The Ford/New Holland 87392809 is a genuine OEM 12V 40A relay designed for reliable electrical system operation in a wide range of agricultural and construction equipment. This high-quality relay ensures proper power distribution and circuit protection, essential for critical functions. It is compatible with numerous New Holland and Case IH models, including T4, T5, T6, T7, T8, T9 series tractors, Magnum, Puma, and Axial-Flow combines, providing precise fit and performance.