The Kubota K258136050 is a genuine OEM hydraulic arm shaft designed for various Kubota B, BX, L, and LX series tractors. This critical component ensures the proper articulation and function of the hydraulic arm, providing reliable and precise control for implements. Made to Kubota's exact specifications, it offers durability and a perfect fit for models including B2301, B2601, B2650, B3350, BX1870, BX1880, BX2370, BX2380, BX2670, BX2680, L2501, L3301, L3901, L4701, LX2610, LX3310, and LX4010.