Dishwasher Upper Rotor Assembly DD8201421A (DW3000Mm) Direct Replacement Description: A direct replacement upper rotor assembly designed to restore proper spray action and water distribution in compatible dishwashers. This service assembly corresponds to part number DD8201421A and model DW3000Mm. It is supplied in retail packaging and intended for use as a part, not as an original equipment manufacturer item. Key benefits: Restores cleaning performance by reestablishing full rotation of the upper spray arm for even water coverage. Simple direct replacement designed to fit without modification in compatible models, making repairs quick and practical. Built for reliable operation under normal dishwasher conditions to reduce the need for repeat repairs. Features: Replacement part number: DD8201421A. Model reference: DW3000Mm. Designed for upper rotor function that supports the upper spray arm rotation. condition, ready for installation. Compatibility: Fits the following dishwasher models (compatibility reference only): DW80M2020US/AA DW80N3030UB/AA DW80N3030US/AA DW80N3030UW/AA DW80R2031UB/AA DW80R2031UG/AA DW80R2031US/AA DW80R2031UW/AA Use scenarios: a cracked or worn upper rotor that causes the upper spray arm to stop rotating or to wobble. a dishwasher with uneven cleaning on rack items to restore normal spray distribution. Service and maintenance parts inventory for technicians who perform routine dishwasher repairs. Notes: This is not an OEM product. Manufacturer names and model numbers are provided for identification and compatibility only and do not imply affiliation or endorsement. Verify your dishwasher model and part number before ordering to ensure proper fit and function.