A21802B-335-ELEM Cornell Pump OEM Drive Coupler

The A21802B-335-ELEM Cornell OEM Coupling Element is the replaceable elastomeric insert for the A21802B-335 coupling in Cornell centrifugal pump systems. This larger-format element serves the A21802 coupling class, which handles the higher torque demands of Cornell’s larger pump platforms.

In the A21802 size range, the coupling element handles significant torsional loads – these are high-horsepower pump installations where element quality directly affects drivetrain reliability. Using the OEM-specified element ensures the correct durometer and bonding characteristics for the application’s torque and vibration profile. Aftermarket elements that don’t match the original specification can result in improper damping and shortened service life.

During replacement, inspect the A21802 hubs thoroughly – at this size class, hub replacement is expensive, so catching early wear before it becomes critical saves money. Clean all surfaces, install the new element per Cornell’s procedure, and verify alignment.

In stock at Stark Industrial Products for shipping to pump maintenance operations.