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⚡ The best WY5W bulbs in stock
Stock checked on October 6, 2026
The best WY5W bulbs in stock
PHINLION 194 LED Bulb Amber Yellow, 2827 T10 Side Marker Light, 6 Pack
4PCS T10 WY5W 194NA Bulb,12V 5W 2000K Car License Plate Lights
194A Amber T10 Incandescent Wedge Light Bulbs, 100 Pack
100 Pack 194A 194NA Bulb,T10 2825 168 158 12961 WY5W Auto Side Marker Light Bulbs 194 Amber 194nall Yellow…
WY5W 194NA T10 12V 5W Car Turn Signal Bulbs,2100K Natural Amber Automobile Lamps,Auto License Plate Light…
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Cars that use a WY5W 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 WY5W 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 WY5W bulb?
The WY5W is a 5 W, 12 V automotive bulb with a W2.1x9.5d base. It’s also sold as 194A and 2827.
Is the WY5W the same as the P27W?
No. Even if they look alike, each size has a different base (W2.1x9.5d on the WY5W) and won’t fit another size’s socket. Always buy the exact size your car takes.
Can I replace a WY5W 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).