2015 INFINITI Q70L Engine: 3.7L V6;. 2015 INFINITI Q70L Engine: 5.6L V8;. Part Type: Engine Coolant Temperature Sensor. Engine Coolant Temperature Sensor. 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.