Rimthin blog

H4 vs 9003 bulbs

9003 vs H4 Headlight Bulbs: How are they different?

Are 9003 and H4 the same? Yes, 9003 and H4 bulbs are the same type of headlight bulb. They are the same in structure and size, just named differently. 9003...

Read More
9004 vs 9007 bulbs

9004 vs 9007 bulbs: Key Differences, Compatibility & Swaps

Are 9004 and 9007 bulbs the same? Please make no mistake, they are very different. You may think that 9004 and 9007 bulbs look almost identical, but in fact, they...

Read More
9005 vs 9006 headlight bulbs

9005 vs 9006 bulbs: Are they the same?

Can I use 9005 instead of 9006 bulbs? Many car owners think that they can, because they look almost the same and have similar names. But, unfortunately, the answer is...

Read More
H4 vs H7 headlights

H4 vs H7 Headlight Bulbs: Are they the same?

Can I use H4 instead of H7 bulbs? This question confuses many car owners. The answer is no. There are big differences between H4 and H7 bulbs, so they cannot...

Read More