I bought these in size 7440 for my 2019 RAM 2500 with standard taillights, I would also like for non-projector headlights or non-factory LED headlights. Also note that the bulb listed for the RAM is 921, my truck had a 7440 (no actual difference). Just plug in and play like a regular lightbulb. They gave no codes for a blown lightbulb on the dash. Very bright. The lamp is about twice the size of a 7440 halogen lamp, but fits well in the housing. Will update if they die at unexpected times. Images are grainy, but it's a huge improvement.
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