2005 Aston Martin DB9 Bulb Size

If you own a 2005 Aston Martin DB9, finding the right bulb can feel needlessly complex. This bulb size chart is designed to list compatible lamp types, socket codes, and recommended wattages so you can replace lights without guessing. The goal is clearer purchases and fewer returns. Before buying, confirm the chart entry matches your vehicle's trim and the bulb location. The practical step is to match socket codes, note polarity or CANbus constraints, and compare physical dimensions. Validation comes from a trial fit and function test. If a bulb flickers or triggers errors, swap to the specified OEM-equivalent or a confirmed CANbus-compatible option—consider trade-offs between brightness and heat. 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. Follow the guidance above and you’ll turn confusion into a reliable replacement.