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Mishimoto aluminum expansion tank for 2019+ Ram with the 6.7L Cummins replaces the brittle factory plastic reservoir with a TIG‑welded unit that resists heat and wear. It includes internal baffles to prevent air pockets, an OEM‑quality level sensor to retain low‑coolant warning functionality, and fits directly in place of the stock tank without draining the entire cooling system. Available in micro‑wrinkle black and backed by a Lifetime Warranty.
Mishimoto 2019+ Ram 6.7L Cummins Expansion Tank - Black
