The Claas 0813387500 is a genuine OEM O-ring designed for critical sealing applications in Claas agricultural machinery. Made from durable NBR (Nitrile Butadiene Rubber), it features an inner diameter of 110 mm, an outer diameter of 116 mm, and a thickness of 3 mm. This essential spare part ensures reliable fluid containment and prevents leaks in hydraulic or other systems across a wide range of Claas models, including LEXION, JAGUAR, TUCANO, and XERION series.