What's the difference between H4 and H7 bulbs?

H4 or H7? In the guide you can find out how to distinguish the difference between H4 and H7 bulbs and which one your vehicle needs.

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Standard light bulbs and halogen light bulbs H4 and H7

LED Car Lights Bulb MAXGTRS - 2× 100W H1 H4 H7 H8 H11 9005 HB3 9006 HB4 H27 880 881 HeadLight Lamp 5000K Xtreme Blue 12V Car Halogen Light Fog Bulb — maxgtrs

High Power Headlight Bulb 12000 Lumen 30W H4 H13 H11 9005 H7 Car Auto LED - China LED H4 30W, LED Headlight Bulbs H11

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H1, H3, H4, H7, H11, HB3, HB4, What Do They Mean

H7 477 Car Headlight Bulb Halfords Advanced Up To +150 percent Brighter Single Pack

Super White Halogen Bulb H1 H3 H4 H7 H8 H11 9005 HB3 9006 HB4 880 881 12V 24V 27W / 35W / 55W / 100W 5000K Quartz Glass Dark Blue Car Headlight Lamp.

10X 55W H1 H3 H4 H7 H8 H9 H11 9005 HB3 9006 HB4 Car Halogen Lamp Light Auto bulb

What is an 9003 (HB2/H4) Bulb?, Blog