$9.95
Black Temperature Gauge Sensor for 86-87 2wd Vanagon. If you have an '88-91 Vanagon then you need 251919051D. Please visually confirm which version you have by looking at the pictures and then the sensor itself.
You should also order this o-ring to go with the sensor
If you have a syncro you will need the metal temp sensor which is 049919501.