The 2657936395 Atlas Copco OEM Drive Coupler is an original equipment coupling specified for select Atlas Copco portable compressor platforms.
Atlas Copco portable compressors operate in some of the toughest environments in construction and industry. The drive coupler protects the airend and engine from the torsional forces that naturally occur during operation – engine firing pulses, load changes, and the mechanical shock of starting under varying ambient conditions. A properly functioning coupler is essential to maintaining air delivery consistency and preventing accelerated wear on bearings and seals.
This coupler drops directly into the factory mounting position with no modifications required. During replacement, note the original coupling orientation, clean both shaft surfaces thoroughly, and follow Atlas Copco’s alignment procedure. Check for hub wear or shaft damage before installing the new coupling.
Available from Stark Industrial Products with fast shipping to compressor service operations.















