2017 NV2500 SL. 2017-2019 NV2500 (submodel: S, SV). 2011-2013 QX56 Base. 2018-2020 Armada Platinum Reserve. 2017-2020 Armada (submodel: Platinum, SL, SV). A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine.
