Overview Reviews Similar Products –> Product Description 6V 21W single filament bulb. Most commonly used bulb in taillights, also found in some headlights. Check your size and base before ordering, this bulb has many fitments and uses. BA15s or 1156 Base. Same bulb type. Replacement for Puch # 41163002 Made in Taiwan Product Videos Custom Field Product Reviews Write a Review Write a Review Generic 6Volt 21Watt Light Bulb *BA15s / 1156 Base* Larger Glass Dome Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *