The O-Ring Under Solenoid is a critical component designed for reliable sealing in various applications. This specific O-ring is required in sets of four, ensuring optimal performance and durability. Made from high-quality rubber, it provides excellent resistance to wear and tear, making it suitable for hydraulic and pneumatic systems. The dimensions are tailored to fit standard solenoid valves, ensuring a snug fit that prevents leaks. This O-ring meets industry standards for quality and reliability, making it an essential part for maintenance and repair tasks.