The 75172177 is a high-quality STR oil seal measuring 3.875" x 4.245" x 0.034", manufactured by Freudenberg-NOK. This oil seal is designed for effective sealing in various mechanical applications, ensuring minimal leakage and maximum efficiency. Its construction is tailored for durability, making it suitable for both hydraulic and pneumatic systems. The oil seal's design adheres to industry standards, ensuring compatibility with a variety of equipment. This product is essential for maintaining the integrity of machinery by preventing oil loss and protecting against contaminants.