When doing replacement or upgrading on 1988 – 1999 Chevrolet K1500 Suburban with 4 rectangular headlamps 2 halogen capsule sealed beam, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

 

Low Beam Headlight1988 – 1991H4703
High Beam Headlight1988 – 1991H4701
Front Fog Light1988 – 1991H3-55W
Back Up Light1988 – 19891156
1990 – 19913156
Brake1988 – 19892057
1990 – 19913057
Dome Light1988 – 1989211-2
1990 – 1991578
Front Side Marker1988 – 1989194
Front Turn Signal1988 – 19912357NA
License Plate1988 – 1991194
Parking Light1988 – 19912357
Rear Turn Signal1988 – 19892057
1990 – 19913057
Tail Light1988 – 19892057
1990 – 19913057
Courtesy1988 – 19911003
Engine Compartment Light1990 – 19911156
Glove Box1990 – 1991194
Radio Display1988 – 19911893
High Beam and Low Beam Headlight1988 – 1991H6054
Front Fog Light1988 – 1991H3-55W
Back Up Light1988 – 19891156
1990 – 19913156
Brake1988 – 19892057
1990 – 19913057
Dome Light1988 – 1991211-2
Front Side Marker1988 – 1989194
Front Turn Signal1988 – 19912357NA
License Plate1988 – 1991194
Parking Light1988 – 19912357
Rear Turn Signal1988 – 19892057
1990 – 19913057
Tail Light1988 – 19892057
1990 – 19913057
Courtesy1988 – 19911003
Engine Compartment Light1990 – 19911156
Glove Box1990 – 1991194
Radio Display1988 – 19911893
Low Beam Headlight1990 – 19999006
High Beam Headlight1990 – 19999005
Front Fog Light1999894
1990 – 1991, 1993 – 1998H3-55W
Back Up Light19991156
1990 – 19923156
Brake1990 – 19923057
Dome Light1992 – 1998211-2
1990 – 1991, 1999578
Front Side Marker1990 – 1999194
Front Turn Signal1994 – 19972357
1990 – 1991, 1993, 1998 – 19992357NA
19923057
License Plate1990 – 1999194
Parking Light1990 – 1991, 1993 – 19992357
19923057
Rear Turn Signal1990 – 19923057
Tail Light1990 – 19923057
Luggage Compartment1993 – 1998912
1999921
Center High Mount Stop Light1993 – 1999921
Courtesy1990 – 19911003
Engine Compartment Light1990 – 19911156
Glove Box1990 – 1991, 1993 – 1999194
Map Light1993, 1998168
1994 – 1997194
Radio Display1990 – 19911893
High Beam and Low Beam Headlight1992 – 1999H6054
Front Fog Light1999880
1993 – 1998H3-55W
Back Up Light19991156
19923156
Brake19923057
Dome Light1992 – 1998211-2
1999578
Front Side Marker1992 – 1999194
Front Turn Signal1995 – 19982357
1993 – 1994, 19992357NA
19923057
License Plate1992 – 1999194
Parking Light1993 – 19992357
19923057
Rear Turn Signal19923057
Tail Light19923057
Luggage Compartment1993 – 1998912
1999921
Center High Mount Stop Light1993 – 1999921
Glove Box1993 – 1999194
Map Light1993 – 1998168
Low Beam Headlight1992 – 19999006
High Beam Headlight1992 – 19999005
Front Fog Light1993 – 1999H3-55W
Back Up Light1992 – 19993156
Brake1992 – 19993057
Dome Light1992 – 1997211-2
1998 – 1999578
Front Side Marker1992 – 1999194
Front Turn Signal1993 – 19992357NA
19923057NA
License Plate1992, 1995 – 1999194
Parking Light19922057
1993 – 19992357
Rear Side Marker1995 – 1999194
1993 – 19943057
Rear Turn Signal1992 – 19993057
Tail Light1992 – 19993057
Engine Compartment Light1995 – 199712814
Glove Box1995 – 1999194
Map Light1994 – 1999168
1993194
High Beam and Low Beam Headlight1992 – 1999H6054
Front Fog Light1993 – 1999H3-55W
Back Up Light1992 – 19993156
Brake1992 – 19993057
Dome Light1992 – 1999211-2
Front Side Marker1992 – 1999194
Front Turn Signal19922057
1993 – 19992357NA
License Plate1992, 1995 – 1999194
Parking Light19922057
1993 – 19992357
Rear Side Marker1995 – 1999194
1993 – 19943057
Rear Turn Signal19922057
1993 – 19993057
Tail Light1992 – 19993057
Engine Compartment Light1995 – 199712814
Glove Box1995 – 1999194
Map Light1993 – 1999168