Osram P21/5W BAY15d Dual-Filament Car Bulb 12V 21/5W (Twin Pack)

The Osram P21/5W BAY15d is a dual-filament car bulb essential for keeping your vehicle's rear lighting system fully operational. This 12V bulb combines a 21-watt and a 5-watt filament in one unit, designed to serve as both a tail light and a brighter stop light from a single fitting. Supplied in a practical twin pack, it ensures you have a spare bulb on hand for a quick, road-legal replacement when needed.

Constructed to meet exacting standards, this bulb provides reliable performance and consistent light output, crucial for safety and visibility on the road. Replacing a failed bulb promptly is not just a matter of convenience—it's a legal requirement to ensure other road users can clearly see your intentions when braking or indicating. This BAY15d fitting is a common specification for many vehicles, making it a versatile and essential item for any car owner's maintenance kit.

The compact design allows for easy installation in the designated side or tail light housing. Keeping a spare set means you can avoid the inconvenience and potential danger of driving with a faulty light, maintaining your safety and compliance with UK road regulations at all times.