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Amazon.com: GM Chevy Chevrolet Duramax 6.6 6.6L Diesel BLACK CAT Caterpillar Fuel Filter Adapter 2001-2016 - DK Engine Parts) (Black with 2 DK Filters) : Automotive
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iFJF 13/16"-16 to 1 1/8"-16 Oil Filter Adapter for Duramax CAT 1R-1807,478736,AGCO AG121853,BALDWIN B7225,NAPA 7791 - Walmart.com
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