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Sinister Diesel Coolant Filtration System (w/ WIX) for 2007.5-2012 Dodge Cummins 6.7L
**This will not fit if AMP Research Steps are installed** Even on freshly rebuilt, or brand new engines, the coolant is usually contaminated with microscopic particles including casting sand leftover from the manufacturing process, metal shavings, rust, and mineral deposits that can diminish the coo...
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