The Claas 0013023630 is a genuine OEM NBR O-RING designed for sealing applications in Claas agricultural machinery. This high-quality O-ring features an inner diameter of 17.17 mm and a thickness of 1.8 mm, resulting in an outer diameter of 20.77 mm, ensuring a reliable and durable seal. Manufactured from Nitrile Butadiene Rubber (NBR), it provides excellent resistance to oils, fuels, and hydraulic fluids, making it suitable for demanding operational environments.