Delphi MF0156 Mechanical Fuel Pump

Reliable Mechanical Fuel Pump for Pontiac Vehicles

The Delphi MF0156 mechanical fuel pump is designed to provide consistent fuel delivery for select Pontiac models. Engineered for gasoline systems, this pump ensures steady fuel flow and pressure to support optimal engine performance.

• Compatible with Pontiac Bonneville, Catalina, Firebird, GTO, LeMans, and Tempest models
• Standard replacement grade mechanical fuel pump
• Fuel type: Gasoline
• Inlet outside diameter: 0.375 inches with hose bead inlet type
• Single outlet with 5/8-18 UNF threaded fitting
• Average flow rating of 40 gallons per hour
• System pressure rated at 6 psi
• Includes mechanical fuel pump and instruction sheet; gasket or seal not included

Technical Details and Specifications

The Delphi MF0156 mechanical fuel pump is designed for gasoline fuel systems requiring a steady flow rate of approximately 40 gallons per hour at a system pressure of 6 psi. The inlet features a 0.375-inch outside diameter hose bead connection, while the outlet is a single threaded fitting sized 5/8-18 UNF, ensuring secure attachment to compatible fuel lines. This pump is a standard replacement part, engineered to meet the original equipment specifications for Pontiac models including the Bonneville, Catalina, Firebird, GTO, LeMans, and Tempest.

Applications and Common Issues Addressed

• Restores proper fuel delivery in Pontiac Bonneville and Firebird vehicles experiencing fuel starvation
• Replaces worn or leaking mechanical fuel pumps in Pontiac GTO and LeMans models
• Resolves low fuel pressure issues causing engine hesitation or stalling in Pontiac Catalina and Tempest
• Addresses fuel pump failure symptoms such as hard starting or poor acceleration
• Supports maintenance and restoration projects requiring OEM-spec fuel pump replacements

Installation Notes and Tips

Installation of the Delphi MF0156 mechanical fuel pump requires basic mechanical skills and appropriate tools. Ensure the fuel system is depressurized before removal. The inlet hose bead connection should be securely clamped to prevent leaks, and the outlet threaded fitting must be tightened to manufacturer torque specifications. Note that this pump does not include a gasket or seal, so reuse the original or source a compatible replacement to ensure a proper seal. Follow the included instruction sheet for detailed installation guidance.

Quality Assurance and Warranty Information

Delphi manufactures the MF0156 mechanical fuel pump to meet standard replacement quality levels, ensuring reliable operation within specified parameters. While no specific warranty details are provided, Delphi products typically adhere to industry standards for durability and performance. For best results, verify compatibility with your Pontiac model and inspect all connections during installation.