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Sinister Diesel Coolant Reservoir (Degas) for 2013-2015 GM Duramax 6.6L LML
Patent Pending Replace that cracked, leaky and boring factory coolant reservoir with this stylish and high-strength all-aluminum coolant reservoir from Sinister Diesel. This 2013-15 Duramax 6.6L coolant reservoir is made from 6061 aircraft-grade aluminum that is TIG welded and pressure tested for ma...
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