The 6678996A1 is a genuine OEM oil seal, a critical component designed for a wide range of McCormick, Case IH, and New Holland agricultural tractors. This durable seal ensures proper sealing, preventing oil leaks and maintaining optimal performance and longevity of your machinery. With precise dimensions including an inner diameter of 45 mm, an outer diameter of 65 mm, and a thickness of 10 mm, it provides a perfect fit for specified applications, guaranteeing reliable operation.