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License Plate Lights for Trucks and Trailers
DOT-compliant license plate lights for semi-trucks, trailers, and commercial vehicles. LED and incandescent options are available in round and rectangular housings with surface-mount, grommet-mount, and bracket-mount configurations to cover a wide range of truck and trailer applications. All lights in this category produce white output as required for license plate illumination.
Most units are 12V, with one multi-voltage option compatible with both 12V and 24V systems. Brands include Betts, Buyers Products, Grote, Peterson, Pro LED, and Truck-Lite.
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Frequently Asked License Plate Light Questions:
Are license plate lights required on commercial trucks and trailers?
Yes. Federal regulations under FMVSS 108 and 49 CFR 393 require a white lamp to illuminate the rear license plate on all commercial vehicles. The lamp must make the plate visible from at least 50 feet to the rear.
What color are license plate lights?
License plate lights must produce white light. This is a federal requirement — the lamp must illuminate the plate without casting colored light that could interfere with plate visibility or be confused with other required lighting.
What is the difference between LED and incandescent license plate lights?
LED license plate lights offer longer service life, lower current draw, and greater resistance to vibration and moisture compared to incandescent units. Incandescent options remain available as direct replacements for older equipment or cost-sensitive repairs. Both LED and incandescent options in this category are DOT compliant.
What mounting styles are available for license plate lights?
License plate lights in this category are available in surface-mount, grommet-mount, and bracket-mount configurations. The correct mounting style depends on the existing mounting point on your truck or trailer. Check individual product listings for mounting dimensions and hardware requirements.