Ensure your vehicle's lighting system is functioning optimally with this high-quality P21/4W 12V bulb from BOSCH. Engineered for durability and consistent performance, this bulb meets stringent automotive standards. This P21/4W 12V bulb is suitable for a range of applications where dual-filament bulbs are required, such as tail lights or brake lights. Its robust construction ensures longevity, providing dependable illumination when you need it most. Trust in BOSCH, a leading name in automotive components, to deliver parts that offer excellent value and performance. This bulb is a testament to their commitment to quality and innovation in vehicle lighting.