When doing replacement or upgrading on 1990 – 2005 Mazda Miata, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 2001 – 2005 9006
High Beam Headlight 2001 – 2005 9005
High Beam and Low Beam Headlight 1990 – 1992 6014
1999 – 2000 9003
1993 – 1997 H6024
Front Fog Light 2004 – 2005 9006
2001 – 2003 H1
Back Up Light 1990 – 1997 1156
1999 – 2005 7440
Brake 1990 – 1997 1157
1999 – 2005 7443
Dome Light 1999 – 2005 DE3175
Front Side Marker 1990 – 1997, 1999 – 2005 194
Front Turn Signal 1990 – 1997, 1999 – 2005 1157
License Plate 1999 – 2003 168
2004 – 2005 194
1990 – 1997 89
Parking Light 1990 – 1997, 1999 – 2005 1157
Rear Side Marker 1990 – 1997 194
Rear Turn Signal 1990 – 1997 1156
1999 – 2000 7440
2001 – 2005 7440NA
Tail Light 1990 – 1997 1157
1999 – 2005 7443
Center High Mount Stop Light 1999 – 2005 1156
1990 – 1997 921
Courtesy 1993 – 1997 DE3175
Glove Box 1993 – 1997 194
Trunk 1993 – 1997 168