For Freightliner Cascadia 2008-2016 LED Headlight High Low Beam Bulbs Combo 4x
4 x Headlight Bulbs. How Do I Know These LED Bulbs are Right for My Vehicle?. Our Bulb replaces halogen bulbs only. It does not replace HID from factory. Q2: Which bulbs are used in my vehicle?. Q3: My bulbs won't fit, help!