Restore the manual precision and critical sealing of your commercial lever espresso machine with the genuine Cylinder Head Lever Group (Part # A.5.071). This complete OEM assembly is the core of the group head mechanism, featuring a precisely machined cylinder, piston housing, and all necessary internal components to ensure flawless extraction. Designed to withstand high pressure and temperature cycles, this replacement part resolves common issues like "why is my lever group leaking" or "how to fix inconsistent espresso shots on a lever machine." Installing a new cylinder head group is essential for maintaining the classic performance and rich espresso quality that lever machines are celebrated for. The Cylinder Head Lever Group (A.5.071) guarantees optimal hydraulic function, delivering smooth, consistent pre-infusion and pressure throughout the manual pull. Its robust construction ensures long-term reliability in high-volume café settings. If you’re experiencing "stiff lever operation" or "loss of pressure during espresso extraction," replacing the entire cylinder head assembly is the definitive solution, saving technician time compared to piecing together individual gaskets and seals. This group head component ensures that your machine performs within factory specifications, providing consistent temperature stability and the precise flow rate required for perfect espresso. This genuine OEM part is typically required during major refurbishments or when catastrophic failure occurs in the group head. By offering the complete A.5.071 assembly, Kaldi.com helps minimize downtime and ensures compatibility across specified lever-style models. Don’t compromise the integrity of your classic machine with non-OEM parts; trust this factory component to address "espresso machine lever group maintenance problems" and secure the longevity of your investment. Check your machine's manual for specific compatibility confirmation before purchasing.