The Honda CR-V tail light utilizes 7440, 921, P21/5W, and 7443 bulb sizes for various lighting applications across the different generations of the vehicle. Data for the specific components covers the range from 1997 through 2022 for the listed models.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The 7443 is the most widely used bulb type across the Honda CR-V lower tail light specifications, appearing across model years 1997-2016 for vehicles of Japanese origin or without a specified origin, as well as the 2001 model year onward through that range.
The 7443 is a dual-filament T20 wedge bulb rated at 12V with a 21W main filament and a 5W secondary filament, making it suitable for combined stop and tail light functions within a single housing.
The 168 bulb is specified for the Honda CR-V upper tail light across the 2007-2016 model years. It is a miniature T10 wedge bulb rated at 12V and 4.9W, a significantly lower wattage than the lower tail light bulbs.
For the 2021-2022 model years, the lower tail light specification shifts to the 7440, a single-filament T20 wedge bulb rated at 12V and 21W. Although the 7440 shares the same T20 wedge form factor as the 7443, it lacks the second filament, and the two types are not interchangeable in applications requiring dual-filament operation.
The 2019 model year lower tail light uses the 921, a T15 wedge bulb rated at 12V and 16W. The T15 base is physically smaller than the T20 used by the 7440 and 7443, which affects socket compatibility.
For model years 2002-2006, the Honda CR-V lower tail light specification diverges based on vehicle origin. Units sourced from Japan use the 7443, while units sourced from Great Britain use the P21/5W, reflecting different regional electrical standards.
The P21/5W is an ECE-standard dual-filament bulb rated at 12V, 21W/5W, functionally equivalent in wattage to the 7443 but fitted with a BAY15d bayonet base rather than a wedge base. The two bulb types are not physically interchangeable despite sharing the same wattage ratings.
The ANSI-standard bulbs listed in these specifications, including the 7443, 7440, 921, and 168, are primarily intended for vehicles sold in the United States and Canada, while the P21/5W follows ECE standards used across Europe and other international markets.