Atlas Copco 1616725781 Air End Assembly OIS N-02

The Atlas Copco 1616725781 is a genuine OIS N-02 service element designed as the low-pressure stage air end for Atlas Copco portable oil-injected screw compressors. It features the proprietary SAP rotor profile for optimized compression efficiency and thermal stability. The assembly comprises precision-machined rotors housed in an aluminum casing with integrated bearing and sealing systems. This part supersedes to 1616725791 and forms the first stage of the dual-element short block assembly 9822199548 paired with the 1616761280 (OIS J-34) high-pressure stage. Manufactured in Belgium to OEM tolerances for direct fitment on XRHS, XRS, XRV, and XAS series mobile compressors.