The Freudenberg-NOK 3.975" 0.210" 70 VMQ O-Ring is designed for effective sealing in demanding applications. Constructed from VMQ (silicone rubber), it withstands high temperatures and various chemicals, making it suitable for automotive and industrial uses. With a hardness of 70, this O-ring ensures a secure fit and reliable performance. Its dimensions of 3.975" outer diameter and 0.210" cross-section allow for easy integration into existing systems. This product adheres to industry standards, ensuring long-lasting durability and effectiveness.