I can understand you want to replace auto led headlight bulbs 2011 silverado.

Because auto led headlight bulbs 2011 silverado are longer life time and brighter.

In this time, I will show you bulb size of auto led headlight bulbs 2011 silverado as below.

Auto led headlight bulbs 2011 silverado shall use h11 and 9005.

Most low beam of auto led headlight bulbs 2011 silverado are h11.

And high beam of auto led headlight bulbs 2011 silverado are 9005.

Due to we are manufacturer, the price of our auto led headlight bulbs 2011 silverado is very cheap.