For Nissan Pathfinder 3.5L V6 Automatic Transmission 2001-2002. for Nissan Pathfinder 3.5L V6 2003-2007. for Nissan Pathfinder 4.0L V6 2008-2012. Type:Thermostat Housing. 1 Thermostat Housing. The single-sensor thermostat repairs the common coolant leakage problem at the seam of the shell, makes the engine work in a suitable temperature range, and reduces engine wear and tear.