OSRAM Cool Blue Boost HB4 Car Headlight Bulbs (Twin)

Seeking the ultimate in style but don’t want to compromise on brightness? Choose the new OSRAM Cool Blue Boost. The range produces a colour temperature of up to 5000K, plus delivers up to 50% extra brightness on the road than standard. Choose OSRAM Cool Blue Boost and you’ll benefit from the best of both worlds: a stylish, white light with extra light output.

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.