The Fiat 5179557 is a genuine TN65 M22x15 male quick coupling designed for hydraulic systems in agricultural machinery. This original equipment manufacturer (OEM) part is compatible with a wide range of Fiat and New Holland tractors, ensuring a fast, reliable, and secure connection for hydraulic implements. With a thread size of M22x15, a length of 95 mm, and a weight of 0.12 kg, it is built to precise specifications for optimal performance and durability across various models.