The Claas 0011366390 is a genuine OEM sealing washer designed to ensure a tight seal in various Claas agricultural and construction machinery. This precision-engineered washer features an inner diameter of 12.5 mm, an outer diameter of 20 mm, and a thickness of 1.5 mm. It is a critical component for maintaining hydraulic and fluid system integrity across a wide range of Claas models, including Axion, Arion, Lexion, and Jaguar series.