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Sinister Diesel Coolant Block-Off Plate; Blue (14-26 6.6L Duramax Sierra 2500 HD)Find parts that fit my vehicle

Item HG67357
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$69.99

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      Product Information

      Features, Description, Q&A

      Features

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      • The OEM Block-Off Plate Relies On A Gasket That May Leak Over Time
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      • The Sinister Diesel Billet Block-Off Plate Is Thicker And Features A Durable O-Ring Seal For Maximum Longevity
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      • Anodized Sinister Blue Finish
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      • CNC Machined From T6-6061 Billet Aluminum
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      • Etched Sinister Diesel Logo
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      • Replacement For The Failure-Prone Gasket-Based Plate
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      • Includes One Sinister Diesel Coolant Block-Off Plate
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      • Weight: Two Pounds
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      • Package Dimensions: Four Inches Wide By Two Inches High By Four Inches Long
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      • Fits 2014-2026 6.6L Duramax Sierra 2500 HD
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      Description

      Durable Coolant Seal. The Sinister Diesel Coolant Block-Off Plate ensures a reliable, leak-resistant seal for the GM Duramax 6.6L coolant reservoir, eliminating issues associated with the OEM gasket-based plate. Designed for 2014-2026 6.6L Duramax Sierra 2500 HD trucks, it provides long-lasting performance and maintains system integrity under demanding conditions.

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      Construction and Appearance. CNC machined from high-quality T6-6061 billet aluminum for strength and precision, this plate is finished in anodized Sinister Blue and features an etched logo, adding a premium look to your engine bay.

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      Installation. Installation is straightforward and requires no drilling, making it suitable for those with basic mechanical skills.

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      Application. Engineered specifically to fit 2014-2026 6.6L Duramax Sierra 2500 HD models, this plate is the ideal replacement for the OEM gasket-reliant block-off plate, providing enhanced durability and leak resistance.

      Sinister Diesel SD-CBO-DMAX-01

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

      Questions & Answers

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      Will It Fit My Sierra 2500

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