PY21W Light Bulb


The PY21W automotive light bulb is a highly efficient and reliable lighting solution for various cars and vehicles. It is a single filament bulb that provides bright and clear illumination, making it an ideal choice for turn signals, brake lights, and parking lights. 


The PY21W light bulb family is interchangeable with the following bulbs

This bulb has a wattage of 21 watts and a voltage of 12 volts, making it an energy-efficient option that can save you money on your car's battery. It produces 420 lumens of light output, ensuring maximum visibility and safety while driving. The bulb is designed with a standard BAU15s base, which is compatible with other bulbs such as 7507, 1156, 1141, and 1073.

The dimensions of the PY21W bulb are 1.77 inches in length and 0.67 inches in diameter, making it a compact and easy-to-install option for various car models. It is a durable and long-lasting bulb that can withstand high temperatures and vibrations, ensuring reliable performance even in harsh driving conditions.

Typically, the PY21W bulb is installed in the front and rear turn signal lights, brake lights, and parking lights of various car models such as Audi, BMW, Mercedes-Benz, and Volkswagen. It is also commonly used in other vehicles such as motorcycles, trucks, and trailers.