The Kubota 1290221110 Piston STD. is a genuine OEM (Original Equipment Manufacturer) standard size piston designed for Kubota D905, D1005, and D1105 series diesel engines. This critical engine component ensures proper compression and combustion, essential for the efficient and reliable operation of various Kubota machinery. It is suitable for engine overhaul and maintenance in models including B26, B2601, B3350, B3300, BX2660, BX2670, BX2680, F2690, F3990, K008-3, K008-5, KX008-3, RTV-X1100CR, RTV-X1100CW, RTV-X1120DR, RTV-X1120DW, RTV-X1140R, RTV-X1140W, U15, and U17.