The Freudenberg-NOK OR 3.987" 0.103" 90 FKM V904Z O-Ring is engineered for superior sealing performance in various applications. Constructed from high-quality FKM material, it provides exceptional resistance to heat, chemicals, and wear. With an outer diameter of 3.987 inches and a cross-section of 0.103 inches, this O-Ring is designed to meet stringent industry standards. It is ideal for use in automotive, aerospace, and industrial settings, ensuring a reliable seal that withstands high pressures and temperatures.