1、Applicable Model: The thermostat is replacement for Dodge Dart and replacement for Jeep Cherokee Renegade 2.4L, please check whether your model is applicable before buying. 2、OE Number: The part number for reference are 5047861AC and 99637ST, please confirm whether it is consistent with the OE you need. 3、Meet a Criterion: After strict testing by manufacturers, the thermostat meets or exceeds OEM standards, to ensure the security and reliability of its use. 4、Efficient: Engine Thermostat can improve temperature regulation and control to keep the engine at its optimum temperature to help the engine operate more efficiently. 5、Easy Adaptation and Installation: Can directly replace the old or bad parts, fit with your car and can be installed and changed without special tools.