The 2005-2010 Hyundai Azera Coolant Temperature Sensor Unit 39220-38030 is a single sensor with one wire quantity, designed for direct replacement in the engine compartment. It features blade & bullet terminal type and comes with a manufacturer warranty of 1 month. This sensor is manufactured by Hyundai and Kia in South Korea, and is a genuine part with superseded part numbers 39230-26700 and 39220-38020. Additionally, it comes with a California Prop 65 warning due to potential exposure to chemicals known to cause cancer and birth defects.