What's the 2018 Ram 1500 reverse light bulb size?

If You want to know what the reverse light bulb size is on the 2018 Ram 1500, I can help You out with that. The reverse light bulb size on Your vehicle is 921. The reverse light bulb is a very important part of backing up on the road or a parking space. It lets the drivers behind You know that You are on Your way out and that they need to slow down. Without the reverse light, there would be no way of them knowing You're backing up. That can be very dangerous and lead to an expensive accident. If You would like to know Your headlight sizes then they are H11 for low beams and 9005 for high beams.