2004.5-2007 5.9L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by replacing the aging, yellowed plastic coolant reservoir with our custom powder coated fabricated aluminum coolant tank. Includes black anodized CNC machined billet aluminum cap and mounting hardware. Will fit on stock trucks with no other modifications necessary. Uses OEM mounting points Installs with basic hand tools. FITS 2004.5-2007 5.9L Cummins. Not compatible with 2003 or early 2004 Dodge Ram 2500 and 3500 models which have the coolant tank mounted on the radiator core support. Replaces the following MOPAR part numbers: 55056493AA, 55056493AB

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