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  • Duramax Diesel Fuel Filter Replacement Guide

    , by iFJF Direct 2001-2016 Duramax Diesel Fuel Filter Replacement: Complete DIY Guide (With NAPA 3960)

    Step-by-step Duramax fuel filter replacement guide for 2001-2016 6.6L engines. Covers inner fender removal, water sensor disconnect, O-ring lubrication, and priming procedure. NAPA 3960 compatible.

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