The A21763T-335-ELEM Cornell OEM Coupling Element is the replaceable elastomeric insert for the A21763T-335 drive coupling in Cornell centrifugal pump systems. This is the flexible element only, providing torsional damping between the prime mover and pump shaft.
Element-only replacement is standard maintenance when the coupling hubs remain in serviceable condition. The A21763T element is specific to Verify the full part number including
During replacement, inspect both hubs for scoring, corrosion, or dimensional wear. Clean all mating surfaces and install the new element per Cornell’s procedure. Verify pump-to-driver alignment and confirm smooth pump operation at rated speed before returning to service.
Stark Industrial Products stocks Cornell coupling elements for pump maintenance operations.
















