A heavy-duty trailer light kit should be specified as a vehicle lighting package, not tail lamps. For semi-trailers, it may include LED stop/tail/turn lamps, side-marker and clearance lamps, rear identification lamps, license-plate lights, reflectors, wiring harnesses, sealed connectors and mounting brackets. Exact contents depend on trailer dimensions, electrical architecture and destination-market rules. Review Lucksun’s semi-trailer parts catalog and manufacturing process.

B2B buyers should confirm 12V or 24V compatibility, lamp functions, connector type, harness length, wire routing, grounding, mounting positions and replacement-part availability. Compare layouts for flatbed trailers, skeletal trailers, curtainsider trailers, side-wall trailers and refrigerated trailers; body design changes lamp placement and harness routing. For US-bound vehicles, verify FMVSS 108 and FMCSA 49 CFR 393.11; other markets may follow UNECE requirements. Lucksun installs lighting during assembly and checks lamp brightness. Include required approvals, wiring diagrams, component brands and inspection records in the OEM quotation. Review Lucksun’s current product range and manufacturer profile before ordering.