A21802P-335 Cornell Pump OEM Drive Coupler

The A21802P-335 Cornell OEM Drive Coupler is a coupling for Cornell Pump Company centrifugal pump systems. The A21802 series serves Cornell’s larger pump platforms used across agriculture, mining, municipal water management, and industrial processing.

Installing the correct variant is critical – a coupler with the wrong stiffness or hub dimensions can cause vibration issues that damage the pump’s mechanical seal, which is the highest-cost wear item in a centrifugal pump system.

During replacement, document the existing coupling’s configuration before removal. Clean both shaft ends, inspect hub bores for wear, and align the new coupling per Cornell’s specifications using dial indicators. Improper alignment is the leading cause of premature coupling and seal failure in centrifugal pump applications.

Available from Stark Industrial Products with fast shipping to pump service operations.