The Freudenberg-NOK O-Ring 4.125 x 0.188 (ID x CS) is engineered for optimal sealing performance in various environments. Constructed from premium materials, this O-Ring offers excellent resistance to chemicals and temperature fluctuations. Its precise dimensions ensure a snug fit, making it ideal for hydraulic and pneumatic applications. This O-Ring complies with industry standards, ensuring reliability and longevity in demanding conditions. Perfect for automotive and industrial uses, it is a vital component for maintaining system efficiency and preventing leaks.