The Kubota RA02521750 is a genuine OEM bolt specifically designed for fastening components within the undercarriage system of multiple Kubota BX series tractors. This essential hardware ensures the secure attachment and structural integrity of undercarriage parts, contributing to the reliable operation and longevity of the machine. It serves as a direct replacement for models including BX1800, BX1800D, BX1800D-1, BX1830, BX1830D, BX1850, BX1850D, BX1860, BX1870, BX1870-1, BX1880, BX2200, BX2200D, BX2200D-1, BX2230, BX2230D, BX22D, BX2350, BX2350D, BX2360, BX2370, BX2370-1, BX2380, BX24, BX24D, BX25, BX25D, BX25DLB, BX25DLB-1, BX2660, BX2670, BX2670-1, and BX2680.