OSRAM P21W Signal Lamps, 12 volts, 21 watts, BA15s, Warm White, Twin Pack

The OSRAM 7506-2BL P21W 12 V 21 W BA15s signal lamps, twin pack, provide standard replacement lighting for automotive exterior applications. This P21W incandescent signal lamp uses a BA15s bayonet base for straightforward electrical and mechanical fitment in compatible vehicles. It produces a warm white light suitable for stop, indicator, tail, or reversing functions. The unit delivers 460 lumens of luminous flux, ensuring clear visibility for essential signalling tasks. Vehicle owners and maintenance professionals can use this specification to replace failed or worn exterior bulbs.

The pack contains two bulbs, supplying the components needed for a matched-pair replacement on opposite sides of the vehicle. Each unit draws 21 W at typical operating loads, in line with standard automotive electrical requirements. A rated lifespan of 250 hours indicates the expected service duration under normal operating conditions. The physical construction features a 25 mm diameter, corresponding to standard P21W signal lamp housing dimensions. This pair serves as a direct replacement option for standard factory lighting setups.

• 460 lm luminous flux: Output meets standard P21W visibility requirements for exterior signalling.
• 12 V operating voltage: Integrates directly with standard passenger vehicle electrical systems.
• 250-hour lifespan: Sets the expected operational duration for an incandescent replacement.
• 21 W power draw: Maintains standard wattage consistent with factory wiring setups.
• 2 bulbs per pack: Supplies matching units for left- and right-side installations.
• 25 mm diameter: Matches standard housing dimensions for correct fitment.