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Fits: 2017 thru 2023 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel

*THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.*

This conversion kit is specifically engineered for the 6.6 L5P Duramax engine and replaces the factory HP4 high-pressure fuel pump with a DCR (Diesel Common Rail) pump. The kit comes complete with the pump and all required fuel lines for a direct installation.
With the DCR upgrade your fuel system gets enhanced durability and consistent performance, ideal whether you’re repairing a failed pump or upgrading for long-term reliability.

Features:

Direct replacement for the factory-installed HP4 high-pressure fuel pump
Includes fuel lines for supply, return, and high-pressure rail operation
Supports reliable high-pressure common-rail operation
Designed for long service life, especially under heavy towing loads or performance-tuned applications
USA assembled and built proudly

Injection Pumps