ka24de thermostat.

[soryu]

where is it located on the s13 doch?
what hose?
anyone know what the oem opens up at?

[Phlip]

Start at your radiator hose toward the engine, and when you find THIS thing, you have found your thermostat:

http://i1.frsimg.com/images/detailed_images/Nissan_ThermoKA24DEHousing_01.jpg

I think stock is like 170º Farenheit, if I remember it right

[soryu]

is silicone sealant needed?

[Phlip]

Yes, I used a liquid gasket on mine