7443NA Topic


The 7443NA automotive bulb is a dual beam lamp that utilizes halogen technology. It has two filaments and a wedge-type base (P27/7W). The nominal power is 12 volts and 21/5 watts. This bulb can be used as a replacement for brake lights, turn signals, and tail lights. It is commonly used in both projector and reflector headlights. The usual lifespan of this bulb is around 1-2 years. The name 7443NA is deciphered as follows: 74 refers to the bulb's diameter in millimeters, 43 refers to the bulb's length in millimeters, NA indicates that it meets North American standards. The bulb produces 440/40 lumens and has a color temperature of 2700K. It is interchangeable with other bulb types such as 7443, 7444, and 7440.


The 7443NA light bulb family is interchangeable with the following bulbs