Chevrolet Cobalt Bulb Size Guide

2005~2010 Chevrolet Chevy Cobalt Bulb Size Guide

When upgrading the stock halogen / incandescent lamps to led lighting bulbs, the bulb size guide will be much helpful, below are the bulb size guide for 2005~2010 Chevrolet Cobalt; yet it is for reference only, it is suggested to check the owner manual to confirm the bulb size guide is correct before purchasing.


  • ​High beam headlight and Low beam headlight: 9007
  • Fog light: H11 / H11LL
  • Front turn signal light ( blinker light)/ Parking light: 3457NAK / 3457A
  • Rear turn signal light / Brake light / Tail light: 3157 / 3157KX / 3157-SCK
  • Back-up reverse light: 921 / 921K
  • 3rd Brake light / Center high mount stop light: 921
  • License plate light / Tag light: 194 / W5W 
  • Interior Dome light: 561 / 562
  • Interior Map light: 2825 / 194 / 192
  • Trunk / Cargo area light : 168 ​​
  • Auto trans indicator Light: 37
  • Courtesy light: 212-2
  • Turn signal indicator light: 37
  • Front and rear side marker light: 192 / 194