Wouldn't it be better to find out why the speedo has stopped working? If you change that and the fault isn't in the old one, you have wasted your money.
May one respectfully suggest you do what you should have done before posting here - do a Google search that describes your symptoms.
For instance, I found this that may be invaluable:
http://www.renaultforums.co.uk/17-electronics/12419-renault-megane-1-speedo-not-working.html
It simple enough
http://bit.ly/23NAhhy
Anon
April 2016
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