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Osram Car and Motorcycle Lamp Ultra Life P21/5W Halogen White 12V 21W
Car Lamps

Osram Car and Motorcycle Lamp Ultra Life P21/5W Halogen White 12V 21W

The OSRAM ULTRA LIFE P21/5W bulb is a premium, long-life halogen signalling bulb. It offers up to three times the lifespan of a standard replacement bulb. Featuring a BAY15d base used in most European...

The OSRAM ULTRA LIFE P21/5W bulb is a premium, long-life halogen signalling bulb. It offers up to three times the lifespan of a standard replacement bulb. Featuring a BAY15d base used in most European and Asian vehicles, it provides stop/tail lighting — 21W for the brake lights and 5W for the position lights — in one durable bulb.

  • Up to 3 longer lifespan...
See Description & Specifications See Description & Specifications

Top specs

  • Technology

    Halogen
  • Type P21/5W

  • Power

    Indicates the power consumption of the lamp and is related to its brightness. It should always comply with the vehicle manufacturer's specifications to avoid overloading or malfunctions in the electrical system.

  • Voltage

    Voltage indicates the electrical current required for a lamp to function properly. Most car lamps operate at 12V, which is the standard voltage for most passenger vehicles. In trucks or heavy vehicles, 24V lamps are usually used.

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Description & Specifications

The OSRAM ULTRA LIFE P21/5W bulb is a premium, long-life halogen signalling bulb. It offers up to three times the lifespan of a standard replacement bulb. Featuring a BAY15d base used in most European and Asian vehicles, it provides stop/tail lighting — 21W for the brake lights and 5W for the position lights — in one durable bulb.

  • Up to 3× longer lifespan than standard halogen bulbs.
  • Dual filament: 21W stop / 5W position lighting in one bulb.
  • BAY15d base with offset pins for correct orientation.
  • Fully compatible with OEM luminous flux — 440 lm (21W) / 35 lm (5W).
  • ECE R37 approved for legal use in Europe.
  • Suitable for cars, SUVs and vans.

Key technical specifications:

  • Bulb Type: P21/5W
  • OSRAM Code: 7528ULT
  • Voltage: 12 V
  • Power: 21/5 W (dual filament)
  • Luminous Flux: 440 lm (21W) / 35 lm (5W)
  • Base: BAY15d (double contact, offset pins)
  • Length: 52.5 mm
  • Lifetime: ~800 h main filament / ~6000 h position-light filament
  • Pack Quantity: 1
  • EAN: 4008321413123

Manufacturer

Manufacturer Details

Warnings & Safety Information
Vehicle
Auto-Moto
Type
P21/5W
Bulb Types
Halogen

Bulb Types

Halogen
Power
21 W

Power

Indicates the power consumption of the lamp and is related to its brightness. It should always comply with the vehicle manufacturer's specifications to avoid overloading or malfunctions in the electrical system.
Colour Temperature
-

Colour Temperature

Colour temperature in lamps refers to how warm or cool the color is. 


The warmth of light is measured in Kelvin; the lower the Kelvin rating, the more reddish the hues, and the higher the rating, the bluer the hues.


Indicatively, lights with 3000 Kelvin are usually recommended for fog lights, lights with 4300-5000 Kelvin are usually recommended for driving lights, and from 6000 Kelvin and above are for a more distinctive style.
Lighting Colour
White
Voltage
12 V

Voltage

Voltage indicates the electrical current required for a lamp to function properly. Most car lamps operate at 12V, which is the standard voltage for most passenger vehicles. In trucks or heavy vehicles, 24V lamps are usually used.
Quantity
1 pcs
Canbus
No

Canbus

The bulb's consumption is monitored and the system recognizes if it is burnt out or not, sending indications to the dashboard. Consult your car manual for the minimum consumption required to avoid CAN Bus system failure.
Off Road
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

20,00 €
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