Headlamp Marking Requirements

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FMVSS No. 108 specifies the marking requirements for original equipment and replacement headlamps.  Shown is a listing of the minimum markings you should see during a field inspeciton of a current generation headlamp.

There are additional marking requirements within the standard for different types of headlamp systems.  They are specified in Paragraphs S7.3 through S7.6.

Minimum headlamp marking requirements

- The lens shall be marked with the symbol DOT S7.2(a)
- The lens shall be marked with the name and/or registered trademark of the manufacturer or its importer. S7.2(b)
- Each headlamp and beam contributor shall be marked with its voltage and its part number. S7.2(c)
- For a replaceable bulb headlamp, the lens shall bear permanent marking in front of each replaceable light source with which it is equipped that indicates the bulb marking/designation in accordance with part 564 .  Exception:  No marking is required if the only replaceable light source in the headlamp is Type HB1. S7.5(g)
This page modified on February 02, 2001  

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This site is not affiliated with any Federal, State, or Local organization.  The goal is to be as factual as possible, however, the views expressed on this site are the opinions of the author and should not be used to determine the legality of motor vehicle equipment in accordance with Federal laws.  If you require a legal interpretation of your specific situation concerning FMVSS No. 108, you should contact the National Highway Traffic Safety Administration's Office of Chief Counsel.