Boat Trailer Side Marker Light Stud Mount, TecNiq S14 Amber
FMVSS Requirements: Dry Van|Find out where your lighting and reflectors should be placed. | truck-lite.com
Amazon.com: Partsam 2Pcs 2 Inch Round Led Side Marker, 2" Clearance Lights Red 9LED with Reflectors Waterproof Sealed Fender Cab Panel Lights w/Grommets and Pigtails for Trailer Truck : Automotive
LED Turn Signal Lights Side Marker Light for Truck Trailer Boat - China Turn Signal Lights, Side Marker Light | Made-in-China.com