RLP, ZD331R.