Philips Ultinon Pro3021 LED H7 Headlight Bulb, 2-Pack

Philips Ultinon Pro3021 LED Headlight Bulbs (H7) User Manual

Product Overview

The Philips Ultinon Pro3021 LED headlight bulbs provide an elegant white light at a color temperature of 6,000K. These bulbs are designed for easy plug-and-play installation, featuring a compact all-in-one design with an integrated transformer. They offer reliable durability with double heat dissipation and are compatible with most 12V/24V vehicles.

Installation Instructions

  1. Preparation: Before installation, ensure your vehicle's headlight power is turned off.
  2. Remove Existing Bulb: Carefully remove the existing bulb from the headlight housing.
  3. Detach the Locking Ring: For H7 bulbs, turn the locking ring counterclockwise to detach it from the LED bulb.
  4. Install Locking Ring: Insert the locking ring into the headlight housing, aligning any notches or tabs as required by your vehicle's design. Secure any metal clips or retainers.
  5. Insert LED Bulb: Place the LED bulb into the locking ring and turn clockwise until it clicks into place, ensuring a secure fit.
  6. Connect Power: Connect the LED bulb to the headlight power connector. Ensure the connection is firm and secure.
  7. Test Functionality: Turn on your vehicle's headlights to test the new LED bulbs. Ensure they illuminate properly and the beam pattern is correct.

Troubleshooting Tips

  • If the LED bulbs do not turn on, check the connections to ensure they are secure and properly aligned.
  • If the bulbs flicker, this may indicate a compatibility issue with your vehicle's electrical system. A CANbus adapter may be required for proper functionality.
  • If the beam pattern is incorrect, adjust the bulb alignment within the locking ring or consult your vehicle's manual for headlight adjustment procedures.
  • If the bulb causes an error message on the dashboard, a CANbus adapter may be necessary to prevent this issue.

Frequently Asked Questions (FAQ)

What is the color temperature of these LED bulbs?

The Philips Ultinon Pro3021 LED bulbs emit a cool white light at 6,000K.

Are these bulbs compatible with my vehicle?

These bulbs are compatible with most cars, but it is essential to check the Philips compatibility list at for your specific vehicle model.

How long do these LED bulbs last?

The operational lifespan of these bulbs is approximately 2,000 hours.

Can I install these bulbs myself?

Yes, the bulbs are designed for easy installation with a plug-and-play setup. However, some vehicles may require additional steps or adapters.

Do I need any additional accessories for installation?

Most installations do not require additional accessories. However, some vehicles may need a CANbus adapter to prevent flickering or dashboard errors.

Will these LED bulbs cause glare to oncoming traffic?

When installed correctly and aligned properly, these bulbs should not cause glare to oncoming traffic. It's important to ensure that your vehicle's headlights are adjusted correctly after installation.

Is it legal to use these LED retrofit bulbs on public roads?

Laws regarding the use of LED retrofit bulbs on public roads vary by location. It is the user's responsibility to comply with applicable legal requirements.

What is the wattage of these bulbs?

The Philips Ultinon Pro3021 LED bulbs have a power rating of 20 Watts.

What should I do if one bulb is defective upon delivery?

If you receive a defective bulb, contact the retailer or Philips customer service for a replacement under the warranty policy.

What if the plastic cover doesn't fit after installation?

If the plastic cover does not fit due to the size of the LED bulb's radiator, it may still be acceptable as the radiator is ventilated and the LED has a seal around it. However, consult your vehicle's manual or a professional for advice.

Do these bulbs come with a warranty?

Philips automotive lighting products typically come with a manufacturer's warranty. Check the packaging or contact Philips for specific warranty information.

FAQ [continued]

Q: What is the brand of this LED headlight bulb?
A: The brand of this LED headlight bulb is Philips automotive lighting.

Q: What is the power of this bulb?
A: This bulb has a power of 20 Watts.

Q: What is the voltage requirement for this bulb?
A: This bulb is compatible with both 12V and 24V systems.

Q: What is the lifespan of this bulb?
A: The operational lifespan of this bulb is 2000 hours.

Q: Is this bulb easy to install?
A: Yes, this bulb is easy to install with its plug-and-play design.

Q: Does this bulb provide better visibility?
A: Yes, this bulb provides better visibility with its elegant white light.

Q: Is this bulb compatible with most cars?
A: Yes, this bulb is compatible with most cars.

Q: Are these bulbs suitable for use as daytime running lights?
A: The specific usage for this product is lighting doors, not daytime running lights.

Q: Can I use these LED bulbs legally?
A: It is your responsibility to use LED retrofit bulbs in accordance with applicable legal requirements.

Q: Where can I find the compatibility list for my car model?
A: You can find the compatibility list for your car model on


BrandPhilips automotive lighting
CategoryAuto et Moto > Pièces détachées auto > Feux, ampoules et clignotants > Ampoules > Ampoules extérieures > Ampoules clignotants
MarquePhilips automotive lighting
Usages spécifiques pour le produitéclairage_des_portes
Puissance20 Watts
Quantité d'articles dans le colis1
Tension12 Volts
Position de la pièce automobilePartie frontale
Durée de vie opérationnelle2000 Heures

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