What Does a Coolant Reservoir Do? - A coolant reservoir is a small plastic tank that is connected to the radiator of a car’s cooling system. Its primary function is to provide a space for excess coolant to expand and contract as the engine heats up and cools down. Keep the engine operating at a normal temperature. Part Numbers - 603-832, 603832, 52014880AA. This radiator surge tank matches the fit and function of the original part. This is NOT a genuine part, it's an aftermarket replacement part. Compatible with Select Ram Models - This coolant overflow reservoir is compatible with 2014 - 2017 Ram ProMaster 1500 L4 3.0L, 2014 - 2021 Ram ProMaster 1500 V6 3.6L, 2014 - 2018 Ram ProMaster 2500 L4 3.0L, 2014 - 2021 Ram ProMaster 2500 V6 3.6L, 2014 - 2018 Ram ProMaster 3500 L4 3.0L, 2014 - 2021 Ram ProMaster 3500 V6 3.6L. Please check the description or enter Year/Make/Model on Amazon's Fitment Filter system to confirm your compatibility. Replacement Instruction - Turn off and cool down the car, disconnect the drain line, remove the retaining bolts and swap in the new reservoir tank. Professional installation is highly recommended. Durable and Long Lasting - This Coolant Recovery Tank is manufactured from quality materials, durable and long lasting. It is thoroughly tested to ensure optimum fit and performance on specific vehicle applications. Professional installation is highly recommended. Features -
Premium material.
Direct replacement.
Keeps the engine operating at a normal temperature.

Specifications -
Part Number: 603-832, 603832, 52014880AA.
Color: Clear
Position: Front
Cap Included: Yes
Pressurized: Yes
Cap Maximum Pressure Rating: 20.3 PSI
Cap Type: Spring Loaded Twist
Mounting Hole Quantity: 3
Material: Plastic

Compatible with Select Ram Models -

2014 - 2017 Ram ProMaster 1500 L4 3.0L

2014 - 2021 Ram ProMaster 1500 V6 3.6L

2014 - 2018 Ram ProMaster 2500 L4 3.0L

2014 - 2021 Ram ProMaster 2500 V6 3.6L

2014 - 2018 Ram ProMaster 3500 L4 3.0L

2014 - 2021 Ram ProMaster 3500 V6 3.6L

Package Includes -
1 x Coolant Radiator Reservoir Tank with Cap