The STEYR 3145548R2 is a genuine OEM washer designed for optimal performance and secure fastening in a wide range of Steyr agricultural machinery. This precision-engineered washer features an inner diameter of 12.5 mm, an outer diameter of 22 mm, and a thickness of 2.5 mm. It ensures proper spacing and load distribution for critical components across numerous Steyr tractor models, including the 8000, 9000, M9000, and MT series, providing reliable support and durability.