The Freudenberg-NOK H901B O-Ring is a high-quality sealing solution made from 90 durometer HNBR, featuring a cross-section of 0.139 inches. This O-Ring is engineered for exceptional performance in demanding environments, providing excellent resistance to heat, oil, and chemicals. Its precise dimensions ensure a snug fit, enhancing sealing efficiency and preventing leaks. Ideal for automotive and industrial applications, this O-Ring meets industry standards for quality and reliability. The durable HNBR material ensures a long service life, making it a trusted choice for various sealing needs.