When doing replacement or upgrading on 1996 – 2018 GMC Savana 1500 2500 3500 4500 with beam capsule halogen headlamps sealed, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 1996 – 2014 9006
High Beam Headlight 1996 – 2014 9005
Back Up Light 1996 – 2002 1156
2003 – 2014 3157
Brake 1996 – 2002 2057
2003 – 2014 3157
Dome Light 2003 – 2014 211-2
1996 – 2002 578
Front Side Marker 1996 – 2014 194
Front Turn Signal 1996 – 2002 2057
2003 – 2014 3157
License Plate 1996 – 2014 194
Parking Light 1996 – 2002 2057NA
2003 – 2014 3157
Rear Turn Signal 1996 – 2002 2057
2003 – 2014 3157
Tail Light 1996 – 2002 2057
2003 – 2014 3157
Luggage Compartment 2003 – 2014 578
Center High Mount Stop Light 1996 – 2014 912
Engine Compartment Light 2003 – 2014 578
Glove Box 1996 – 2014 194
Map Light 1996 – 2002 561
2003 – 2014 578
High Beam and Low Beam Headlight 1996 – 2014 H6054
Back Up Light 1996 – 2002 1156
2003 – 2014 3157
Brake 1996 – 2002 2057
2003 – 2014 3157
Dome Light 2003 – 2014 211-2
1996 – 2002 578
Front Side Marker 1996 – 2014 194
Front Turn Signal 1996 – 2002 2057
2003 – 2014 3157
License Plate 1996 – 2014 194
Parking Light 1996 – 2002 2057NA
2003 – 2014 3157
Rear Turn Signal 1996 – 2002 2057
2003 – 2014 3157
Tail Light 1996 – 2002 2057
2003 – 2014 3157
Luggage Compartment 2003 – 2014 578
Center High Mount Stop Light 1996 – 2014 912
Engine Compartment Light 2003 – 2014 578
Glove Box 1996 – 2014 194
Map Light 1996 – 2002 561
2003 – 2014 578
Low Beam Headlight 1996 – 2018 9006
High Beam Headlight 1996 – 2018 9005
Back Up Light 1996 – 2002 1156
2003 – 2018 3157
Brake 1996 – 2002 2057
2003 – 2018 3157
Dome Light 2003 – 2018 211-2
1996 – 2002 578
Front Side Marker 1996 – 2018 194
Front Turn Signal 1996 – 2002 2057
2003 – 2018 3157
License Plate 1996 – 2018 194
Parking Light 1996 – 2002 2057NA
2003 – 2018 3157
Rear Turn Signal 1996 – 2002 2057
2003 – 2018 3157
Tail Light 1996 – 2002 2057
2003 – 2018 3157
Luggage Compartment 2003 – 2018 578
Center High Mount Stop Light 1996 – 2018 912
Engine Compartment Light 2003 – 2018 578
Glove Box 1996 – 2018 194
Map Light 1996 – 2002 561
2003 – 2018 578
High Beam and Low Beam Headlight 1996 – 2018 H6054
Back Up Light 1996 – 2002 1156
2003 – 2018 3157
Brake 1996 – 2002 2057
2003 – 2018 3157
Dome Light 2003 – 2018 211-2
1996 – 2002 578
Front Side Marker 1996 – 2018 194
Front Turn Signal 1996 – 2002 2057
2003 – 2018 3157
License Plate 1996 – 2018 194
Parking Light 1996 – 2002 2057NA
2003 – 2018 3157
Rear Turn Signal 1996 – 2002 2057
2003 – 2018 3157
Tail Light 1996 – 2002 2057
2003 – 2018 3157
Luggage Compartment 2003 – 2018 578
Center High Mount Stop Light 1996 – 2018 912
Engine Compartment Light 2003 – 2018 578
Glove Box 1996 – 2018 194
Map Light 1996 – 2002 561
2003 – 2018 578
Low Beam Headlight 1996 – 2018 9006
High Beam Headlight 1996 – 2018 9005
Back Up Light 1996 – 2002 1156
2003 – 2018 3157
Brake 1996 – 2002 2057
2003 – 2018 3157
Dome Light 2003 – 2018 211-2
1996 – 2002 578
Front Side Marker 1996 – 2018 194
Front Turn Signal 1996 – 2002 2057
2003 – 2018 3157
License Plate 1996 – 2018 194
Parking Light 1996 – 2002 2057NA
2003 – 2018 3157
Rear Turn Signal 1996 – 2002 2057
2003 – 2018 3157
Tail Light 1996 – 2002 2057
2003 – 2018 3157
Luggage Compartment 2003 – 2018 578
Center High Mount Stop Light 1996 – 2018 912
Engine Compartment Light 2003 – 2018 578
Glove Box 1996 – 2018 194
Map Light 1996 – 2002 561
2003 – 2018 578
High Beam and Low Beam Headlight 1996 – 2018 H6054
Back Up Light 1996 – 2002 1156
2003 – 2018 3157
Brake 1996 – 2002 2057
2003 – 2018 3157
Dome Light 2003 – 2018 211-2
1996 – 2002 578
Front Side Marker 1996 – 2018 194
Front Turn Signal 1996 – 2002 2057
2003 – 2018 3157
License Plate 1996 – 2018 194
Parking Light 1996 – 2002 2057NA
2003 – 2018 3157
Rear Turn Signal 1996 – 2002 2057
2003 – 2018 3157
Tail Light 1996 – 2002 2057
2003 – 2018 3157
Luggage Compartment 2003 – 2018 578
Center High Mount Stop Light 1996 – 2018 912
Engine Compartment Light 2003 – 2018 578
Glove Box 1996 – 2018 194
Map Light 1996 – 2002 561
2003 – 2018 578
Low Beam Headlight 2009 – 2018 9006
High Beam Headlight 2009 – 2018 9005
Dome Light 2009 – 2018 211-2
Front Side Marker 2009 – 2018 194
Front Turn Signal 2009 – 2018 3157
Parking Light 2009 – 2018 3157
Engine Compartment Light 2009 – 2018 578
Glove Box 2009 – 2018 194
Map Light 2009 – 2018 578
High Beam and Low Beam Headlight 2009 – 2018 H6054
Dome Light 2009 – 2018 211-2
Front Side Marker 2009 – 2018 194
Front Turn Signal 2009 – 2018 3157
Parking Light 2009 – 2018 3157
Engine Compartment Light 2009 – 2018 578
Glove Box 2009 – 2018 194
Map Light 2009 – 2018 578