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W21/5w Led Bulb 7443 12v 900lm Canbus Red
Car Lamps

W21/5w Led Bulb 7443 12v 900lm Canbus Red

The W21/5W LED bulb replaces W21W/5W and 7443 incandescent bulbs and emits red light. It has two brightness levels for rear position lights and brake lights, and can also be used in a rear fog light.

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The W21/5W LED bulb replaces W21W/5W and 7443 incandescent bulbs and emits red light. It has two brightness levels for rear position lights and brake lights, and can also be used in a rear fog light.

The 9 SMD 2835 LEDs provide a 360° beam angle and a luminous flux of 900 lm. CANBUS functionality prevents a bulb failure warning from appearing in vehicles...

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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

  • 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 LED bulb replaces W21W/5W and 7443 incandescent bulbs and emits red light. It has two brightness levels for rear position lights and brake lights, and can also be used in a rear fog light.

The 9 SMD 2835 LEDs provide a 360° beam angle and a luminous flux of 900 lm. CANBUS functionality prevents a bulb failure warning from appearing in vehicles with a CANBUS system. The bulb lights up regardless of the connection polarity.

  • Technology: LED
  • Type: W21/5W (7443)
  • Operating voltage: 12 V
  • Light color: Red
  • Luminous flux: 900 lm
  • Number of LEDs: 9
  • LED type: SMD 2835
  • Beam angle: 360°
  • Current at 12 V: 0.25 A at high brightness and 0.11 A at low brightness
  • CANBUS: Yes
  • Polarity: Non-polarized
  • Operating temperature: From -35 °C to +55 °C
  • Quantity: 1

Manufacturer

Manufacturer Details

Warnings & Safety Information
Vehicle
Auto
Type
W21/5W
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
-

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
Red
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.