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CAN-BUS WY21W 7440 LED Bulbs Turn Signal Lights 7440NAK

T20 7440 7443 LED Strobe Lights Performance

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Item #: 16897428

6000K Xenon WhiteAmber YellowPure Red
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About this item

CAN-Bus super bright WY21W 7440 LED bulbs turn signal lights replacement 7440NAK 7440AK blinker lights replacement, optional amber yellow/white/red upgrade for better vision and luxury upgrade.

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Polarity Sensitive

CK Compatible ?

Strobe ?

Optional Colors

Performance CREE-SMD high performance T20 wedge WY21W 7440 LED turn signal lights bulbs replacement 7440NA W21W 7440A from Alla Lighting upgrade dim incandescent or damaged front or rear turn signal lights bulbs for automotive cars, trucks, motorcycles for visions, safety and luxury improvement.

Due to LED bulbs draw much less power than stock lamps, extra LED resistors or LED flashers maybe required to avoid the signal hyper flash or error code.

Xtreme Super Bright WY21W 7440 LED Signal Lights Bulbs 7440NA Blinker

Xtreme Super Bright WY21W 7440 LED Signal Lights Bulbs 7440NA Blinker

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  • Features

  • Packages: Includes one pair (2pcs) CREE-SMD CAN-Bus WY21W 7440 LED signal lights bulbs, super bright 12V blinker lamps replacement for auto cars, trucks, motorcycles.
  • LED Chips: Each single filament WY21W 7440 LED signal lights bulb is equipped with 6pcs high power and high illumination CREE SMD chipsets.
  • Easy Fitment: T20 wedge single fitment LED WY21W 7440 turn signal lights bulbs, for most vehicles, just plug and play, easy installation. Yet for some vehicles, extra load resistors maybe required to avoid the signal hyper flash or error code.
  • Light Output: Each WY21W 7440 LED signal lights bulb light up to 1300 lumens, total 2600 lumens for both WY21W 7440 LED signal lights bulbs.
  • Color Options: 6000K xenon white/Amber Yellow/Pure Red
  • Cross reference number: 992, 7440, W21W, WY21W, 7440A, 7440NAK, 7441, etc.
  • Applications: Used for replacing halogen/incandescent turn signal lights ONLY for better vision and safer driving. 
  • Important Notice: Only compatible with the turn signal lights, for this WY21W 7440 LED bulbs are working under high power, and it can only be used as turn signal lights, not for any brake/DRL lights bulbs.
  • Lifespan: More than 30,000hrs in 25°C ambient. 
  • Specifications

Raw Lumens


Optional Colors

6000K White/Red/Amber Yellow

Base Type


CAN Bus ?




Beam Angle

360 degree

Current Draw

1.75A (1750mA)

Power Consumption


Operating Voltage

9V~14.8 VDC


Polarity Sensitive




Standard & CK Compatible ?




Life Span

30, 000 hours


12 Months

LED Chip Type

High power illumination CREE SMD

LED Quantity

6 pcs LEDS

Operating Temperature

-20~+40 °C (-4~+104 °F)

Cross Reference Number

7440. W21W, 7441, 7440NA, WY21W

  • Warranty

Alla Lighting warrants that its LED Conversion Kits will be free from defects in material and workmanship for ONE year from the date of purchase by the Original Purchaser. This warranty does not apply to any products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, act of nature, motor vehicle accidents or alterations.

For more details, please click here.

  • Package


  • One pair (2 pieces) CREE-SMD 21W Can-bus 7440 LED signal lights bulbs
  • Well packed in solid box
  • Shipping

Domestic (U.S.) Shipping

All domestic (U.S.) orders ship with USPS, and all orders will be shipped out within 24 working hours (except out of stock items), Free standard shipping.

All Orders will be shipped out within 24 working hours.

International Orders maybe charged customs clearance.

More details, please click here.

  • Vehicle Fitment

Check whether this bulb can fit your vehicle or not, check Bulb Size Guide for more details, please input your vehicle's Make, Year, Model, Qualifier, Applications to fast locate products options.

  • Accessories

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Customer Reviews

Based on 10 reviews
LUIS P. (United States)

CAN-BUS WY21W 7440 LED Bulbs Turn Signal Lights 7440NAK

James M. (United States)
Vehicle's information: 2016 Acura tlx
Great company

Had several questions. I always got answers and follow ups. Never felt like I was bothering them. Well made products as well.

Marius T. (United States)
Vehicle's information: 2016 Nissan Altima
Very bright

The bulb is very bright and due to the incorporated resistor it doesn’t hyper flash. Fits and works very well on a 2016 Altima. Alla makes great products

6690 W.C.Y. (United States)
Vehicle's information: Honda accord

CAN-BUS WY21W 7440 LED Bulbs Turn Signal Lights 7440NAK

That1Accord (United States)
Vehicle's information: 2008, Honda, Accord
Easy to install

The led turn signals are a lot brighter than the stock halogen bulbs and they don't have hyper flash

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