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 Headlight 2007 – 2013 H11
High Beam Headlight 2007 – 2013 9005
Front Fog Light 2007 – 2013 PS24WFF
Back Up Light 2007 – 2013 7441
Brake 2011 – 2013 3047
2007 – 2010 3057
Daytime Running Light 2007 – 2013 3157
Dome Light 2007 – 2013 212-2
Front Side Marker 2007 – 2013 194
Front Turn Signal 2010 – 2013 3157
2007 – 2009 4157NA
License Plate 2007 – 2013 168
Parking Light 2010 – 2013 3157
2007 – 2009 4157
Rear Side Marker 2007 – 2013 194
Rear Turn Signal 2011 – 2013 3047
2007 – 2010 3057
Tail Light 2011 – 2013 3047
2007 – 2010 3057
Luggage Compartment 2007 – 2013 921
Map Light 2007 – 2013 12961
Low Beam Headlight 2002 – 2005 9006
High Beam Headlight 2002 – 2005 9005
Front Fog Light 2002 – 2005 9145
Back Up Light 2002 – 2005 3157
Brake 2002 – 2005 3157
Daytime Running Light 2002 – 2005 4114
Dome Light 2002 – 2005 578
Front Side Marker 2002 – 2005 194
Front Turn Signal 2002 – 2005 4157
License Plate 2002 – 2005 194
Parking Light 2002 – 2005 4157
Rear Turn Signal 2002 – 2005 3157
Tail Light 2002 – 2005 3157
Luggage Compartment 2002 – 2005 578
Courtesy 2002 – 2005 74
Door Mirror Illumination Light 2002 – 2005 578
Glove Box 2002 – 2005 194
Interior Door 2002 – 2005 194
Map Light 2002 – 2005 578
Roof Marker 2002 – 2005 194
Low Beam Headlight 2002 – 2005 9006
High Beam Headlight 2002 – 2005 9011
Front Fog Light 2002 – 2005 881
Back Up Light 2002 – 2005 3157
Brake 2002 – 2005 3157
Daytime Running Light 2002 – 2005 4114
Dome Light 2002 – 2005 578
Front Side Marker 2002 – 2005 194
Front Turn Signal 2002 – 2005 4157
License Plate 2002 – 2005 194
Parking Light 2002 – 2005 4157
Rear Turn Signal 2002 – 2005 3157
Tail Light 2002 – 2005 3157
Luggage Compartment 2002 – 2005 578
Courtesy 2002 – 2005 74
Door Mirror Illumination Light 2002 – 2005 578
Glove Box 2002 – 2005 194
Interior Door 2002 – 2005 194
Map Light 2002 – 2005 578
Roof Marker 2002 – 2005 194
Low Beam Headlight 2006 9006
High Beam Headlight 2006 9005
Front Fog Light 2006 881
Back Up Light 2006 3157
Brake 2006 3157
Daytime Running Light 2006 4114
Dome Light 2006 578
Front Side Marker 2006 194
Front Turn Signal 2006 4157
License Plate 2006 194
Parking Light 2006 4157
Rear Turn Signal 2006 3157
Tail Light 2006 3157
Luggage Compartment 2006 578
Courtesy 2006 74
Door Mirror Illumination Light 2006 578
Glove Box 2006 194
Interior Door 2006 194
Map Light 2006 578
Roof Marker 2006 194
Low Beam Headlight 2002 – 2005 9006
High Beam Headlight 2002 – 2005 9005
Front Fog Light 2002 – 2005 9145
Back Up Light 2002 – 2005 3157
Brake 2002 – 2005 3157
Daytime Running Light 2002 – 2005 4114
Dome Light 2002 – 2005 578
Front Side Marker 2002 – 2005 194
Front Turn Signal 2002 – 2005 4157
License Plate 2002 – 2005 194
Parking Light 2002 – 2005 4157
Rear Turn Signal 2002 – 2005 3157
Tail Light 2002 – 2005 3157
Luggage Compartment 2002 – 2005 578
Courtesy 2002 – 2005 74
Door Mirror Illumination Light 2002 – 2005 578
Glove Box 2002 – 2005 194
Interior Door 2002 – 2005 194
Map Light 2002 – 2005 578
Roof Marker 2002 – 2005 194
Low Beam Headlight 2002 – 2005 9006
High Beam Headlight 2002 – 2005 9011
Front Fog Light 2002 – 2005 881
Back Up Light 2002 – 2005 3157
Brake 2002 – 2005 3157
Daytime Running Light 2002 – 2005 4114
Dome Light 2002 – 2005 578
Front Side Marker 2002 – 2005 194
Front Turn Signal 2002 – 2005 4157
License Plate 2002 – 2005 194
Parking Light 2002 – 2005 4157
Rear Turn Signal 2002 – 2005 3157
Tail Light 2002 – 2005 3157
Luggage Compartment 2002 – 2005 578
Courtesy 2002 – 2005 74
Door Mirror Illumination Light 2002 – 2005 578
Glove Box 2002 – 2005 194
Interior Door 2002 – 2005 194
Map Light 2002 – 2005 578
Roof Marker 2002 – 2005 194
Low Beam Headlight 2006 9006
High Beam Headlight 2006 9005
Front Fog Light 2006 881
Back Up Light 2006 3157
Brake 2006 3157
Daytime Running Light 2006 4114
Dome Light 2006 578
Front Side Marker 2006 194
Front Turn Signal 2006 4157
License Plate 2006 194
Parking Light 2006 4157
Rear Turn Signal 2006 3157
Tail Light 2006 3157
Luggage Compartment 2006 578
Courtesy 2006 74
Door Mirror Illumination Light 2006 578
Glove Box 2006 194
Interior Door 2006 194
Map Light 2006 578
Roof Marker 2006 194