The Claas 0011337420 is a genuine OEM adjustment washer designed for precise spacing and alignment in various Claas agricultural and construction machinery. This high-quality washer features an inner diameter of 10.2 mm, an outer diameter of 18 mm, and a thickness of 0.5 mm, ensuring optimal fit and performance. It is a critical component for maintaining proper clearances and reducing wear in mechanical assemblies across numerous Claas models.