1Fitment: Fit for 1500 3.0L Diesel 2014?2019, specifically designed to fit your vehicle's make and model, ensuring a perfect and seamless fit. 2OE Numbers: 52014971AB, 52014971AA are the reference part numbers. Please double check the part number of your item to ensure perfect fit. 3Enhanced Engine Protection: Engine coolant valve plays a crucial role in safeguarding the engine against potential damage caused by extreme temperature fluctuations. 4Reliable to Use: Engine coolant valve is a simple valve, no vacuum lets water pass through and when the vacuum is applied it shuts the flow off and recirculates it. 5Durable Material: The heater coolant control valve is built with Abs materials and undergoes rigorous testing to ensure durability and longevity.