The 277745A1 is a genuine OEM hydraulic fitting designed for a wide range of agricultural and construction machinery. This essential component ensures secure and leak-free connections within hydraulic systems, maintaining optimal fluid flow and pressure. Compatible with McCormick CX series, Case IH CX, JX, MXM, MXU, Puma, Quantum, and STX series, New Holland T, TD, TL, TS, and TV series, and Steyr STX series tractors. Manufactured to precise specifications for durability and reliable performance in demanding operating conditions. Verify fitment with your specific machine model.