When doing replacement or upgrading on 2002 – 2013 Chevrolet Avalanche 1500 2500 with halogen capsule headlamps infra-red headlamp, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight2007 – 2013 H11
High Beam Headlight2007 – 2013 9005
Front Fog Light2007 – 2013 PS24WFF
Back Up Light2007 – 2013 7441
Brake2011 – 2013 3047
2007 – 2010 3057
Daytime Running Light2007 – 2013 3157
Dome Light2007 – 2013 212-2
Front Side Marker2007 – 2013 194
Front Turn Signal2010 – 2013 3157
2007 – 2009 4157NA
License Plate2007 – 2013 168
Parking Light2010 – 2013 3157
2007 – 2009 4157
Rear Side Marker2007 – 2013 194
Rear Turn Signal2011 – 2013 3047
2007 – 2010 3057
Tail Light2011 – 2013 3047
2007 – 2010 3057
Luggage Compartment2007 – 2013 921
Map Light2007 – 2013 12961
Low Beam Headlight2002 – 2005 9006
High Beam Headlight2002 – 2005 9005
Front Fog Light2002 – 2005 9145
Back Up Light2002 – 2005 3157
Brake2002 – 2005 3157
Daytime Running Light2002 – 2005 4114
Dome Light2002 – 2005 578
Front Side Marker2002 – 2005 194
Front Turn Signal2002 – 2005 4157
License Plate2002 – 2005 194
Parking Light2002 – 2005 4157
Rear Turn Signal2002 – 2005 3157
Tail Light2002 – 2005 3157
Luggage Compartment2002 – 2005 578
Courtesy2002 – 2005 74
Door Mirror Illumination Light2002 – 2005 578
Glove Box2002 – 2005 194
Interior Door2002 – 2005 194
Map Light2002 – 2005 578
Roof Marker2002 – 2005 194
Low Beam Headlight2002 – 2005 9006
High Beam Headlight2002 – 2005 9011
Front Fog Light2002 – 2005 881
Back Up Light2002 – 2005 3157
Brake2002 – 2005 3157
Daytime Running Light2002 – 2005 4114
Dome Light2002 – 2005 578
Front Side Marker2002 – 2005 194
Front Turn Signal2002 – 2005 4157
License Plate2002 – 2005 194
Parking Light2002 – 2005 4157
Rear Turn Signal2002 – 2005 3157
Tail Light2002 – 2005 3157
Luggage Compartment2002 – 2005 578
Courtesy2002 – 2005 74
Door Mirror Illumination Light2002 – 2005 578
Glove Box2002 – 2005 194
Interior Door2002 – 2005 194
Map Light2002 – 2005 578
Roof Marker2002 – 2005 194
Low Beam Headlight2006 9006
High Beam Headlight2006 9005
Front Fog Light2006 881
Back Up Light2006 3157
Brake2006 3157
Daytime Running Light2006 4114
Dome Light2006 578
Front Side Marker2006 194
Front Turn Signal2006 4157
License Plate2006 194
Parking Light2006 4157
Rear Turn Signal2006 3157
Tail Light2006 3157
Luggage Compartment2006 578
Courtesy2006 74
Door Mirror Illumination Light2006 578
Glove Box2006 194
Interior Door2006 194
Map Light2006 578
Roof Marker2006 194
Low Beam Headlight2002 – 2005 9006
High Beam Headlight2002 – 2005 9005
Front Fog Light2002 – 2005 9145
Back Up Light2002 – 2005 3157
Brake2002 – 2005 3157
Daytime Running Light2002 – 2005 4114
Dome Light2002 – 2005 578
Front Side Marker2002 – 2005 194
Front Turn Signal2002 – 2005 4157
License Plate2002 – 2005 194
Parking Light2002 – 2005 4157
Rear Turn Signal2002 – 2005 3157
Tail Light2002 – 2005 3157
Luggage Compartment2002 – 2005 578
Courtesy2002 – 2005 74
Door Mirror Illumination Light2002 – 2005 578
Glove Box2002 – 2005 194
Interior Door2002 – 2005 194
Map Light2002 – 2005 578
Roof Marker2002 – 2005 194
Low Beam Headlight2002 – 2005 9006
High Beam Headlight2002 – 2005 9011
Front Fog Light2002 – 2005 881
Back Up Light2002 – 2005 3157
Brake2002 – 2005 3157
Daytime Running Light2002 – 2005 4114
Dome Light2002 – 2005 578
Front Side Marker2002 – 2005 194
Front Turn Signal2002 – 2005 4157
License Plate2002 – 2005 194
Parking Light2002 – 2005 4157
Rear Turn Signal2002 – 2005 3157
Tail Light2002 – 2005 3157
Luggage Compartment2002 – 2005 578
Courtesy2002 – 2005 74
Door Mirror Illumination Light2002 – 2005 578
Glove Box2002 – 2005 194
Interior Door2002 – 2005 194
Map Light2002 – 2005 578
Roof Marker2002 – 2005 194
Low Beam Headlight2006 9006
High Beam Headlight2006 9005
Front Fog Light2006 881
Back Up Light2006 3157
Brake2006 3157
Daytime Running Light2006 4114
Dome Light2006 578
Front Side Marker2006 194
Front Turn Signal2006 4157
License Plate2006 194
Parking Light2006 4157
Rear Turn Signal2006 3157
Tail Light2006 3157
Luggage Compartment2006 578
Courtesy2006 74
Door Mirror Illumination Light2006 578
Glove Box2006 194
Interior Door2006 194
Map Light2006 578
Roof Marker2006 194