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Sinister Diesel Coolant Block-Off Plate; Blue (14-26 6.6L Duramax Sierra 3500 HD)Find parts that fit my vehicle

Item SHG66589
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$69.99

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      Product Information

      Description, Q&A

      Description

      The OEM block-off plate relies on a gasket that may leak over time. In contrast, the Sinister Diesel billet block-off plate is thicker and features a durable O-Ring seal. This O-Ring is crafted for maximum longevity. Features:Anodized Sinister BlueCNC Machined from T6-6061 Billet AluminumEtched Sinister Diesel LogoReplacement for failure-prone plate that uses a gasketFits 2014-2014 GM Duramax Coolant ReservoirsO-Ring IncludedIncludes:(1) Sinister Diesel Coolant Block-Off Plate

      Sinister Diesel SD-CBO-DMAX-01

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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      Will It Fit My Sierra 3500

      • 6.6L V8 Duramax - 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26