Looking for a place to buy certified overhauled mechanical tach for a pa28. Any suggestions? It is an easa aircraft so must have easa papers.
Why not buy new? Look at simple mechanical tach prices. Aircraft Spruce and EU agent firms. They state certication.
After that, the usual source for avionics is South East Aerospace.
In the UK there are various resellers e.g. Saywell, Adams, etc.
Note that an installer will likely charge you more if you supply your own parts, because he’s not making the reseller discount on them.