INFINITI QX4 Tail Light Bulb Size
The INFINITI QX4 tail light utilizes 1157, 7440, and 7443 bulb sizes for various lighting functions. Data for the specified vehicle components covers the range from 1997 through 2003.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Size |
|---|---|
| 2002-2003 | 7443 |
| 2001 | 7440 |
| 2000 | 7443 (With HID Headlamps) |
| 7440 (With Halogen Capsule Headlamps) | |
| 1999 | 7443 (With HID Headlamps) |
| 1157 (With Halogen Capsule Headlamps) | |
| 1997-1998 | 1157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20). 12V, 21W/5W. | 7443 |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 |