The New Holland 83912600 is a genuine OEM oversize exhaust valve designed for a wide range of New Holland agricultural and industrial equipment. This critical engine component ensures proper exhaust gas flow and optimal engine performance. With an overall length of 95 mm, a head diameter of 51 mm, and a stem diameter of 9.5 mm, it is engineered for precise fitment and durability. This valve is a direct replacement for New Holland part numbers F0NN6505AA and 87800923, ensuring compatibility and reliable operation across various tractor, combine, forage harvester, and loader models.