Hi, I am A. Stevens here to help with your question!
Here is the female charging jack for your Toshiba Satellite L510 - http://www.ebay.com/itm/NEW-DC-Power-Jack-Charging-Harness-Cable-TOSHIBA-SATELLITE-C655-L510-L515-/261486158671?hash=item3ce1ca234f
Here is a instructional video on how to open the chassis of your laptop so that you can replace this piece: https://www.youtube.com/watch?v=4iUVPcfNzKs
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