The Kubota W21TS03912 is a genuine OEM rear structure component designed for various Kubota B-Series compact tractors. This essential part ensures structural integrity and proper assembly within the machine. Manufactured to Kubota's specifications, it provides reliable performance and a precise fit for models including B2301D, B2301HSD, B2301HSD-1, B2601HSD, B2601HSD-1, B2650HSD, B2650HSDC, B3350HSD, B3350HSDC, and B3350SUHSD. With dimensions of approximately 95.25 mm length, 50.8 mm width, and 50.8 mm height, and a weight of 0.05 kg, this structure is a critical replacement part.