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This Industrial Injection CP3 injection pump is specified for 2004.5–2005 LLY Duramax applications as a stock replacement. Provided as the factory-style CP3 unit, it matches the original pump specification for diesel fuel delivery on the listed engine and model years. The explicit fitment text allows buyers to confirm compatibility with their LLY Duramax trucks.
Industrial Injection 04.5-05 LLY Duramax Stock CP3 Injection Pump
