Is it possible to claim a refund since I was paying tax from 2008 until 2011?

I was paying tax for from 2008 until 2011 and I didnt take my refund so I want to ask if possible to claim my refund?

You need to fie a Tax Return in order to see if you have overpaid tax to SARS and are therefore due a refund from them.
Please let TaxTim assist you to complete and submit your Tax Return.

Some more information that may be helpful is below.
Returns, Rebates and Refunds