Best answer: Are 9003 and h4 headlight bulbs the same?

Are H4 and 9003 interchangeable?

H4 is *NOT* the same as 9003.

And they are functionally interchangeable. The geometry and stuff is all nominally the same, but there are differences in the spec that lead to differences in the bulb.

Is a 9003 bulb high and low beam?

SYLVANIA – 9003 SilverStar Ultra – High Performance Halogen Headlight Bulb, High Beam, Low Beam and Fog Replacement Bulb, Brightest Downroad with Whiter Light, Tri-Band Technology (Contains 2 Bulbs)

Are H7 and 9003 the same?

Filaments. … While H1, H3, and H7 bulbs all have just one filament, the 9003 (HB2/H4) is a dual-filament bulb. Instead of only one wire producing light, the 9003 (HB2/H4) bulb has two.

What bulb is the same as a 9003?

Headlight & Fog Light Bulb Cross-Reference Guide – LED | HID | Halogen

Bulb Equivalent to
9003 (Dual-Beam) H4, HB2, 9003EB/XV/CB/SU/ST
9004 (Dual-Beam) 9004SU/EB/XV/ST/CB
9007 (Dual-Beam) 9007SU/EB/XV/ST/CB
9008 (Dual-Beam) H13, H13ST/XV

Are high and low beams the same bulb?

Most modern vehicles have a single bulb with two filaments. … Some cars (mostly higher-end vehicles or performance vehicles) do have separate bulbs for their high and low beams. Generally, you’ll have a standard halogen bulb for low beams, and then an HID bulb for your high beams. These are not interchangeable.

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Which one is low beam and high beam?

Low Beam vs High Beam Comparison

High Beam Low Beam
Beam Angle Straight/Upwards Towards the ground/road
Focus Long-range Short-range
Light Coverage ~100 meters ~40 meters
Best For No light environments (rural areas, small roads, etc.) Normal Nighttime driving / low light environments

Which is low beam and high beam?

High beams are distinguished from low beams by their brighter light. They are sometimes referred to as “main beam” headlights. These terms are synonymous, and the term used depends entirely on the region. High beams point straight ahead, while low beams are angled down towards the road.

Is H4 a halogen?

H4 and H7 bulbs are high-intensity discharge halogen bulbs, meaning they emit extremely bright light.

Can I replace H4 bulb with LED?

LEDs have a few advantages over halogens. They’re brighter but consume less power, don’t heat up as much, and take up less space. However, XenonPro explains, you can’t simply replace a halogen bulb with an LED assembly.

Is H4 same as 9006?

Ans: No, the H4 and 9006 are not the same type of bulb. … For example, the H4 is a double-filament bulb with three prongs. On the other side, the 9006 has a single filament and an L-shaped base. Both can go to the headlamp and can produce high or low beam lights.

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