2004 Mazda RX-8 Bulb Size

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Bulbs Chart

Headlight Bulb High Beam - H9

Headlight Bulb Low Beam - D2S

License Plate Light Bulb - 2825

Parking Light Bulb - 2825

Trunk or Cargo Area Light - 2825

Dome Light Bulb - DE3175

Map Light Bulb - 2825

Courtesy Light Bulb - 2825


2004 Mazda RX-8 Headlight Bulb High Beam (H9)

    LED Lights

  • #1 Bestseller

    Sealight L2 Series

    Simple installation: it’s been designed as a plug-and-play lighting solution, so does not need the help of a mechanic to fit into most cars. No pain of replacing bulbs often: a maximum level of heat dissipation is achieved when they are in use thanks to the ball-bearing cooling fan, the copper

See more H9 LED Lights

    Halogen Lights

  • Premium Pick

    PIAA 19665 H9 Xtreme White Plus

    If you’re looking for better visibility on your road, then Xtreme White Hybrid bulbs should be at the top of your list. These high-quality glasses and alloy filaments provide more contrast to what can sometimes become dim or dull light from stock lamps so that way not only do they

See more H9 Halogen Lights

2004 Mazda RX-8 Headlight Bulb Low Beam (D2S)

    Xenon HID Conversion Kit

  • Best Choice for 2004 Mazda RX-8

    Philips D2S Standard Authentic Xenon

    Check out these xenon lighting solutions, the number one choice in authentic Xenon lighting. Philips Xenon HID headlight bulbs provide the same Original Equipment quality as the lights we provide to automakers around the world. Only a burning bulb made of quartz glass (filament 2650°c, glass 800°c) can resist thermal

See more D2S Xenon HID Conversion Kit

2004 Mazda RX-8 License Plate Light Bulb (2825)

    Halogen 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. 

See more 2825 Halogen Lights

    LED Lights

  • 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

2004 Mazda RX-8 Parking Light Bulb (2825)

    Halogen 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. 

See more 2825 Halogen Lights

    LED Lights

  • 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

2004 Mazda RX-8 Trunk or Cargo Area Light (2825)

    Halogen 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. 

See more 2825 Halogen Lights

    LED Lights

  • 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

2004 Mazda RX-8 Dome Light Bulb (DE3175)

    LED Lights

  • Premium Quality

    Ruiandsion DE3175 LED Dome Light Bulb

    Product Benefits Super Bright Each LED festoon bulb has 12 pieces 2835 chipsets high brightness LED and is made with an aluminum body design for better heat dissipation Much brighter than original bulbs.No tools needed No modification of wire is needed. Socket type 31mm festoon Light Bulbs.Fit sockets: DE3175 DE3021 DE3022 DE3023 DE3175LL DE3021LL...

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2004 Mazda RX-8 Map Light Bulb (2825)

    Halogen 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. 

See more 2825 Halogen Lights

    LED Lights

  • 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

2004 Mazda RX-8 Courtesy Light Bulb (2825)

    Halogen 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. 

See more 2825 Halogen Lights

    LED Lights

  • 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

Mazda RX-8 Bulb Size By Years

Misconception: people often think one bulb size fits all headlights and taillights. It seems true because many bulbs look similar and packaging can be confusing. Think of it as a visual shortcut that feels faster, a mental model that trades accuracy for convenience. What is true: your 2004 Mazda RX-8 uses specific bulb sizes for each position, and swapping the wrong one can reduce light output or cause fit issues. A simple rule of thumb is to check the chart by function—head, fog, turn, interior—rather than guessing by shape. The implication is fewer returns, safer night driving, and less fuss when changing bulbs. Quick tests: verify sockets, compare part numbers, and test fit before finalizing. Quick recap: this list aims to save time and errors. Affiliate disclaimer: links on this page may earn me a small commission if you buy through them, at no extra cost to you.

2004 Mazda RX-8 specs
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