The best replacement for crankshaft is camshaft.

The best alternatives to crankshaft are rated as following:
★★★★★  camshaft
★★★  camshaft rotation
★★★  camshaft sensor
★★  drive shaft
★  nodular iron
★  camshaft position sensor
★  forged
★  cast
  cast steel crankshaft
  cross plane
  cast crankshaft
  callies
  eagle

Your alternative for crankshaft is not listed? Suggest!
Speaking about crankshaft, one probably shouldn't forget about piston.

Other search terms related to crankshaft and their ratings are:
★★★★★ piston
★★★★ roller bearings
★★ bearings
You have in mind a companion for crankshaft and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of crankshaft in all years. Click on graph for more.
crankshaft
camshaft
camshaft rotation