Delphi MF0159 Mechanical Fuel Pump

Overview of Delphi Mechanical Fuel Pump MF0159

The Delphi MF0159 mechanical fuel pump is designed for reliable fuel delivery in select Buick, Chevrolet, Jeep, Oldsmobile, and Pontiac vehicles. Engineered to meet standard replacement specifications, this fuel pump supports gas fuel systems with a consistent flow rate and includes necessary gaskets for installation.

• Compatible with Buick Citation, Chevrolet Omega, Jeep CJ5 and CJ7, Oldsmobile Phoenix, Pontiac Scrambler, and Skylark models
• Standard replacement mechanical fuel pump with 5 psi system pressure
• Inlet outside diameter of 0.313 inches with hose bead inlet type
• Single threaded outlet with 1/2-20 UNF fitting for secure connection
• Average flow rating of 38 gallons per hour for steady fuel supply
• Includes mechanical fuel pump, gaskets, and instruction sheet for installation

Technical Details and Specifications

The Delphi MF0159 mechanical fuel pump is designed for gasoline fuel systems requiring a 5 psi pressure. The inlet features a hose bead type with an outside diameter of 0.313 inches, ensuring compatibility with standard fuel hoses. The outlet is threaded with a 1/2-20 UNF fitting, providing a secure and leak-resistant connection. This pump delivers an average flow rating of 38 gallons per hour, suitable for maintaining consistent fuel delivery in older model vehicles. The package includes the fuel pump itself, gaskets for sealing, and an instruction sheet to assist with proper installation.

Applications and Problem Solving

• Replaces worn or failing mechanical fuel pumps in Buick Citation and Chevrolet Omega
• Restores proper fuel pressure and flow in Jeep CJ5 and CJ7 models
• Addresses fuel delivery issues such as engine stalling or hesitation in Oldsmobile Phoenix
• Eliminates fuel leaks by providing a secure threaded outlet fitting for Pontiac Scrambler
• Supports consistent engine performance in Pontiac Skylark with standard replacement pump

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use included gaskets to prevent fuel leaks and maintain system integrity
• Verify hose connections match the 0.313 inch inlet hose bead diameter
• Check outlet fitting thread size (1/2-20 UNF) for proper hose or line attachment
• Follow the provided instruction sheet carefully to avoid installation errors

Quality Assurance and Warranty

The Delphi MF0159 mechanical fuel pump is manufactured to meet standard replacement quality levels, ensuring reliable operation within specified system pressures. The inclusion of gaskets and detailed instructions supports proper installation and long-term performance. While specific warranty details are not provided, Delphi products typically adhere to industry standards for durability and function in automotive fuel delivery systems.