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Technical how-tos, fitment guides, and industry insights written by our in-house engineering and trade team.

Uncategorized July 2026

Audi A4 Headlight Replacement Guide: B8 vs B9 Fitment Checklist

Use this Audi A4 B8 vs B9 headlight fitment checklist to confirm generation, production date, lighting type, beam pattern, connector and modules before ordering.

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