2001 Nissan Xterra Headlight Bulb High Beam and Low Beam 9004 LED Kit 9006m This means you might need

This means you might need to switch around the way you installed the lights if you don’t succeed at first

- LED bulbs are sensitive to Polarity which means you might have to switch around the way you installed if it doesn't work at first Go

- Direct power source from car battery Low energy consumption

there’s no reason to be satisfied with stock

- Our Standard H4 comes with HID low beam and Halogen High Beam

2001 Nissan Xterra Headlight Bulb High Beam and Low Beam 9004 LED Kit 9006m This means you might needThe LUMENIS 9004 LED HEADLIGHT CONVERSION KIT has everything you need to make the switch from Halogens or HID to the Newer and best lighting option of LED. LEDs compared to HID or Halogens are the most reliable option with a ONE Piece design this is truly the best Plug n Play option. This LED kit has an instant on a function no need for a warm up time like HIDs. The Lumenis LED kit has a built in fan for cooling and a built in controller.