I would like to explain to you what’s difference between h7 and h11 bulbs in brief.

By the eyes, we can find h7 and h11 bulbs are different bases.

H7 bulbs are using px26d and h11 bulbs are using pgj19-2.

H7 and H11 are always using in headlight bulbs for cars and truckers.

But some h11 bulbs can be used as fog light bulbs, but h7 are always using high and low beams.

Meanwhile, h11 bulbs are always using in North American cars, but h7 bulbs always for European cars.

I will show you pictures of Difference between H7 and H11 bulbs as below.

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