RAM 3500 Truck 4WD V8-5.9L VIN 5 HDC (1999)
Thermostat: Description and Operation
Thermostat-3.9L V-6 Or 5.2/5.9L V-8 Gas Powered Engines
Thermostat-8.0L V-10 Engine
The thermostat on all gas powered engines is located beneath the thermostat housing at the front of the intake manifold.