Atlas Copco 1635577600-01 Oil Stop Valve Kit Assembly

The Atlas Copco 1635577600-01 Oil Stop Valve Kit Assembly is an OEM replacement kit for oil-injected rotary screw air compressors that controls lubricant flow and prevents oil from draining back into the compressor element when shutdown. This oil stop valve opens to permit lubrication during operation and closes to stop oil migration at shutdown, protecting critical components and supporting reliable lubrication management in Atlas Copco rotary screw compressors. With alternate part number 1635577600 and an approximate weight of 1 kg, the kit is designed for maintenance, retrofit, and replacement installations across industrial applications including manufacturing facilities, process air systems, and automotive operations; common replacements include Atlas Copco 2901021700, 2901074500, and 2901108400.