Sparta PN3146 Fuel Pump Module Assembly

Fuel Pump Module Assembly for Silverado and Sierra

Sparta PN3146 is a specific-fit in-tank fuel pump module assembly for select 2004-2007 Chevrolet Silverado and GMC Sierra trucks. It includes the fuel sending unit, regulator, strainer, fuel filter, gasket/seal, and fuel tank pressure sensor for a complete standard replacement.

Key Features

• Specific-fit fuel pump module assembly for select Silverado and Sierra applications
• Electric turbine pump design with 12-volt operation
• In-tank configuration with quick-connect outlet and oval 1-connector design
• Fuel sending unit, regulator, strainer, fuel filter, and seal included
• Flex fuel application with maximum pressure of 73 psi and average flow rating of 38
• Plastic housing with nitrile rubber gasket/seal material
• Fuel tank pressure sensor included

Detailed Description

Sparta PN3146 is built as a standard replacement fuel pump module assembly for higher-mileage and earlier-model vehicles. Backed by Delphi distribution expertise, it is engineered for fit and performance on select Chevrolet Silverado and GMC Sierra trucks, including 2004-2006 Silverado 1500, 2500 HD, and 3500; 2004 Silverado 2500; 2004-2006 Sierra 1500, 2500 HD, and 3500; and 2007 Silverado and Sierra Classic models. This part cross-references Bosch 66072 for the same application.

What It Helps Address

• Hard starting caused by weak or inconsistent fuel delivery
• Engine hesitation or stalling from low fuel pressure
• Fuel gauge inaccuracies related to a worn sending unit
• Fuel system pressure faults tied to a failing module regulator
• Driveability issues on flex-fuel Silverado and Sierra trucks

Installation Notes and Tips

Install this module in the fuel tank using the correct vehicle-specific procedure. Verify connector shape, terminal count, outlet type, and tank configuration before installation. The package includes the fuel pump module assembly with float arm, seal, and instruction sheet; mounting hardware and lock ring are not included. Replace the tank seal and inspect the fuel lines and electrical connector condition during service.

Quality Assurance

Sparta is distributed by Delphi, an OE full-line fuel supplier, and is positioned for earlier-model, higher-mileage vehicle applications where correct fit and dependable fuel system performance matter. PN3146 is a specific-fit replacement built to OE-style requirements for the listed Chevrolet Silverado and GMC Sierra trucks.