The John Deere R79140 Packing Seal is a genuine OEM component designed for use in hydraulic cylinders across a wide range of John Deere agricultural and construction machinery. This critical seal ensures a tight fit, preventing hydraulic fluid leakage and maintaining system pressure for efficient operation. Manufactured to John Deere's rigorous standards, it provides reliable performance and durability, essential for maintaining the integrity of hydraulic systems. Confirmed dimensions include a length of 22.86 mm, width of 22.86 mm, and height of 2.54 mm, with a weight of 0.0045 kg.