Delphi MF0057 Mechanical Fuel Pump

Reliable Mechanical Fuel Pump for Chevrolet and GMC Trucks

The Delphi MF0057 mechanical fuel pump is designed to deliver consistent fuel flow for gas-powered Chevrolet and GMC trucks. Engineered as a standard replacement part, it ensures proper fuel delivery for models like the K10, K20, and K1500 Suburban.

• Inlet outside diameter: 0.375 inches
• Fuel type: Gasoline compatible
• Includes gasket and seal for secure installation
• Hose bead inlet and threaded outlet fitting (5/8-18 unf)
• Single outlet with an average flow rating of 40 gallons per hour
• System pressure rating of 9 psi
• Package includes mechanical fuel pump, gaskets, and instruction sheet

Technical Details and Compatibility

This Delphi mechanical fuel pump (part number MF0057) is specifically designed for use with Chevrolet and GMC trucks, including the Jimmy, K5 Blazer, K10, K10 Suburban, K20, K20 Suburban, K30, K1500, K1500 Suburban, K2500, K2500 Suburban, and K3500 models. The pump features a hose bead inlet with a 0.375-inch outside diameter and a threaded outlet fitting sized at 5/8-18 unf, providing a secure connection to your fuel lines. With an average flow rating of 40 gallons per hour and a system pressure of 9 psi, this pump supports efficient fuel delivery for gas engines in these vehicles.

Common Applications and Problem Resolution

• Replaces worn or leaking mechanical fuel pumps in Chevrolet and GMC trucks
• Restores proper fuel pressure and flow to prevent engine stalling or hesitation
• Addresses fuel delivery issues caused by damaged inlet or outlet fittings
• Eliminates fuel leaks with included gasket and seal
• Supports maintenance and restoration of classic truck fuel systems

Installation Notes and Tips

Installation of the Delphi MF0057 mechanical fuel pump requires basic mechanical skills and tools. Ensure the engine is cool and fuel lines are depressurized before removal. Use the included gasket and seal to prevent leaks and tighten the threaded outlet fitting to manufacturer torque specifications. Verify all connections are secure and test for leaks after installation. Refer to the included instruction sheet for detailed guidance.

Quality Assurance and Warranty

Delphi manufactures the MF0057 mechanical fuel pump to meet standard replacement part specifications, ensuring reliable performance and durability. The product includes a gasket and seal to support proper installation. While specific warranty details are not provided, Delphi parts typically adhere to industry quality standards for automotive fuel system components.