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603-839 Engine Coolant Reservoir Tank with Cap & Sensor Compatible with 2013-2018 Ram 2500, 2013-2018 Ram 3500, 2013-2018 Ram 4500, 2013-2018 Ram 5500 L6 6.7L | Replaces # 68166475AC

4.3 (65 items)

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New $65.91 (tax included) Number of stocks: 1

Used $26.36 (tax included) New Arrivals and Restocks Number in stock: 1

$39.55 cheaper than the new price!!

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New $65.91

Management number	212936265	Release Date	2026/04/12	List Price	$26.36	Model Number	212936265
Category	Automotive Replacement Parts Engine Cooling & Climate Control Coolant Recovery Kits

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 - 603-839, 603-839, 68166475AB, 68166475AC, 68166475AD. 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 radiator overflow tank is compatible with 2013 - 2018 Ram 2500 | 2013 - 2018 Ram 3500 | 2013 - 2018 Ram 4500 | 2013 - 2018 Ram 5500. 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.

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