Product Description:
The Philips Ultinon Pro3100 SI 11499RU31B2 is an LED signalling bulb designed specifically for vehicle applications such as stop lights and tail lights. It operates on a standard input voltage of 12 volts and features a fitting cap type designated as P21/5W. The base type used in this product is BAY15d, which allows it to be securely mounted within vehicles.
This particular model offers red lighting color suitable for signaling purposes. This bulb comes packaged individually but can also be purchased in packs containing two units each. For bulk purchases, there’s no minimum order requirement; however, if you need more than ten bulbs at once, that would typically suffice based on typical retail practices.
Each package includes one bulb inside a box. If additional quantities are required beyond what fits into a single box, multiple boxes will be needed accordingly. In summary, whether you’re looking to replace existing bulbs quickly due to wear-and-tear issues or upgrading your car’s lighting system entirely, these Philips Ultinon Pro3100 SI 11499RU31B2 bulbs provide reliable performance while adhering to industry standards regarding electrical specifications and mounting configurations.
Feature summary
- Model: Philips Ultinon Pro3100 SI 11499RU31B2 Signalling bulb
- Input voltage: 12 V
- Light colour: Red
- sku: 11499RU31B2/10
- Fitting/cap type: P21/5W
- Bulb type: LED
- Vehicle bulb application: Stop light, Tail light
- Base type: BAY15d






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