This works with the Master Compressor. regulator and cylinder pressure. The only one I found. Get new gauges while putting this on. Edited: The only reason I wanted to switch gauges was because the glass on the front was scratched so badly I couldn't read the print. You can only find a regulator gauge, it's listed here on Amazon for $16, but you can't find a tank pressure regulator gauge. But wait once the new sensors are in place the arrows pointing up and down doesn't matter because it works but to get it right you just knock the windshield off the new sensors and snap it onto the old sensors and that's it . will work great.
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