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Cadillac STS Bulb Size Guide

2005~2011 Cadillac STS 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 2005~2011 Cadillac STS; 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 : 9005 / 9005LL 
  • Low Beam headlight with halogen capsule headlamp: H11/ H11LL; for with HID headlamps: D1S
  • Fog light Bulb size: H3
  • Daytime running light ( DRL ) for 2005~2009 Cadillac STS: 3157 / 3157k / 3157A / 3157AK / 3157-SCK
  • Front turn signal light (blinker light) / Parking light: 3757A / 3757AK / 5702A / 3157-SCK; 
  • Rear turn signal light: LED
  • Brake light / Tail light: LED
  • Back-up reverse light: 3157 / 3157K / 3157-SCK
  • License plate light / Tag light: 2825 / 2825L
  • Interior Map light : PC175
  • Interior Dome light for 2005~2009 Cadillac STS: 212-2 ; for 2010~2011 Cadillac STS: PC175
  • Trunk / Cargo area light for 2010~2011 Cadillac STS: 211-2
  • 3rd Brake light/ Center high mount stop light: LED
  • Front and rear side marker light: 194 / 194NA / 2825 ​​
  • Courtesy light: 906

Vehicles includes: 2005, 2006, 2007, 2008, 2009, 2010, 2011 Cadillac STS