The Kubota 6876162390 is a genuine OEM back up ring designed to provide essential support for O-rings in hydraulic systems, preventing extrusion and ensuring reliable sealing performance. This critical component helps extend the lifespan of seals in a wide range of Kubota agricultural, construction, and utility vehicles. With an inner diameter of 12.5 mm, an outer diameter of 19.5 mm, and a thickness of 1.5 mm, this durable back up ring maintains optimal system pressure and prevents fluid leakage. It is suitable for numerous Kubota models including L-series, M-series, SVL, KX, RTV, and ZD equipment.