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Doc's Diesel Fuel Filter, Fits 6.6L Duramax Chevrolet/GMC 2500HD 2017-2026 | Independent Testing Rates It At 96.92 Percent Efficiency Down To 3 Microns

Doc's Diesel Fuel Filter, Fits 6.6L Duramax Chevrolet/GMC 2500HD 2017-2026 | Independent Testing Rates It At 96.92 Percent Efficiency Down To 3 Microns

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Availability checked 2026-09-19 · current price shown on Amazon

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Doc's Diesel Fuel Filter DGF429 | Compatible with Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD 2017-2019, Chevrolet/GMC 3.0L Duramax 2500HD, 3500HD 2020+ | Replaces TP1015. Fuel-system hardware to keep the Duramax fed reliably at stock and elevated power.

Key Features

  • Reliable fuel delivery
  • Supports higher power
  • Direct-fit hardware
  • Protects the injection system

Best for: Reliable fueling at stock or elevated power

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Doc's Diesel Fuel Filter, Fits 6.6L Duramax Chevrolet/GMC 2500HD 2017-2026 | Independent Testing Rates It At 96.92 Percent Efficiency Down To 3 Microns

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