68289857AA Engine Coolant Reservoir Tank with Cap Compatible with 2017 - 2022 Jeep Compass, 2015 - 2018 Jeep Renegade, 2016 - 2018 Fiat 500X | Overflow Tank Replaces# 603-841, 68327756AA

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 - 603-841, 603841, 68289857AA, 68327756AA, CH3014170. 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 Jeep & Fiat Models - This radiator overflow tank is compatible with 2017 - 2022 Jeep Compass, 2015 - 2018 Jeep Renegade, 2016 - 2018 Fiat 500X. 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.

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