TEMPERATURE GAUGE

Hi
I need a replacement temp. gauge.
can anyone help, please?
Den

You probably don't need a temp gauge but need to repair your existing one.  They usually fail do to Cold solder joints on the contact studs.

Repairing your Flaky Water Temp Gauge | Volkswagen Owners Club Forum

Many thanks Briano. I'll give it a try.
PS What's the function of the Phenolic washer?

So you don't damage the mylar as you tighten the screw back down.