The Claas 13038120 Sealing Ring is a genuine OEM O-ring designed for critical sealing applications in Claas agricultural machinery. With an inner diameter of 100mm, an outer diameter of 110mm, and a thickness of 5mm, this durable O-ring ensures a reliable seal, preventing leaks and maintaining system integrity across a wide range of Claas tractors, combines, forage harvesters, balers, and telehandlers.