Lexus GS300 Turn Signal Bulb Size
The Lexus GS300 front turn signal uses bulb sizes 7444NA, 7440NA, or 7440, while the rear turn signal requires 7440NA, 7440, or 1156 depending on production specifications. The replacement chart covers 1993 through 2019 model years with corresponding bulb size data.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
| Years | Bulb Size |
|---|---|
| 2018-2019 | 7444NA (With LED Headlamps) |
| 2005-2006 | 7440NA |
| 1998-2004 | 7440 |
| 1997 | 1034NA |
| 1995-1996 | 1157NA |
| 1993-1994 | 1034NA |
Rear Turn Signal
| Years | Bulb Size |
|---|---|
| 2005-2006 | 7440NA |
| 1998-2004 | 7440 |
| 1993-1997 | 1156 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W. | 7444NA |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20), natural amber glass. 12V, 21W. | 7440NA |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |