EW and some weapon system, yes. About radar, I don’t think Israel has been able to install its own radars on its entire F-16/F-15 fleets, though I’d guess that’s more an issue of military aid financing politics.
https://www.flightglobal.com/news/articles/israel-selects-raytheon-radar-for-f-15i-fleet-432590/
thanks, you learn something new every day don’t you? Especially on this forum:)