Sharp R930 Series Microwave / Convection Turntable Coupling Turntable / drive coupling for Sharp brand microwave convection models listed below. This piece fits onto the turntable motor shaft and engages the roller wheel assembly. THIS PART ONLY WORKS IN CERTAIN MODELS. BEFORE ORDERING, PLEASE CHECK COMPATIBILITY WITH YOUR MODEL BY LOCATING YOUR MODEL NUMBER IN THE LIST BELOW Replaces Sharp part numbers : NCPL-A021WRF0 and NCPL-A058WRFZ