When doing replacement or upgrading on 1982 – 2004 Chevrolet S10 Blazer Xtreme Base LS ZR2 ZR5 without digital inst. cluster with halogen capsule headlamps 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 Headlight1998 – 2004 9006
High Beam Headlight1998 – 2004 9005
High Beam and Low Beam Headlight1982 – 1990 H6054
Front Fog Light1999 – 2003 880
1998 – 2004 881
Back Up Light1982 – 1990 1156
1998 – 2004 3057
Brake1982 – 1990 1157
1998 – 2004 3057
Dome Light1998 – 2001 211-2
2002 – 2004 562
1987 – 1990 578
Front Side Marker1982 – 1990, 1998 – 2001 194
2002 – 2004 194NA
Front Turn Signal1982 – 1990 1157
2002 – 2004 3157
1998 – 2001 3157NA
License Plate1998 – 2001 168
2002 – 2004 192
1987 – 1990 194
1982 – 1986 67
Parking Light1982 – 1990 1157
1998 – 2004 3157
Rear Side Marker1982 – 1990, 1998 – 2004 194
Rear Turn Signal1982 – 1990 1157
1998 – 2004 3057
Tail Light1982 – 1990 1157
1998 – 2004 3057
Luggage Compartment1998 – 2004 211-2
Center High Mount Stop Light1998 – 2004 211-2
Courtesy1982 – 1986 1003
1987 – 1990 168
1998 – 2001 912
Engine Compartment Light1987 – 1990, 1998 – 2001 1156
Glove Box1987 – 1990 1003
1998 – 2004 194
Map Light1998 – 2001 168
1987 – 1990 194
2002 – 2004 212-2
High Beam and Low Beam Headlight1991 – 1993 H6054
Front Fog Light1991 – 1993 H3-55W
Back Up Light1991 – 1993 1156
Brake1991 – 1993 2057
Dome Light1991 – 1993 578
Front Side Marker1991 – 1993 194
Front Turn Signal1991 – 1993 2057
License Plate1991 – 1993 194
Parking Light1991 – 1993 2057
Rear Turn Signal1991 – 1993 2057
Tail Light1991 – 1993 2057
Engine Compartment Light1991 – 1993 1156
Glove Box1991 – 1993 1003
Map Light1991 – 1993 194
Stepwell1991 – 1993 168
High Beam and Low Beam Headlight1991 – 1993 H6054
Front Fog Light1991 – 1993 H3-55W
Back Up Light1991 – 1993 1156
Brake1991 – 1993 2057
Dome Light1991 – 1993 578
Front Side Marker1991 – 1993 194
Front Turn Signal1991 – 1993 2057
License Plate1991 – 1993 194
Parking Light1991 – 1993 2057
Rear Turn Signal1991 – 1993 2057
Tail Light1991 – 1993 2057
Engine Compartment Light1991 – 1993 1156
Glove Box1991 – 1993 1003
Map Light1991 – 1993 194
Stepwell1991 – 1993 168
Low Beam Headlight1994 – 1997 9006
High Beam Headlight1994 – 1997 9005
Front Fog Light1994 H3-55W
Back Up Light1994 – 1997 3057
Brake1994 – 1997 3057
Dome Light1994 211-2
1995 – 1997 212-2
Front Side Marker1994 – 1997 194
Front Turn Signal1994 – 1997 3157NA
License Plate1994 – 1997 194
Parking Light1994 – 1997 3157
Rear Turn Signal1994 – 1997 3057
Tail Light1994 – 1997 3057
Engine Compartment Light1994 – 1997 1156
Map Light1994 212-2
High Beam and Low Beam Headlight1994 – 1997 H4666
Front Fog Light1994 H3-55W
Back Up Light1994 – 1997 3057
Brake1994 – 1997 3057
Dome Light1995 – 1997 212-2
1994 578
Front Side Marker1994 – 1997 194
Front Turn Signal1994 – 1997 3157NA
License Plate1994 – 1997 194
Parking Light1994 – 1997 3157
Rear Turn Signal1994 – 1997 3057
Tail Light1994 – 1997 3057
Engine Compartment Light1994 – 1997 1156
Map Light1994 212-2
High Beam and Low Beam Headlight1983 – 1990 H6054
Back Up Light1983 – 1990 1156
Brake1983 – 1990 1157
Front Side Marker1983 – 1990 194
Front Turn Signal1983 – 1990 1157
License Plate1987 – 1990 194
1983 – 1986 67
Parking Light1983 – 1990 1157
Rear Side Marker1983 – 1990 194
Rear Turn Signal1983 – 1990 1157
Tail Light1983 – 1990 1157
Courtesy1983 – 1986 1003
1987 – 1990 168
Engine Compartment Light1987 – 1990 1156
Glove Box1987 – 1990 1003
Map Light1987 – 1990 194
High Beam and Low Beam Headlight1991 – 1994 H6054
Front Fog Light1991 – 1994 H3-55W
Back Up Light1991 – 1994 1156
Brake1991 – 1994 2057
Front Side Marker1991 – 1994 194
Front Turn Signal1991 – 1994 2057
License Plate1994 67
Parking Light1991 – 1994 2057
Rear Turn Signal1991 – 1994 2057
Tail Light1991 – 1994 2057
Engine Compartment Light1991 – 1994 1156
Glove Box1991 – 1993 1003
Map Light1991 – 1993 194
High Beam and Low Beam Headlight1991 – 1994 H6054
Front Fog Light1991 – 1994 H3-55W
Back Up Light1991 – 1994 1156
Brake1991 – 1994 2057
Front Side Marker1991 – 1994 194
Front Turn Signal1991 – 1994 2057
License Plate1994 67
Parking Light1991 – 1994 2057
Rear Turn Signal1991 – 1994 2057
Tail Light1991 – 1994 2057
Engine Compartment Light1991 – 1993 1156
1994 93
Glove Box1991 – 1993 1003
Map Light1991 – 1993 194