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⚡ The best W16W bulbs in stock
Stock checked on October 6, 2026
The best W16W bulbs in stock
AUXITO 921 LED Bulb Reverse Light, Super Bright 912 906 904 916 W16W T15 LED Bulb with Projector Canbus Error…
Alla Lighting 912 921 LED Bulbs for Back-up Reverse Lights, 6000K Xenon White CAN-BUS 4014 30-SMD T10 T15 906…
SEALIGHT 912 921 LED Bulb Reverse Light 500% Super Bright T15 Reverse Light Bulb 3030-SMD Chipsets Canbus…
SEALIGHT 921 LED Bulb Reverse Light, W16W 912 906 T15 Backup Light 1000% Brighter Super Bright 921 Bulbs with…
iBrightstar 921 LED Bulb White, T15 912 LED Reverse Light Bulbs Super Bright for Parking Backup Turn Signal…
SEALIGHT 2026 Latest 921 LED Bulb, 700% Super Bright 912 T15 Led Reverse Light, Canbus Error Free 906 904 916…
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Cars that use a W16W bulb
We don’t have any cars with this bulb in our English database yet. Search for your car to see all its bulbs.
Which W16W to buy: standard, brighter or long life
- Standard: the classic incandescent bulb; cheap and no dashboard warnings.
- LED: whiter light and lower power draw. On turn signals and brake lights they can cause hyperflash or bulb-out warnings: choose CANbus versions or add load resistors.
- Long life: handy where bulbs are hard to reach (tail lights or dome lights).
To confirm which bulb each light on your car uses, follow the methods in how to find out which bulb your car takes.
Signal & interior bulbs
Frequently asked questions
What is a W16W bulb?
The W16W is a 16 W, 12 V automotive bulb with a W2.1x9.5d base. It’s also sold as T15, 921, 912 and 955.
Is the W16W the same as the P27/7W?
No. Even if they look alike, each size has a different base (W2.1x9.5d on the W16W) and won’t fit another size’s socket. Always buy the exact size your car takes.
Can I replace a W16W with an LED?
Yes, LEDs are common for turn signals, parking, license plate and dome lights. Pick CANbus versions or use load resistors to avoid hyperflash and bulb-out warnings, and keep the correct color (amber for turn signals, red for brake lights).