AutoEC 4 PCS Smoked Lens Red LED Fender Bed Side Marker Lights Set for Ford F350 F450, Chevy, HD Truck Get the Attention at Night --- AutoEC Side Marker Lights include 3 extremely bright flux LED light bulbs inside, much brighter than the OEM light and enough to get the attention at night and to work as marker lights for safety. Easy to Install --- There is a double-sided tape on the back of light casing, you just peel one side of the double sided tape and stick it on the fender of your car. Connecting the wires with your car socket. The Best Replacement --- Comes with 4 red LED lights, 168 194 adapter and double sided tape, replace part # 8C3Z15442B F81Z15442CA. The LED lights work great and they look very close to the original factory lights. Universal Fitment --- Can be used for rear or front fender marker light, such as Ford F350 or F450 with existing amber/red lens side markers, but this product will also fit any other truck with some mods and wiring required. Quality Assurance --- Complies with DOT, SAE stands. Buy with confidence, We offer "ONE YEAR" warranty on item(s) that confirm to be manufacturer defect. (Please contact us if you meet any issue.)