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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2018-2019 | 7444NA (With LED Headlamps) | WY21/5W | Check Price |
| 2005-2006 | 7440NA | WY21W | Check Price |
| 1998-2004 | 7440 | W21W | Check Price |
| 1997 | 1034NA | 1034NA | Check Price |
| 1995-1996 | 1157NA | P21/5W | Check Price |
| 1993-1994 | 1034NA | 1034NA | Check Price |
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2005-2006 | 7440NA | WY21W | Check Price |
| 1998-2004 | 7440 | W21W | Check Price |
| 1993-1997 | 1156 | P21W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W. | 7444NA | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20), natural amber glass. 12V, 21W. | 7440NA | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |