The Freudenberg-NOK OR 3.487" 90 NBR N903X seal is a high-quality sealing solution made from 90 durometer Nitrile Butadiene Rubber (NBR). This seal is specifically designed for applications requiring excellent oil and fuel resistance, making it ideal for both automotive and industrial uses. With a thickness of 0.103", it fits standard sizes perfectly, ensuring effective sealing and leak prevention. This product adheres to industry standards, guaranteeing reliability and performance in various demanding environments.