The 46589179 Ingersoll Rand OEM Drive Coupler is a factory coupling for Ingersoll Rand portable rotary screw air compressors. This elastomeric coupler provides the engine-to-airend connection on IR towable compressor units used across construction, industrial, and rental fleet applications.
IR portable compressors are built for continuous operation on jobsites where reliability determines whether work proceeds on schedule. The drive coupler transmits diesel engine torque to the compressor airend while absorbing the vibration that would otherwise damage bearings, seals, and mounting hardware throughout the drivetrain. Compressors that spend their lives on rental fleets accumulate hours faster than owner-operated machines, making coupler condition a key inspection point during preventive maintenance cycles.
The 46589179 is a direct OEM replacement that installs without any modification to the existing mounting arrangement. Inspect both coupling hubs during service, clean all surfaces, and confirm alignment before returning the unit to operation.
In stock and ready to ship from Stark Industrial Products.























