The Toyota RAV4 Prime front turn signal uses a 2357NA bulb size while the rear turn signal requires a 7440NA bulb size. The replacement chart covers vehicle production years from 2021 to 2024 with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Toyota RAV4 Prime uses the 2357NA bulb for the front turn signal across the 2021-2024 model years.
The 2357NA is a dual-filament bulb, meaning it serves two lighting functions within a single housing. It operates on a BAY15d bayonet base at 12V, with filaments rated at 26.9W and 8W respectively.
The natural amber glass of the 2357NA produces its amber turn signal color directly from the glass envelope rather than from a colored lens, which is the defining characteristic of the "NA" designation in the ANSI naming convention.
The 2357NA meets ANSI standards applicable in both the United States and Canada.
The rear turn signal on the RAV4 Prime uses the 7440NA bulb across the 2021-2024 model years.
The 7440NA is a single-filament T20 wedge bulb, operating at 12V and rated at 21W. Its wedge base design differs from the BAY15d bayonet base of the 2357NA, making the two bulbs physically incompatible with each other.
Like the 2357NA, the 7440NA carries the "NA" designation, indicating natural amber glass construction, and conforms to ANSI standards for the US and Canadian markets.
Because the front position uses a dual-filament bulb and the rear uses a single-filament bulb, the two positions have distinct electrical and physical requirements that prevent cross-fitment between them.