Audi 4000 water temperature gauges are one of the basics found in most vehicles, which should also tell you just how important they are. Aftermarket Audi 4000 water temperature gauges tend to be a lot more accurate than factory Audi 4000 water temperature gauges, as some of the factory gauges aren't as precise in measuring temperature changes.

Audi 4000 Water Temperature Gauges Page 3