35843937 Ingersoll Rand OEM Drive Coupler

The 35843937 Ingersoll Rand OEM Drive Coupler is an original equipment coupling used in Ingersoll Rand P185 portable air compressors. This elastomeric coupler connects the engine to the compressor airend, absorbing torsional vibration and compensating for shaft misalignment during operation.

The IR P185 is one of the most common towable compressors in construction and industrial service. These machines run hard in dusty, high-vibration environments, and the drive coupler takes the brunt of every engine start, load change, and transport cycle. A worn coupler shows up as increased vibration at the frame, unusual drivetrain noise, or inconsistent pressure output.

Part number 35843937 is a direct factory replacement. It matches the OEM elastomer specification, hub dimensions, and mounting configuration for the P185 platform. During installation, clean both shaft surfaces, inspect keyways for wear, and align hubs within factory tolerances before torquing hardware. Run the unit briefly after startup and verify vibration levels are within baseline.

Available from Stark Industrial Products with same-day shipping on in-stock units.