The best replacement for timing belt is serpentine belt.

The best alternatives to timing belt are rated as following:
★★★★★  serpentine belt
★★★★  timing chain
★★★  chain
★★★  drive belt
★  chain honda accord
★  chain toyota corolla
★  alternator belt
★  cambelt
★  chain drive
★  timing gear
★  fan belt
  lead screw
  v belt
  fuel pump
  aftermarket
  serpentine
  timing change
  cam belt
  engine belt

Your alternative for timing belt is not listed? Suggest!
Speaking about timing belt, one probably shouldn't forget about tensioner.

Other search terms related to timing belt and their ratings are:
★★★★★ tensioner
You have in mind a companion for timing belt and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of timing belt in all years. Click on graph for more.
timing belt
serpentine belt
timing chain