Dual-filament (twin-light) incandescent bulb, commonly known as a **P21/5W lamp**. Designed for **12V** electrical systems, it is the standard option for combining the **Position Light (5W)** and **Stop Light (21W)** functions in a single rear bulb for cars, vans, and agricultural machinery.
Technical Details
Part Number: 35161
Bulb Type: Symmetrical (Dual Filament)
Primary Usage: Rear Stop and Position Lights
Number of Lights (Filaments): 2
Nominal Voltage: 12 V
Nominal Wattage: 5 / 21 W
Base: BAY15D (Double Contact Bayonet Base)
Key Features
- **Dual Intensity:** 5W for the position function (low brightness) and 21W for the stop function (maximum brightness).
- **12V Standard:** Ideal for the electrical system of cars and light/medium vehicles.
- **BAY15D Base:** Bayonet base with double contacts and staggered pins to ensure correct insertion into the lamp holder.
- **Safety Essential:** The dual filament ensures a clear distinction between running light and braking light.