46554943D Doosan OEM Drive Coupler

The 46554943D Doosan OEM Drive Coupler is an OEM elastomeric coupling specified for Doosan portable air compressor platforms. This coupler isolates torsional vibration between the engine and airend while transmitting consistent torque under varying load conditions.

Doosan portable units are built for demanding field environments where dust, temperature extremes, and constant cycling are normal operating conditions. The drive coupler absorbs the impact of rapid load changes when air demand fluctuates and cushions the drivetrain during cold starts. A worn element allows excessive radial play between hubs, which can accelerate seal wear on the compressor input shaft and cause premature bearing failure if not addressed.

The 46554943D is dimensionally identical to the factory-installed coupler and requires no modifications during installation. Clean all mating surfaces, inspect keyways on both shafts, and verify that the new element seats fully into both hubs before final assembly.

Ships same day from Stark Industrial Products when in stock.