The John Deere R126014 O-Ring is an authentic OEM component designed to provide a secure and leak-free seal in hydraulic and fluid systems across a wide range of John Deere machinery. Manufactured to precise specifications, this O-ring features an inside diameter of 20.29 mm, an outside diameter of 26.06 mm, and a cross-section of 2.87 mm. It ensures optimal performance and durability, maintaining system integrity in demanding operating conditions. Essential for maintenance and repair, it helps prevent fluid loss and contamination in models such as 4044R, S670, and R4045.