The best replacement for bumper is fender.

The best alternatives to bumper are rated as following:
★★★★★  fender
★★★★  bumper cover
★★★  case
★★  no bumper
★  gooseneck
★  case nexus 4
★  case iphone
  powertrain
  regular bumper
  breathable crib bumper
  no crib bumper
  case for nexus 4
  crib liner
  roll pan
  original bumper
  snap case

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

Other search terms related to bumper and their ratings are:
★★★★★ winch
★★★ tire carrier
★★★ brush guard
★★ hitch receiver
★ bull bar
★ skid plate
diffuser
brush guards
You have in mind a companion for bumper and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of bumper in all years. Click on graph for more.
bumper
fender
bumper cover