When doing replacement or upgrading on 1985 – 2005 Toyota MR2 Spyder, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

High Beam and Low Beam Headlight1985 – 1989, 1991 – 1995 H6054
Front Fog Light1993 – 1995 H3-55W
Back Up Light1985 – 1989, 1991 – 1995 1156
Brake1985 – 1989, 1991 – 1995 1157
Dome Light1985 – 1989, 1991 – 1992 DE3175
Front Side Marker1985 – 1989, 1991 – 1995 194
Front Turn Signal1985 – 1989, 1991 – 1995 1157
License Plate1993 – 1995 168
1985 – 1989, 1991 – 1992 89
Parking Light1985 – 1989, 1991 – 1995 1157
Rear Side Marker1985 – 1989, 1991 – 1995 194
Rear Turn Signal1985 – 1989, 1991 – 1995 1156
Tail Light1985 – 1989, 1991 – 1995 1157
Center High Mount Stop Light1985 – 1989, 1991 – 1992 1156
Courtesy1993 – 1995 DE3021
Trunk1993 – 1995 194
Low Beam Headlight2003 – 2005 H7
High Beam Headlight2003 – 2005 9005
High Beam and Low Beam Headlight2000 – 2002 9003
Front Fog Light2003 – 2005 9006
Back Up Light2000 – 2005 7440
Brake2000 – 2005 7443
Front Side Marker2000 – 2005 194
Front Turn Signal2000 – 2005 7440
License Plate2000 – 2005 168
Parking Light2000 – 2005 168
Rear Turn Signal2003 – 2005 7440NA
2000 – 2002 PY21W
Tail Light2000 – 2005 7443
Center High Mount Stop Light2000 – 2005 168
Map Light2000 – 2005 DE3175