2005 Maserati Quattroporte Bulb Size

When I first needed replacement bulbs for my 2005 Maserati Quattroporte, I found conflicting specs and wasted time. Think of this list as a simple mental model that maps each light location to the correct bulb size, making that initial confusion go away. A quick win is seeing the main entries together: head, fog, turn, brake, and interior bulbs with common part numbers and socket types. As I refined the chart, I added notes about polarity-sensitive LEDs and a rule of thumb for matching lumen output to the original bulbs. Quick recap: the list helps you identify the right bulbs quickly and avoid returns. Some links on the page are affiliate links, which may earn me a small commission at no extra cost to you.