The Dorman 603-571 Coolant Overflow Reservoir is a bolt-on style tank designed for Dodge and Ram vehicles from 2009 to 2021. Made of durable plastic, this non-pressurized reservoir comes with a hose included for easy installation. It has a 5-inch diameter, 21-inch length, and 12-inch height, providing a perfect fit for your vehicle. The product is 100% leak tested and durability tested, ensuring reliability and performance. With California Prop 65 Warning for cancer and reproductive harm, this Dorman reservoir is a quality and safe choice for your vehicle's cooling system.