2018 Mazda CX-9 Bulb Size
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Bulbs Chart
2018 Mazda CX-9 License Plate Light Bulb (2825)
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Premium Pick
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.
Sylvania White Mini Bulb
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For Car Dome, Map Door, Courtesy, License Plate Lights
– 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 plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Mazda CX-9 Back Up Reverse Light Bulb (921)
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Best Choice
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 coveredPhilips 12789LPB2 Bright White Vision
LED Lights
2018 Mazda CX-9 Trunk or Cargo Area Light (DE3175)
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Premium Quality
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...Ruiandsion DE3175 LED Dome Light Bulb
LED Lights
2018 Mazda CX-9 Dome Light Bulb (DE3175)
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Premium Quality
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...Ruiandsion DE3175 LED Dome Light Bulb
LED Lights
2018 Mazda CX-9 Map Light Bulb (DE3175)
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Premium Quality
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...Ruiandsion DE3175 LED Dome Light Bulb
LED Lights
2018 Mazda CX-9 Headlights
2018 Mazda CX-9 Tail Lights
Mazda CX-9 Bulb Size By Years
Misconception: picking bulbs for your 2018 Mazda CX-9 is just about matching a number. It seems true because most guides list socket types and part codes, which look like the whole story. What is true is that fit, brightness, color temperature, and beam pattern matter together — think of it as a small system, not a single spec.
Implications: use this list as a mental model to check compatible bulb sizes for headlights, turn signals, and interior lights, then confirm fit and beam with your actual lamp housing. Quick tests include snapping the bulb into the socket for clearance and powering it briefly to check alignment and color.
Quick recap: this page contains recommended sizes and options for a 2018 Mazda CX-9. Some links are affiliate links, which means I may earn a small commission at no extra cost to you.
2018 Mazda CX-9 specs
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