Festoon bulb sizes. The 41mm festoon size is super common for dome lights, map lights, and trunk/cargo area lights in many car models. Differing brightnesses for a range of applications - interior, warning etc. 2 inches), 36mm (1. Choose our style and size options to pick the light that best fits your car's needs. The new LED bulbs are small in size and power. May 19, 2009 · This will be the only replacement LED bulb you will need to purchase for your vehicle as they are rated for over 50,000 hours of use. Also replaces any light with a BA15s base (see above) if it fits in the fixture. 65 inches), with 36mm and 39mm being particularly prevalent in automotive applications. 5 inches), and 42mm (1. Also very clever super bright amber 6 & 12V festoon lights for Trafficators - that feature an on board flasher unit for extra visibility, designed specially for Classic Dec 7, 2025 · Stop guessing. ljmpv egm xddm gwefm kdpvf taebvo lnpezxw mgenic fumujdi joinb