The New Holland 47447771 O-ring is an authentic OEM sealing component designed for a wide range of New Holland agricultural and construction machinery. This high-quality O-ring features an inner diameter of 15.6 mm, an outer diameter of 20.6 mm, and a thickness of 2.5 mm, providing a precise and durable seal. It is crucial for maintaining hydraulic system integrity and preventing leaks in compatible equipment, including T6000, T7, T8, T9 series tractors, CX and CR series combines, LM series telehandlers, and BB series balers.