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W21/5W LED Bulb 7443 12V Canbus 900lm Cold White
Car Lamps

W21/5W LED Bulb 7443 12V Canbus 900lm Cold White

The W21/5W 7443 LED bulb has a dual filament and is used as a position light, daytime running light or reversing light. Its 9 SMD 2835 LEDs emit cool white light with a color temperature of 5500 K and...

The W21/5W 7443 LED bulb has a dual filament and is used as a position light, daytime running light or reversing light. Its 9 SMD 2835 LEDs emit cool white light with a color temperature of 5500 K and a luminous flux of 900 lm.

The beam angle is 360°, and the bulb operates regardless of polarity. The integrated CANBUS electronics prevent a bulb failure...

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  • Technology

    LED

    LED bulbs offer high brightness and excellent energy efficiency, consuming less power compared to traditional bulbs. They are distinguished by their long lifespan and instant response, providing clear and strong visibility even in challenging conditions.
  • Type W21/5W, DRL

  • Color Temperature

    Colour temperature in lamps refers to how warm or cool the color is. 


    The warmth of light is measured in Kelvin; the lower the Kelvin rating, the more reddish the hues, and the higher the rating, the bluer the hues.


    Indicatively, lights with 3000 Kelvin are usually recommended for fog lights, lights with 4300-5000 Kelvin are usually recommended for driving lights, and from 6000 Kelvin and above are for a more distinctive style.

  • Voltage

    Voltage indicates the electrical current required for a lamp to function properly. Most car lamps operate at 12V, which is the standard voltage for most passenger vehicles. In trucks or heavy vehicles, 24V lamps are usually used.
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Description & Specifications

The W21/5W 7443 LED bulb has a dual filament and is used as a position light, daytime running light or reversing light. Its 9 SMD 2835 LEDs emit cool white light with a color temperature of 5500 K and a luminous flux of 900 lm.

The beam angle is 360°, and the bulb operates regardless of polarity. The integrated CANBUS electronics prevent a bulb failure warning from appearing in vehicles with a CANBUS system.

  • Technology: LED
  • Type: W21/5W, 7443
  • Use: Position lights, daytime running lights, reversing lights
  • Quantity: 1
  • Operating voltage: 10–15 V
  • Current at 12 V: 0.25 A on the brighter filament, 0.11 A on the dimmer filament
  • Luminous flux: 900 lm
  • Color temperature: 5500 K
  • Light color: Cool white
  • LEDs: 9 SMD 2835
  • Beam angle: 360°
  • Polarity: Non-polarized
  • CANBUS: Yes
  • Operating temperature: From -35 °C to +55 °C
  • Vehicle: Car
  • Certification: CE

Manufacturer

Manufacturer Details

Warnings & Safety Information
Vehicle
Auto
Type
W21/5W, DRL
Bulb Types
LED

Bulb Types

LED

LED bulbs offer high brightness and excellent energy efficiency, consuming less power compared to traditional bulbs. They are distinguished by their long lifespan and instant response, providing clear and strong visibility even in challenging conditions.
Power
-

Power

Indicates the power consumption of the lamp and is related to its brightness. It should always comply with the vehicle manufacturer's specifications to avoid overloading or malfunctions in the electrical system.
Colour Temperature
5500 K

Colour Temperature

Colour temperature in lamps refers to how warm or cool the color is. 


The warmth of light is measured in Kelvin; the lower the Kelvin rating, the more reddish the hues, and the higher the rating, the bluer the hues.


Indicatively, lights with 3000 Kelvin are usually recommended for fog lights, lights with 4300-5000 Kelvin are usually recommended for driving lights, and from 6000 Kelvin and above are for a more distinctive style.
Lighting Colour
Cold White
Voltage
12 V

Voltage

Voltage indicates the electrical current required for a lamp to function properly. Most car lamps operate at 12V, which is the standard voltage for most passenger vehicles. In trucks or heavy vehicles, 24V lamps are usually used.
Quantity
1 pcs
Canbus
Yes

Canbus

The bulb's consumption is monitored and the system recognizes if it is burnt out or not, sending indications to the dashboard. Consult your car manual for the minimum consumption required to avoid CAN Bus system failure.
Off Road
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.