WT21W, WTY21W

WT21W LED bulb
The WT21W LED bulb is a dual-filament model , designed primarily for applications requiring dual lighting functions, such as turn signal and position lights , or position and daytime running lights in headlights. It is widely used in passenger cars and vans, where it serves as a versatile solution combining turn signal or daytime running lights with position lighting. Its compact design makes it ideal for headlights with limited space. Its durability and vibration resistance make it a reliable choice for drivers seeking performance in everyday driving.