Replacement RC32380001 Diesel Fuel Lift Pump System 100GPH for Duramax 6.6L

The Replacement RC32380001 Diesel Fuel Lift Pump System is a complete, direct-fit solution designed for Chevrolet Silverado and GMC Sierra trucks equipped with the 6.6L Duramax V8 diesel engine. This system replaces OEM part numbers TSC10100G and A4SPBC085, delivering a reliable, high-flow fuel supply to protect your injection system and maintain peak engine performance.

Rather than relying on the factory CP3 injection pump to pull fuel from the tank, this external lift pump pushes fuel through the lines and filter, eliminating the risk of air ingestion, collapsed hoses, and fuel restrictions. The system delivers a 100 GPH (380 LPH) flow rate with a preset fuel pressure of 8–10 PSI, ensuring consistent fuel delivery under all operating conditions.

Kit Includes:

• Electric fuel lift pump
• Wiring harness
• Fuel line
• Fuel pressure regulator
• Machined steel mounting bracket
• All installation hardware

Key Features:

• 100 GPH / 380 LPH high-flow fuel delivery rate
• 2-micron filtration removes water, air, and debris from diesel fuel
• ½-inch fuel lines and ports for improved volume delivery
• Preset 8–10 PSI fuel pressure output
• Optional electric heater ports and fuel pressure gauge port
• Quiet operation for smoother engine idle
• Machined steel mounting bracket for superior strength and support
• Helps decrease carbon monoxide and carbon dioxide emissions
• Protects and extends the life of fuel injectors
• 12V electric operation

This complete lift pump system installs using existing frame bolt locations, making the installation process straightforward without the need for specialized tools. Replaces OE numbers TSC10100G and A4SPBC085.