2019 Audi S4 Headlight Bulb Size
By clicking the link you will be redirected to Amazon. The aftermarket bulbs & headlights below may improve the illumination of your vehicle and make it stand out from the crowd.
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The 2019 Audi S4 bulb size chart specifies the recommended lamp part numbers and types for all positions of its electrical system, like headlights, fog lights, brake lights, side markers, etc. If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your 2019 Audi S4 requires to fit into the housing and match the wattage and voltage specifications. Pay special attention to the marking and make sure the bulb is “DOT” compliant to avoid legal issues.