Part Type: Engine Coolant Temperature Sensor. Engine Coolant Temperature Sensor. 1996 Isuzu Trooper Submodel: LS;. 1996 Isuzu Trooper Submodel: SE;. Connector Quantity: 1. California Proposition 65: WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or reproductive harm.