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 Headlight 1985 – 1989, 1991 – 1995 H6054
Front Fog Light 1993 – 1995 H3-55W
Back Up Light 1985 – 1989, 1991 – 1995 1156
Brake 1985 – 1989, 1991 – 1995 1157
Dome Light 1985 – 1989, 1991 – 1992 DE3175
Front Side Marker 1985 – 1989, 1991 – 1995 194
Front Turn Signal 1985 – 1989, 1991 – 1995 1157
License Plate 1993 – 1995 168
1985 – 1989, 1991 – 1992 89
Parking Light 1985 – 1989, 1991 – 1995 1157
Rear Side Marker 1985 – 1989, 1991 – 1995 194
Rear Turn Signal 1985 – 1989, 1991 – 1995 1156
Tail Light 1985 – 1989, 1991 – 1995 1157
Center High Mount Stop Light 1985 – 1989, 1991 – 1992 1156
Courtesy 1993 – 1995 DE3021
Trunk 1993 – 1995 194
Low Beam Headlight 2003 – 2005 H7
High Beam Headlight 2003 – 2005 9005
High Beam and Low Beam Headlight 2000 – 2002 9003
Front Fog Light 2003 – 2005 9006
Back Up Light 2000 – 2005 7440
Brake 2000 – 2005 7443
Front Side Marker 2000 – 2005 194
Front Turn Signal 2000 – 2005 7440
License Plate 2000 – 2005 168
Parking Light 2000 – 2005 168
Rear Turn Signal 2003 – 2005 7440NA
2000 – 2002 PY21W
Tail Light 2000 – 2005 7443
Center High Mount Stop Light 2000 – 2005 168
Map Light 2000 – 2005 DE3175