D4S: Osram Xenarc 66440 Cool Blue Boost

Priced Right: These are what the amazing 66440 CBI bulbs are based off of, have nearly the same specifications and cost nearly 50% of their price. Compare to dealership list price @ $194/bulb. No matter the preference, we have your Osram HID replacement bulbs!

Genuine: The Retrofit Source is proud to offer high quality Original-Equipment Osram bulbs. We pride ourselves on being one of the last few distributors shipping genuine Philips & Osram lamps in the US. It is estimated that 80% of these bulbs sold through outlets such as eBay or Amazon are fakes.

Overview Video: Check out this helpful video to see how the Osram bulbs compare.

TRUSTED: For almost 2 decades, we've sold some of the most exciting lighting products. Car guys world-wide know that Umnitza has some of the brightest and best angeleyes at the best prices, and we've got the best, most knowledgeable team of real enthusiasts to help back it up. If we sell it, then you bet we've put it to the test on our own cars, trucks, and bikes.