2018 Porsche 911 Bulb Size
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Bulbs Chart
2018 Porsche 911 Headlight Bulb Low Beam (D3S)
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Best Choice, D3C
POWERFUL LIGHT FROM XENON HID BULBS OFFER MAXIMUM SAFETY: Xenon HID (High Intensity Discharge) headlight bulbs offer twice as much light* for safer driving in all conditions while consuming 50% less power. The intense white light produced by the Xenon HID lamps is comparable to daylight. Studies have demonstrated that...
Philips D3S Standard Authentic Xenon HID
Xenon HID Conversion Kit
2018 Porsche 911 Stepwell 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
Halogen Lights
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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 Porsche 911 Interior Door 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
Halogen Lights
-
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 Porsche 911 Headlights
2018 Porsche 911 Tail Lights
Porsche 911 Bulb Size By Years
When I first replaced bulbs on my 2018 Porsche 911, I made a simple list to avoid guessing and extra trips to the parts store. Think of it as a compact reference showing each bulb position, size, and common replacement options so you can match what you need quickly. A quick win is finding the correct headlight or turn signal bulb number in seconds, which saves time and reduces stress.
As I expanded the list, I added fit notes for OEM vs aftermarket options and simple installation tips that helped avoid common mistakes. The mental model here is: confirm the position, check the size, choose a compatible option, then test the light. For transparency, some links on this page are affiliate links, which means I may earn a small commission at no extra cost to you; that support helps keep the chart updated. Quick recap: use the list to identify bulbs, apply the fit notes, and feel confident replacing them yourself.
2018 Porsche 911 specs
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Exterior
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