?Quality Item? Each Item will be Tested One by One and 100% Working before Packing and Shipping
?Compatibility?CPU Cooling Fan Compatible for Dell Inspiron 15-3537 15R-5537 17R-5721 17R-5737 M531R-5535 M731R-5735 17-3737 15-3521 15R-5521, 74X7K 074X7K DC28000C8F0
Compatible part number:74X7K 074X7K DC28000C8F0
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