The 75104381 O-Ring is engineered with an outer diameter of 0.364 inches and a cross-section of 0.070 inches, made from high-performance FKM material. Rated at 75 durometer hardness, this O-Ring provides excellent sealing capabilities in demanding applications. FKM is known for its superior resistance to heat, chemicals, and environmental factors, making it suitable for automotive and industrial use. This O-Ring meets stringent industry standards, ensuring a reliable seal that enhances system performance and prevents leaks, contributing to the longevity of your equipment.