OEM LED Spec: The OEM LED Headlights on the 18-20 Toyota Tundra look good, but not quite as good as the Morimoto XB LEDs. If youíre looking for a performance upgrade and want to install Morimotoís fantastic headlights on your truck, you will need these adapters to make everything work properly on Tundraís that came from the factory with OEM LED Headlights.