I am an old guy and don't anything about lighting.

I seached TW and still confused. A shop around here tried to sell me LED headlight (Sylvania) plug and play bulbs. Anyone had experience with these? Thanks in advance folks.

 

https://www.tacomaworld.com/threads/the-ultimate-headlight-upgrade-h4-not-led-or-hid.398066/

This thread will give you all the information you need and more.

 

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Don't.

If just doing a bulb replacement, then get the same type of bulb.

I had the passenger side burn out. I replaced both sides with Sylvania SilverStar bulbs. These are not rated as the highest or greatest bulb, but they were a significant improvement over the previous bulbs.

When you change types of bulb (LED, HID....etc) you should have the matching reflector/lens housing.