I installed these on my 2004 Honda CR-V (EOM was 3175 and yes it measured exactly 31mm - as did the LED replacement). Replaced the main cover and the rear door cover. White LED lamps ensure a very natural light colour. In fact, I carried a small flashlight in the door panel for a long time because the original and replacement bulbs weren't bright enough to actually read anything or when I dropped something on the floor or whatever. Now you don't need a flashlight. FYI - the picture is NOT for these LEDs. I have replaced my bulbs with similar LED bulbs (they are smaller than these 3175 dome bulbs). I wanted to show the difference in how the lights look so I left the original for comparison. These dome lights are much better as they are bigger than the map lights in the picture! The photos definitely show the difference, but they don't convey how much more comfortable it is to drive with these lights. You made such a big impression. I didn't think it would make such a big difference, but it does. (The bulbs on the card are shown in the picture (EOM 2825): AUTOONE 194 LED car interior bulbs 168 2825 W5W T10 bulbs)
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