Toyota GR Corolla Parking Light Bulb Size

The Toyota GR Corolla parking light requires a bulb size of 194 for the specific lighting component located on the exterior of the vehicle. Data for the bulb specifications covers the range from 2023 to 2024.

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	US Type	EU Type	Shop
2023-2024	194	W5W	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194	Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W.	W5W	Check Price

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Additional Notes

The T10 miniature wedge bulb, designated under ANSI standard 194, is the parking light bulb size for the Toyota GR Corolla across the 2023-2024 model years.
The 194 bulb operates at 12 volts with a power draw of 3.78 watts, placing it in the low-wattage category typical of parking and position lighting applications.
The T10 designation refers to the bulb's tubular envelope, with the wedge base design allowing direct insertion into a socket without a separate metal base or locking pins.
The 194 designation follows ANSI standardization, meaning the bulb specification is consistent across US and Canadian markets for this application.