OSRAM Red Diadem PR21/5W (Single) at Car Bulbs Direct.

OSRAM Red Diadem PR21/5W (Single)
OSRAM Red Diadem PR21/5W (Single)OSRAM Red Diadem PR21/5W (Single)

Ordered Tuesday received Wednesday, how much better can it get!

— Roger A, UK

OSRAM Red Diadem PR21/5W (Single)

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  • Indicator Light
  • Original Equipment Quality
  • Illuminates red
  • Special opalescent coating 

Why buy me?

The OSRAM Diadem red PR21/5W bulb is an ideal replacement for your indicator lights. The bulb features a specialist opalescent interference coating. This bulb illuminates red when in use. The OSRAM Diadem red bulb can be fitted in vehicles with indicators that use a clear case. We recommend referring to your vehicle handbook before you purchase this bulb to make sure your vehicle can be fitted with PR21W or PR21/5W bulbs. 

The technical bit:

  • Brand: OSRAM
  • Fitting: PR21W
  • Bulb Type: Styling
  • Voltage: 13.5V
  • Wattage: 25W
  • Road Legal:  Yes

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Delivery Information

We aim to send all orders the same/next business day. Delivery times on our FREE standard delivery service are:

UK: 1-2 business days*
Rest of the World: 2-7 business days*

Need your order faster?
Customers in the UK, US & Canada can also use our express delivery service. Delivery times for this service are:

UK Next Business Day (InterLink): £5.00
US & Canada 2-4 Business Days (FedEx): $9.99

*average delivery times.

RRP: £24.99


incl. FREE delivery

You save: £4.00 (16%)

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  • Free worldwide delivery *
  • Free 12 month warranty