The Freudenberg-NOK Dichtomatik N851R oil seal, with dimensions of 4.000" x 4.625", is engineered for high-performance sealing in various applications. Made from premium materials, this oil seal offers excellent resistance to oils and other fluids, ensuring long-lasting durability. The N851R model complies with industry standards, making it a trusted choice for preventing leaks and maintaining system efficiency. Ideal for both automotive and industrial applications, this oil seal is essential for protecting machinery from contamination and ensuring optimal operation.