A lamp is defined by more than shape and side. Lighting technology, connectors, control units and contents vary. Start with the old lamp's label.
Illustrated teaching diagram
Original part number
Other manufacturer's number
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Checks, step by step
Provide side, model, year and known lighting type. A bright daytime-running strip does not establish the technology of the main light source.
Relevant category: Headlights →
Photograph the full number and accessible connectors. Check whether bulbs and electronic modules are included. Have a specialist verify any planned transfer of the old module.
Relevant category: Tail lights →
Ask the workshop about alignment and required setup. Different lighting technologies are not assumed interchangeable. If the number is unreadable, send vehicle details and photos for checking.
Relevant category: Tail lights →
Sources and scope
Checked 8 October 2026. This guide explains general selection steps. It confirms neither stock, fitment nor services for a specific item. Use your own vehicle documentation for requirements.