The Fiat 71790587 is a genuine OEM EGR (Exhaust Gas Recirculation) valve designed for various New Holland, Case IH, and Steyr agricultural tractors and machinery. This critical component helps reduce nitrogen oxide emissions by recirculating a portion of the engine's exhaust gas back into the engine cylinders. It ensures optimal engine performance and compliance with emission standards. Confirmed fitment across numerous New Holland T-series, TD-series, and Case IH Farmall, Luxxum, Maxxum, Puma, Magnum, Steiger, Quadtrac, as well as Steyr Multi and Profi models.