The New Holland 9966958 is a genuine OEM radiator cap designed to maintain the correct pressure within the cooling system of New Holland and Case IH agricultural machinery. This essential component helps prevent coolant loss and ensures efficient engine temperature regulation. It is compatible with a wide range of New Holland tractors (T4, T5, T6, T7, TD5 series), combines (CR, CX series), and balers (BB series), as well as Case IH Maxxum, Puma, Magnum, and Axial-Flow models. Measuring 95 mm in length, 95 mm in width, and 51 mm in height, with a weight of 0.12 kg, this cap provides a precise fit and reliable performance for your equipment.