DCR Fuel Pump Conversion Kit, 2017-2023 L5P
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 in an ISO 9001:2015 certified facility
Includes:
- DCR Fuel Pump
- High-Pressure Pump Fuel Tube
- High-Pressure Rail Fuel Tube
- Low-Pressure Return Fuel Tube
- Low-Pressure Supply Fuel Tube
- Supply Hold-Down Bolt
Original: $2,430.00
-65%$2,430.00
$850.50








Description
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 in an ISO 9001:2015 certified facility
Includes:
- DCR Fuel Pump
- High-Pressure Pump Fuel Tube
- High-Pressure Rail Fuel Tube
- Low-Pressure Return Fuel Tube
- Low-Pressure Supply Fuel Tube
- Supply Hold-Down Bolt


















