This page helps you find the right bulb sizes for the 2018 Porsche 911 by lighting position, so you can match each exterior and interior lamp to the correct fitment before ordering. Because Porsche used different lighting setups depending on trim, market, and body style, it is smart to verify the exact bulb type for each location rather than assuming every 911 uses the same parts.
For the 2018 Porsche 911, many of the listed lights are LED from the factory, while some interior and auxiliary positions use specific bulb types such as D3S, 2825/98, or 2886X. Use the bulb chart on this page to compare the headlight, brake, turn signal, license plate, parking, tail, daytime running light, reverse light, and cabin light positions one by one.
Fitment can vary with trim level, lighting package, and market-specific equipment, so always confirm what is installed on your car before buying replacements. Some 2018 Porsche 911 models use LED assemblies that are not serviced with a simple bulb swap, while others may use a replaceable bulb or a separate low-beam D3S setup. If you are considering aftermarket LED conversions or replacing a halogen-style bulb with an LED upgrade, check for compatibility, warning messages, beam pattern, and legal requirements in your area. The safest approach is to inspect the existing bulb or assembly first and match the part type exactly before purchase.
