W21W T20 LED Dual Color White Yellow 7440 Turn Signal Light WY21W Bulb Taillight
W21W / WY21W / T20. 7440 / 7440A / 7440NA / 7440SV / 7441. Tower-style design with wedge base for easy plug-and-play installation. The bulb shows white color when parking lights are on and signals amber when turn signals are in use.