Carter P74778M Fuel Pump Module Assembly

Reliable Fuel Pump Module Assembly for Chevrolet and GMC Vans

The Carter P74778M fuel pump module assembly is designed specifically for Chevrolet Express and GMC Savana vans, including 1500, 2500, and 3500 models. This electric fuel pump module ensures consistent fuel delivery with a built-in fuel sending unit and external strainer for optimal performance.

• Fuel sending unit included for accurate fuel level readings
• Negative ground compatible for proper electrical connection
• Spade terminal type with male terminals and oval connector shape
• External strainer inlet type with hose connection outlet fitting (5/16 thread size)
• Includes wire harness and gasket/seal for installation
• Electric pump with 12V voltage, minimum flow rating of 20, and minimum pressure of 60 psi
• Specific fit for Chevrolet Express and GMC Savana 1500, 2500, and 3500 models

Detailed Product Description

The Carter P74778M fuel pump module assembly is engineered to meet the exact specifications of Chevrolet Express and GMC Savana vans, ensuring a precise fit and reliable operation. This module features an integrated fuel sending unit, allowing your vehicle’s fuel gauge to provide accurate readings. The electric pump operates at 12 volts, delivering a minimum flow rating of 20 and maintaining a minimum pressure of 60 psi to support efficient fuel delivery under various driving conditions.

Designed with a negative ground system and spade-type male terminals, the module connects easily to your vehicle’s wiring harness, which is included for convenience. The external strainer inlet helps filter out debris before fuel enters the pump, protecting the fuel system components. The outlet uses a hose connection with a 5/16-inch threaded fitting, compatible with factory fuel lines. A gasket or seal is included to ensure a secure, leak-free installation.

Common Applications and Issues Addressed

• Replacement for failing or noisy fuel pumps in Chevrolet Express and GMC Savana vans
• Resolves inaccurate fuel gauge readings due to faulty fuel sending units
• Addresses fuel delivery problems causing engine hesitation or stalling
• Prevents fuel system contamination with external strainer protection
• Restores proper fuel pressure and flow for consistent engine performance

Installation Notes and Tips

Installation of the Carter P74778M fuel pump module assembly requires removal of the fuel tank access panel or tank drop, depending on the vehicle model. Ensure the vehicle is safely supported and the battery is disconnected before beginning work. The included wire harness and gasket simplify the replacement process, but mounting hardware and lock ring are not included and may need to be reused from the original assembly. Verify all electrical connections are secure and test fuel pressure after installation to confirm proper operation.

Quality Assurance and Warranty

Carter fuel pump modules are manufactured to meet OEM standards for fit, form, and function. The P74778M part undergoes rigorous testing to ensure durability and reliable performance in Chevrolet Express and GMC Savana vans. While specific warranty details are not provided here, Carter typically offers limited warranties on their fuel delivery components. Consult product documentation or authorized sources for exact warranty terms.