The best replacement for clay bar is polish.

The best alternatives to clay bar are rated as following:
★★★★★  polish
★★★★★  rubbing compound
★★★  wet sanding
★★★  buffing
★★★  polishing compound
★★★  cleaner wax
★★  clay block
★★  paint cleaner
★★  nanoskin
★  clay mitt
★  iron x
★  t-cut
★  clay cloth
★  t cut
★  cut and polish
★  clay bar
  mothers
  meguiars clay bar
  wet sand
  cleaner
  liquid clay bar
  scratch x

Your alternative for clay bar is not listed? Suggest!
Speaking about clay bar, one probably shouldn't forget about soapy water.

Other search terms related to clay bar and their ratings are:
★★★★★ soapy water
★★★ wax
★★ polish
You have in mind a companion for clay bar and it is not yet here? Propose!



Google Trends

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clay bar
polish
rubbing compound