The Claas 0011366190 is a genuine OEM adjustment washer designed for precise spacing and alignment in Claas agricultural equipment. This high-quality washer features an inner diameter of 20.2 mm, an outer diameter of 30 mm, and a thickness of 0.5 mm, ensuring a perfect fit and reliable operation across a wide range of Claas tractors, combine harvesters, forage harvesters, and balers. Manufactured to Claas's exacting standards, it guarantees durability and maintains optimal machine performance.