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H4 LED bulbs

H4 LED bulbs for high and low beam in one bulb. H4 is used in many older cars, pickups, vans and trucks. The right LED bulb gives up to six times the light of halogen.

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SocketH4
CAN busCAN bus
ProtectionIP68 or higher

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Which H4 LED bulb should I choose?

H4 has both high and low beam in one bulb, so it needs to handle both. If you drive a 24 volt truck or work vehicle, choose a bulb that supports it.

BulbBest forKey facts
Luxtar Hero H4Most light in a passenger carUp to 6 times the light of halogen. Built-in CAN bus.
Luxtar Premium Canbus H4Everyday driving with an even beam3 to 4 times the light of halogen. Built-in CAN bus.
Luxtar Genesis H4 Gen2Trucks and work vehicles12 and 24 volt. Sealed to IP68.
Luxtar Galvatron H4Trucks, maximum output75 W, 12 and 24 volt. Sealed to IP67.
Luxtar Q1 LED H4Affordable step up from halogenEntry model in the Luxtar LED range.

How to tell if your car uses H4

An H4 bulb has three pins and handles both high and low beam. The socket is listed in the owner manual and on the old bulb, or search by your registration number.

Not sure which bulb to choose? Read Best low beam and high beam bulbs 2026, where we compare Hero, Premium Canbus, Osram Night Breaker LED and more.

Also read How to fit LED bulbs, LED bulb problems and how to fix them and LED bulbs compared with halogen.

Questions and answers

Does H4 LED work for both high and low beam?

Yes. An H4 LED bulb has two light sources and handles both high and low beam, just like the original.

Which H4 LED suits a truck?

Genesis H4 Gen2 and Galvatron H4 support both 12 and 24 volt and are made for trucks and work vehicles.

Will H4 LED give a bulb warning?

Hero and Premium Canbus have CAN bus built in and work without a warning in most cars.