The New Holland 87388221 is an authentic OEM sealing ring designed for a wide range of New Holland and Case IH agricultural and construction machinery. This high-quality sealing component ensures a secure, leak-free seal, critical for maintaining the integrity and performance of hydraulic systems, transmissions, and other vital assemblies. Manufactured to precise specifications, it guarantees durability and a perfect fit, preventing fluid loss and protecting internal components from contaminants. Confirmed dimensions include an inner diameter of 30 mm, an outer diameter of 40 mm, and a thickness of 5 mm.