The Mishimoto racing thermostat for 1997–2013 Nissan Patrol Y61 (4.8L) opens at a lower temperature than standard thermostats to promote earlier coolant flow and cooler engine operation. This direct-fit thermostat helps reduce elevated coolant temperatures associated with power-adding modifications and hot climates, allowing the cooling system to begin circulating coolant sooner for improved thermal control under load.
Mishimoto 97-13 Nissan Patrol Y61 Racing Thermostat