The Freudenberg-NOK 0.103" 70 VMQ O-Ring SI70A4 is a high-quality sealing solution with a diameter of 3.737 inches. Made from VMQ (silicone rubber), it offers excellent resistance to temperature fluctuations and chemical exposure. With a hardness of 70 Shore A, this O-ring is designed for reliable sealing in various applications, including automotive and industrial sectors. It complies with relevant industry standards, ensuring durability and performance. Its precise dimensions and resilient material make it an ideal choice for preventing leaks in critical systems.