The Bosch Pure Light PY21W is a high-quality automotive bulb designed to provide reliable and efficient lighting for various vehicle applications. Operating at 12 volts with a power rating of 21 watts, this bulb features the PY21W base type, making it suitable for specific automotive lighting fixtures. The PY21W bulb is commonly used for turn signal lights, indicator lights, and other front and rear lighting applications. It offers a bright and focused light output, ensuring excellent visibility and safety on the road. The Bosch Pure Light PY21W is engineered for a precise fit and easy installation, making it compatible with a wide range of vehicle models. As with all Bosch products, the Pure Light PY21W is built to Bosch's high standards of quality and durability, ensuring long-lasting and dependable performance