When doing replacement or upgrading on 1971 – 2005 Toyota Celica GT GTS ST Supra, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight1994 – 1999 9006
1980 – 1981 H4656
1971 – 1978 H5006
2000 – 2002 H7
High Beam Headlight1994 – 2002 9005
1980 – 1981 H4651
1971 – 1978 H5001
High Beam and Low Beam Headlight1982 – 1993 H6054
Front Fog Light1987 – 2002 H3-55W
Back Up Light1973 – 1978, 1980 – 1999 1156
2000 – 2002 921
Brake1971 – 1978, 1980 – 1999 1157
2000 – 2002 7443
Dome Light1971 – 1978, 1980 – 1981, 1987 – 1993 DE3175
Front Side Marker1993 168
1978, 1987 – 1992, 1994 – 2002 194
1980 – 1986 67
1971 – 1977 97
Front Turn Signal1973 – 1974, 1982 – 1986 1156
1971 – 1972, 1975 – 1978, 1980 – 1981, 1987 – 1992, 1994 – 1999 1157
1993 2057
License Plate1993 – 2002 168
1971 – 1978, 1980 – 1992 89
Parking Light1971 – 1972, 1975 – 1978, 1980 – 1981, 1987 – 1992, 1994 – 1999 1157
2000 – 2002 168
1993 2057
1982 – 1986 67
1973 – 1974 97
Rear Side Marker1994 – 1999 1157
1978, 1982 – 1993 194
1980 – 1981 67
2000 – 2002 7443
1971 – 1977 97
Rear Turn Signal1973 – 1978, 1980 – 1999 1156
1971 – 1972 1157
2000 – 2002 7440
Tail Light1971 – 1978, 1980 – 1999 1157
2000 – 2002 7443
Front Inner Turn Signal2000 – 2002 PY21W
Front Outer Turn Signal2000 – 2002 194
Center High Mount Stop Light1987 – 1993 1156
1994 – 1999 921
Courtesy1994 – 1999 194
1982 – 1986 DE3022
1987 – 1992 DE3175
Glove Box1978, 1980 – 2002 74
Trunk1982 – 1986 168
2000 – 2002 DE3022
1987 – 1999 DE3175
Low Beam Headlight1979 H5006
2003 – 2005 H7
High Beam Headlight2003 – 2005 9005
1979 H5001
Front Fog Light2003 – 2005 H3-55W
Back Up Light1979 1156
2003 – 2005 921
Brake1979 1157
2003 – 2005 7443
Dome Light1979, 2003 – 2005 DE3175
Front Side Marker1979, 2003 – 2005 194
Front Turn Signal1979 1157
License Plate2003 – 2005 168
1979 89
Parking Light1979 1157
2003 – 2005 168
Rear Side Marker1979 194
2003 – 2005 7443
Rear Turn Signal1979 1156
2003 – 2005 7440NA
Tail Light1979 1157
2003 – 2005 7443
Front Inner Turn Signal2003 – 2005 PY21W
Front Outer Turn Signal2003 – 2005 194
Glove Box1979, 2003 – 2005 74
Map Light2003 – 2005 DE3175
Trunk2003 – 2005 DE3022
Low Beam Headlight1979 H4656
High Beam Headlight1979 H4651
Back Up Light1979 1156
Brake1979 1157
Front Side Marker1979 194
Front Turn Signal1979 1157
License Plate1979 89
Parking Light1979 1157
Rear Side Marker1979 194
Rear Turn Signal1979 1156
Tail Light1979 1157
Low Beam Headlight1979 H5006
High Beam Headlight1979 H5001
Back Up Light1979 1156
Brake1979 1157
Dome Light1979 DE3175
Front Side Marker1979 194
Front Turn Signal1979 1157
License Plate1979 89
Parking Light1979 1157
Rear Side Marker1979 194
Rear Turn Signal1979 1156
Tail Light1979 1157
Glove Box1979 74
Low Beam Headlight2003 – 2005 D2S
High Beam Headlight2003 – 2005 9005
Front Fog Light2003 – 2005 H3-55W
Back Up Light2003 – 2005 921
Brake2003 – 2005 7443
Dome Light2003 – 2005 DE3175
Front Side Marker2003 – 2005 194
License Plate2003 – 2005 168
Parking Light2003 – 2005 194
Rear Side Marker2003 – 2005 7443
Rear Turn Signal2003 – 2005 7440NA
Tail Light2003 – 2005 7443
Front Inner Turn Signal2003 – 2005 PY21W
Front Outer Turn Signal2003 – 2005 194
Glove Box2003 – 2005 74
Map Light2003 – 2005 DE3175
Trunk2003 – 2005 DE3022