
Installed two of these low beams on a 2009 KIA Optima. I tried looking at Wal Mart but they only sell H11 bulbs. I'm not sure what the difference is without going back and looking at them, but I don't think you can use regular H11 bulbs in this app. The car had clocked up about 53,000 miles when one of them failed - it has daytime running lights. I installed the light in July and one has already failed. Lifespan less than 4 months! Next time I will buy from a KIA dealer.

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