The Kubota RC44179430 is a genuine OEM O-Ring, precisely engineered to provide a reliable, leak-free seal in critical applications across a wide range of Kubota agricultural and utility machinery. With an inner diameter of 3.5 mm, an outer diameter of 8.5 mm, and a thickness of 2.5 mm, this O-Ring is manufactured to strict Kubota specifications, ensuring optimal fitment and durability. It is commonly utilized in hydraulic systems, engine components, and transmission assemblies for models such as the B2301, BX1870, L2501, MX4800, RTV-X1100C, and ZD1211, maintaining system integrity and preventing fluid loss.