Philips Ultinon LED W5W 501 4000K (Twin)


The Ultinon LED range by Philips provides a terrific means of upgrading the lighting and style of your vehicle's interior. Available in 'warm white' and 'daylight effect' light colour temperatures.

Why buy Philips Ultinon LED W5W 501 4000K?

The new Philips Ultinon LED range offers a cost-effective way of improving your vehicle's lighting and style with minimal effort. Made to Philips' world-class design and manufacturing standards, the Ultinon LED is capable of brilliant light production and boasts a long life time of up to 8 years. Philips' Ultinon LED range avoids the cheap, 'dotted' effect that characterises inferior LED lighting, producing instead a bright, far-reaching light with a consistent beam pattern. 

Whether you're applying the Philips Ultinon LED W5W 501 T10s to the interior of your car, the trunk or glove compartment, the warm white 4000K colour temperature will ensure a stylish, broad projection that is also sensitive to your eyes. As well as offering enhanced style and vision inside your car, the Ultinon LED will enhance your visibility, making your vehicle stand out to other drivers.

(The usage of these bulbs in an exterior application is not road-legal and, in addition, may trigger a bulb error message to appear on the vehicle's on-board computer system / dashboard. This is a harmless side-effect owing to the difference between halogen and LED technology. Any such warning errors may be removed with the additional installation of a Philips CANbus control unit.)

Features and benefits

  • 4000K LED lighting
  • Vastly improves interior lighting
  • Warm white light effect
  • Improved style
  • Efficient LED design
  • Lifespan of up to 8 years
  • Built to Philips Automotive-Grade Quality high production standards
  • Not road legal – for interior applications only

About Philips

For over a century, Philips have been literally making the world a brighter place. Through using ever-advancing technology and adhering to the most rigorous and superlative of production standards, it isn’t hard to see why one in every three cars worldwide comes equipped with Philips lamps. A purchase from Philips not only offers best-in-class technology, but peace of mind.

 It is your own responsibility to ensure that the use of the LED retrofit lights complies with applicable local legal requirements.


Number of Bulbs2
FittingW5W (501)
Bulb TypeStyling
Light Improvement
RangeUltinon LED
Kelvin Rating4000K
Road LegalNo

Delivery Information

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

UK: 2-3 business days*
Europe: 5-7 business days*
Rest of the World: 5-10 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 (DPD): £5.49
US & Canada 2-4 Business Days (FedEx): £13.99

*average delivery times.



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