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 you’re looking for a performance upgrade and want to install Morimoto’s fantastic headlights on your truck, you will need these adapters to make everything work properly on Tundra’s that came from the factory with OEM LED Headlights.