FAN BLADE. The Sharp part number is NFANJA069WREZ This is a Genuine Sharp part, not aftermarket.

This part is also known as: SHANFANPB005MRE0, NFANPB005MRE0, SHANFANJA069WREZ, NFANJA069WREZ, B0FTS2YY7K

Does your part fit?

Many replacement parts look correct but won’t fit your model. This microwave part fits the following models:

Sharp:
R1850, R1852A, R1881LSY, R1851A, R1875, R1850A, R1871, R1852, R1880LST, R1851, R1874