This is a genuine Dell replacement Direct Current Input Jack with Cable for the Inspiron 15R (5537),5521, 3521, and Latitude 3540 Laptops.
Compatible Dell Laptops;
Inspiron 15R (5521)
Inspiron 15 (3521)
Inspiron 15R ( 5537)
Inspiron M531R (5535)
Inspiron 15 (3537)
Inspiron 15 (3531)
Latitude 3540
DPart Number: YF81X