The New Holland 439861 Annular Seal is a genuine OEM component designed for critical sealing applications across a wide range of New Holland agricultural and construction equipment. This high-quality seal, also referred to as an O-ring, features an inner diameter of 40.92 mm, an outer diameter of 46.5 mm, and a thickness of 2.62 mm. It is engineered to provide a secure, leak-proof fit, maintaining system integrity and preventing fluid loss in compatible New Holland tractors, combines, balers, loaders, and other machinery. Trust this authentic CNH part for optimal performance and durability.