2018 Audi Q7 Bulb Size

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Bulbs Chart

Headlight Bulb High Beam and Low Beam(with HID headlights) - D5S

Fog Light Bulb Rear - 921

Back Up Reverse Light Bulb - 921

Interior Door Light Bulb - 2825


2018 Audi Q7 Headlight Bulb High Beam and Low Beam(with HID headlights) (D5S)

    Xenon HID Conversion Kit

  • Best Choice

    Philips D5S Standard Authentic Xenon

    Get up to 200% more vision on the road. Consumes less energy and enhances visibility on the road. Original equipment quality with an Electronic high voltage starter and ballast integrated into the base of this innovative design. DOT compliant with precise light distribution.

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    LED Lights

  • Trustworthy Manufacturer

    VehiCode D5S LED Headlight Bulb Conversion Kit

    Upgrade your vehicle's lighting system with these LED headlight bulb kits and enjoy a focused and wider beam, better visibility, and enhanced clarity. With high-quality and reliable products, you can drive with confidence and peace of mind. This aftermarket LED headlight conversion kit is designed to perfectly replace D5S OEM Xenon bulbs...

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2018 Audi Q7 Fog Light Bulb Rear (921)

    LED Lights

  • Best Choice

    Philips 12789LPB2 Bright White Vision

    Replace your standard car lights with our robust Philips Vision LEDs that deliver dynamic lighting for your vehicle, both inside and out. The innovative design and unmatched performance of Philips Vision LEDs are available for brake and taillights, backup lights, dome lights, and license plate lights. These bulbs are covered

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2018 Audi Q7 Back Up Reverse Light Bulb (921)

    LED Lights

  • Best Choice

    Philips 12789LPB2 Bright White Vision

    Replace your standard car lights with our robust Philips Vision LEDs that deliver dynamic lighting for your vehicle, both inside and out. The innovative design and unmatched performance of Philips Vision LEDs are available for brake and taillights, backup lights, dome lights, and license plate lights. These bulbs are covered

See more 921 LED Lights

2018 Audi Q7 Interior Door Light Bulb (2825)

    LED Lights

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 
  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes.  Products with electrical plugs

See more 2825 LED Lights

2018 Audi Q7 Headlights

2018 Audi Q7 Tail Lights

Audi Q7 Bulb Size By Years

Decision: This page lists the common bulb sizes and types used on a 2018 Audi Q7 to help you identify replacements quickly and avoid mismatches. The purpose is evidence-based: reduce guesswork by matching part numbers, socket types, and common fitments. Constraints and options: Bulbs vary by function (headlight low/high, turn, brake, interior) and by technology (halogen, HID, LED), each with trade-offs in brightness, heat, and longevity. The interpretation of fitment notes and OEM versus aftermarket differences helps frame a hypothesis about performance and durability, though limitations exist across brands. Comparison, recommendation, and risks: Use the chart to compare sizes and choose an option that balances brightness and reliability for your driving conditions; consider OEM equivalents when clarity and longevity matter. Some links on this page are affiliate links, which may earn a small commission at no extra cost to you. The declaration is provided for transparency, not promotion.

2018 Audi Q7 specs
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