The Komatsu 20Y-979-3150 is a genuine OEM O-Ring designed for critical sealing applications in Komatsu heavy equipment. This high-quality O-Ring provides a reliable, leak-proof seal, essential for maintaining hydraulic system integrity and preventing fluid loss. With an inner diameter of 94.6 mm, an outer diameter of 100 mm, and a cross-section of 2.7 mm, it is manufactured to Komatsu's stringent specifications, ensuring optimal performance and durability. This O-Ring is suitable for a wide range of Komatsu excavators, wheel loaders, dozers, motor graders, and dump trucks, ensuring a precise fit and long-lasting service life in demanding operational environments.