The STEYR 84174057 is a genuine OEM O-ring, critical for maintaining fluid integrity and preventing leaks in a wide range of agricultural and construction machinery. This high-quality sealing component is manufactured to precise specifications, featuring an inner diameter of 44.45 mm, an outer diameter of 50.8 mm, and a thickness (cross-section) of 3.17 mm. It ensures a durable and effective seal, compatible with numerous Steyr, Case IH, and New Holland models, making it an essential replacement part for hydraulic, fuel, or other sealed systems.