12V 21/5W Halogen Brake Light Bulb With BAY15D Base, Dual High Low Filament, Stable Brightness, Easy Install Replacement Kit For Cars And Motorcycles, Red

12V Dual-High/Low Halogen Brake Light BAY15D Red Pack 10
✔️ 12V BAY15D socket, dual filament, 21W brake + 5W tail, red

This 12V halogen brake light bulb uses a BAY15D base and is designed for cars and motorcycles. It features dual high and low filaments to clearly signal braking while providing tail-light illumination when needed. The quartz glass shell is tough, with high light transmission for bright, stable output.

✅ 12V operation with 21W brake filament and 5W tail filament
✅ BAY15D dual-contact base for quick, universal swaps
✅ Red glass for high visibility and regulatory compliance
✅ Quartz glass shell for durability and shock resistance
✅ Pack size: 10 bulbs per kit, each 1.04" x 2.06" (26.4mm x 52.3mm)

💡 What is a BAY15D halogen bulb used for, and why pick it for brake lights? A handy, common choice for rear lighting on cars and motorcycles.

- Handy for rear lighting on vehicles with BAY15D sockets - 12V operation suits standard automotive electrical systems - Dual high/low filament provides clear braking signal and tail illumination - Red glass improves visibility and meets lighting standards