This is the retaining nut used to hold the water temp sending unit into the thermostat housing. It's a good idea to order this when you order a sender. Better to be safe than sorry.
We can ship them in a padded envelope via the post office for 5.50 anywhere in the lower 48 states.
Last updated 10/11
This product was added to our catalog on Tuesday 28 October, 2008.
