OSRAM Diadem PY21W 581 Styling Indicator Bulbs

OSRAM Diadem PY21W 581 Styling Indicator Bulbs
OSRAM Diadem PY21W 581 Styling Indicator BulbsOSRAM Diadem PY21W 581 Styling Indicator Bulbs

The bulbs have arrived in 7 days, all ok. Thanks and Merry Xmas  and Happy New Year.

— Paolo N, Turin, Italy

OSRAM Diadem PY21W 581 Styling Indicator Bulbs

Our Review

Tired of the ‘fried egg’ look on your indicators? Then why not try OSRAM PY21W Diadem Styling Indicator Bulbs. The blue opalescent tinted surface on these bulbs will make your vehicle stand out from the rest.

No changes or adaptations need to be made to your vehicle to use these bulbs, you just simply need to remove the existing bulbs that you are currently using and replace them with the Diadems.

 

Manufacturer's Review

The trend in the coming years in passenger car design will clearly be governed by the motto "free form optics" giving the headlamp a decisive role in the area of vehicle design. In specific terms, this means that current headlamp covers, with structured surfaces, will be replaced by new, transparent designs, which provide a clear view of the headlamp's interior.

This development means that the lamps - alongside their current function, which is geared solely towards the generation of light - a secondary designer-oriented function. The optical harmonisation of the headlamp through colour coding of lamps and headlamp interiors gains thus a new status. Alongside extravagant headlamp bulbs with silver-coloured tips, OSRAM is now offering with the new DIADEM turn signal lamps another opportunity to colour code lamps and headlamps.

DIADEM turn signal lamps, when in "inert" status, exhibit a shimmering surface, which hardly stands out against the silver-coloured headlamp background. Thus the so-called "fried-egg effect" of conventional turn signal lamps with orange-coloured surfaces have been relegated to a thing of the past. The characteristic amber signal light only appear in its usual intensity when under actual operation.

The scratch-resistant and cadmium-free designer turn signal lamp - DIADEM - is thus ideal for use in all turn indicators (front and rear) and the genuine alternative for all car drivers who place a high value on their vehicle's aesthetic qualities.

The new DIADEM lamps can be easily used instead of conventional amber turn signal bulbs and have been registered for use throughout all of Europe. By the way, one thing should not be forgotten: DIADEM turn signal lamps have a service life that is twice as long as conventional bulb designs with painted surfaces!

These bulbs are OFFSET pin, designed for vehicles with clear lenses as standard using a PY21W bulb.

Technical Information

12V
Number of Bulbs2
TechnologyHalogen
Road LegalYes
Kelvin Ratingn/a
BaseBAU15s
Range
Lumensn/a

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Shipping Information

We aim to dispatch 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 upgrade to an 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.

List Price: $23.28 USD

$16.43 USD

incl. FREE shipping

You save: $6.85 USD (29%)

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  • Free worldwide shipping *
  • Free 12 month warranty