The H6054 automotive bulb is a rectangular shaped bulb commonly used as a replacement part for headlights. It utilizes halogen technology and is a dual beam lamp with two filaments. It is typically used in reflector headlights and has a nominal power of 12 volts and 60/55 watts. The H6054 bulb has a life span of approximately 2 years. Its name is deciphered as follows: H stands for halogen, 60/55 represents the wattage of the high and low beams respectively, and 4 refers to the shape of the bulb. The H6054 bulb uses a P43t base. Its specs include 1650 lumens and a color temperature of 3200K. It is interchangeable with other bulb types such as the H4 and 9003.