The 3057NA automotive bulb is a dual beam lamp that utilizes a filament technology. It is commonly used as a replacement part for brake lights, turn signals, and tail lights. The bulb has two filaments, one for the parking light and one for the brake light/turn signal. It is compatible with both reflector and projector headlights.
3057NA Light Bulb
BULB CROSS REFERENCE
The 3057NA light bulb family is interchangeable with the following bulbs
The name of the bulb is deciphered as follows: "30" refers to the wattage (30 watts), "57" refers to the bulb's shape and size, and "NA" indicates that it has a natural amber color.
The bulb has a P27/7W base and operates at 12 volts with a nominal power of 8.26 watts. It produces 402 lumens of brightness and has a color temperature of 2700 kelvins. The usual lifespan of the 3057NA bulb is around 2 years.
This bulb is interchangeable with other bulbs such as the 3157NA, 3457NA, and 4157NA. It is important to check your vehicle's manual or consult with a professional to ensure compatibility before replacing any bulbs.