IS300 Bulb Sizes

Low beam headlamp
HID-D2R, 4300k color temperature

High beam headlamp
9005

Parking light
168

Front turn signal
992 (7440A)

Rear turn signal
7507A (I squeezed an 1156 in there)

Tail light
7443

Stop light
7443

High mount stop light
921

Fog/Driving light
9006 (2003+ H3-55w)

License plate
168

Back up light
7440

Front sidemarker**
168 (2003+ 194)

Rear sidemarker**
168 (2003+ 194)

Glove box
37

Dome light
DE3175

Step/Courtesy light
194
DE3021

Trunk/Cargo area
194

Instrument-general
194

Map Light
BA9

Instrument cluster
3 – #194 Wedge Bulbs
2 – #24 Wedge Bulbs

AshTray Light
1 – #2721

Ignition Ring
1 – #24 Wedge Bulb

**sidemarker bulbs (168 and 194) are interchangeable.