The Kubota RG51121420 Spring is a genuine OEM replacement part designed for a wide range of Kubota agricultural and utility machinery. This essential component ensures proper tension and function within various systems, including compact tractors, front mowers, utility vehicles, and zero-turn mowers. Weighing approximately 0.02 kg, it is built to Kubota's precise specifications for durability and reliable performance across models such as the B2320, BX1850, F2690, L3560, RTV-X1100CR, and ZD1011.