Found at:
advanceautoparts.com
elightbulbs.com
lightbulbemporium.com
Other than that, try your local Kia or Hundai dealer, as they seem to be used primarily in those makes.
The base is different from the H11 type. Some web sites say you can easily modify the mount of an H11B to accommodate H1 bulbs (which are far more common -- and in my Kia are used for the high beams, while the H11B is for the low beams), but I haven't tried it.
H11B Low beam. H1 High beam.
Low Beam H11B
You can bulbs like that from Halfords or Euro car parts in
One can purchase H1 bulbs in bulk online on sites such as Amazon, eBay, 1000 Bulbs, Sylvania, and Buy Headlight Bulbs. One can also have them special ordered in bulk at retailers such as Auto Zone and Advanced Auto.
The prices vary, but you can get a 2 pack of halogen bulbs for between $15 and $20. Xenon bulbs are expensive, at over $120 each.Or you can buy a used one for 50$ from the junkyard.
While the first place most people check when looking to buy replacement headlight bulbs online is major auto retailers such as Autozone and Pep Boys, there are some specialty sites that sell only headlight bulbs. Two examples of these specialty sites are Buyheadlightbulbs and Powerbulbs. Shoppers should compare prices before committing to a purchase.
The VW polo has headlight bulbs. If the headlights are not working, it may be a bulb has burnt out.
Before replacing the headlight bulbs on a 1997 Acura CL prop the hood open. Locate the headlight housing and remove the old bulbs. Install the new lights.
9004 Headlight Bulbs
You can buy new headlights bulbs at www.amazon.com or www.pepboys.com Make sure you know what size bulb you need, however. If you want to go to a store, Wal-Mart always has bulbs
H4
The headlight assembly (aka the headlight bucket) is removable by releasing the lock tabs behind the assembly. Once the assembly is wiggled out in the open you can easily replace the bulbs.