Toyota RAV4 Prime Trunk Bulb Size

The Toyota RAV4 Prime trunk bulb uses a 194 size bulb for the specified vehicle production years. The replacement chart contains bulb size specifications covering 2021 through 2024 model years.

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
2021-2024	194

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194

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Additional Notes

The Toyota RAV4 Prime uses the 194 bulb size for the trunk across the 2021-2024 model years.
The 194 bulb is classified under the ANSI standard, which is the governing specification body for automotive lighting in the United States and Canada.
It belongs to the T10 form factor, a miniature wedge-base bulb type that seats without a separate socket lock, relying instead on the tension of two wire leads pressed into a wedge-shaped base.
The 194 operates at 12 volts, consistent with the standard electrical system voltage found in conventional and hybrid passenger vehicles.
Its rated wattage of 3.78W places it in the low-power category, typical of interior and cargo area lighting where sustained illumination at minimal draw is the primary function.
The T10 wedge base is a widely shared platform, meaning the 194 is physically interchangeable with several other bulb numbers that share the same base type, though wattage and brightness may differ between those alternatives.