When doing replacement or upgrading on 1992 – 2010 Lexus SC300 SC400 SC430, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight1992 – 2000 9006
High Beam Headlight1992 – 2000 9005
Front Fog Light1994 – 2000 H3-55W
Back Up Light1992 – 1996 1156
1997 – 2000 7440
Brake1994 – 1996 1156
1992 – 1993 1157
1997 – 2000 7440
Dome Light1992 – 2000 DE3175
Front Side Marker1992 – 2000 194
Front Turn Signal1992 – 2000 1157
License Plate1992 – 2000 168
Parking Light1992 – 2000 168
Rear Side Marker1992 – 2000 168
Rear Turn Signal1992 – 1996 1156
1997 – 2000 7440
Tail Light1992 – 1993 1157
1994 – 2000 168
Center High Mount Stop Light1992 – 2000 921
Glove Box1992 – 2000 74
Interior Door1992 – 2000 DE3022
Stepwell1994 – 2000 37
Trunk1992 – 2000 194
Low Beam Headlight1992 – 2000 9006
High Beam Headlight1992 – 2000 9005
Front Fog Light1994 – 2000 H3-55W
Back Up Light1992 – 1996 1156
1997 – 2000 7440
Brake1994 – 1996 1156
1992 – 1993 1157
1997 – 2000 7440
Dome Light1992 – 2000 DE3175
Front Side Marker1992 – 2000 194
Front Turn Signal1992 – 2000 1157
License Plate1992 – 2000 168
Parking Light1992 – 2000 168
Rear Side Marker1992 – 2000 168
Rear Turn Signal1992 – 1996 1156
1997 – 2000 7440
Tail Light1992 – 1993 1157
1994 – 2000 168
Center High Mount Stop Light1992 – 2000 921
Glove Box1992 – 2000 74
Interior Door1992 – 2000 DE3022
Stepwell1994 – 2000 37
Trunk1992 – 2000 194
Low Beam Headlight2002 – 2005 D2S
2006 – 2010 D4S
High Beam Headlight2002 – 2010 9005
Front Fog Light2002 – 2010 H3-55W
Back Up Light2002 – 2010 7440
Brake2002 – 2005 7443
Dome Light2002 – 2003 DE3175
Front Side Marker2002 – 2010 194
Front Turn Signal2006 – 2010 3457NA
2002 – 2005 7440NA
License Plate2002 – 2005 194
Parking Light2002 – 2005 168
2006 – 2010 3357NA
Rear Side Marker2002 – 2010 194
Rear Turn Signal2002 – 2005 7440
2006 – 2010 7440NA
Tail Light2002 – 2005 7443
Glove Box2002 – 2010 37
Interior Door2002 – 2010 194
Map Light2002 – 2003 DE3175
Stepwell2002 – 2010 74
Trunk2002 – 2010 194