Dorman 603-378 Pressurized Coolant Reservoir

The Dorman 603-378 Pressurized Coolant Reservoir is a direct replacement engine coolant reservoir engineered to match the fit and function of the original equipment on select Dodge Dart models (2013-2016). This reservoir is designed to maintain proper engine temperature by collecting and storing excess coolant as it expands and contracts during normal engine operation.

Key Features:

• Manufactured from quality plastic materials to withstand underhood heat and engine vibration
• Pressurized design with integrated cap for proper cooling system operation
• Direct OE replacement for seamless installation with no modifications required
• White plastic construction matches original equipment specifications
• Recirculating design returns coolant to the engine as needed
• Stock configuration fits in original mounting location

Part of Dorman's OE Solutions line, this coolant reservoir is backed by over 100 years of automotive aftermarket experience. It provides a reliable, cost-effective alternative to expensive dealer parts while maintaining OEM quality and performance. The reservoir helps prevent coolant contamination in your engine compartment and protects against overheating issues caused by cracked or leaking original reservoirs.