When doing replacement or upgrading on 1991 – 2002 Infiniti G20, the bulb size guide is necessary for you to take the reference.

 

1991 – 2002 Infiniti G20 Bulb Size Guide
High Beam and Low Beam Headlight	1999 – 2002	9003
	1991 – 1996	9004
Front Fog Light	1991 – 1996	H3-55W
Back Up Light	1991 – 1996	1156
	1999 – 2002	921
Brake	1991 – 1996	1157
	1999 – 2002	7443
Dome Light	1991 – 1996	194
	1999 – 2002	DE3175
Front Side Marker	1991 – 1996, 1999 – 2002	194
Front Turn Signal	1991 – 1996	1156NA
	1999 – 2002	7440
License Plate	1991 – 1996, 1999 – 2002	168
Parking Light	1999 – 2002	168
	1991 – 1996	194
Rear Side Marker	1991 – 1996, 1999 – 2002	194
Rear Turn Signal	1991 – 1996	1156
	1999 – 2002	7440
Tail Light	1991 – 1996	1157
	1999 – 2002	7443
Center High Mount Stop Light	1999 – 2002	7440
	1991 – 1996	912
Courtesy	1991 – 1996	73
Trunk	1991 – 1996, 1999 – 2002	158