The Kubota 1664504620 Structure is a genuine OEM part designed to provide essential support and assembly within specific Kubota B-Series tractors. This critical component ensures the integrity and proper function of the machinery. Confirmed fitment includes a wide range of models such as B21, B2100D, B2100E, B2100HSD, B2100HSE, B2400D, B2400E, B2400HSD, B2400HSE, B2710HSD, B2910HSD, B7300HSD, B7400HSD, B7500HSD, B7510HSD, B7610HSD, and B7800HSD.