Delphi MF0086 Mechanical Fuel Pump

Reliable Mechanical Fuel Pump for Buick Vehicles

The Delphi MF0086 mechanical fuel pump is designed to provide consistent fuel delivery for select Buick models. Engineered for gas fuel systems, this pump ensures steady flow and pressure to support engine performance in vehicles like the Buick Century, LeSabre, Regal, Riviera, and Skylark.

• Compatible with Buick Century, LeSabre, Regal, Riviera, and Skylark
• Standard replacement mechanical fuel pump for gas engines
• Threaded inlet and outlet fittings with 0.375 inch inlet diameter
• Includes gasket and instruction sheet for installation
• Average flow rating of 40 gallons per hour at 7 psi system pressure
• Outlet fitting thread size: 5/8-18 UNF

Product Features and Specifications

The Delphi MF0086 mechanical fuel pump is built to meet the fuel delivery requirements of various Buick models. It features a threaded inlet and outlet, both designed for secure connections, with an inlet outside diameter of 0.375 inches. The pump operates at a system pressure of 7 psi, delivering an average flow rate of 40 gallons per hour, suitable for standard gas fuel systems. This pump comes with a gasket to ensure a proper seal during installation and includes an instruction sheet to assist with the replacement process.

Applications and Problem Resolution

This mechanical fuel pump is intended for use in Buick vehicles including the Century, LeSabre, Regal, Riviera, and Skylark. It is a standard replacement part designed to address common fuel delivery issues such as:

• Inconsistent fuel flow causing engine hesitation
• Fuel leaks due to worn or damaged seals
• Low fuel pressure affecting engine performance
• Fuel pump failure resulting in engine stalling or no start conditions
• Wear and tear from extended use in gas fuel systems

Installation Notes and Tips

When installing the Delphi MF0086 mechanical fuel pump, ensure the gasket is properly seated to prevent leaks. The threaded inlet and outlet fittings require secure tightening to maintain system pressure. Follow the included instruction sheet carefully to align the pump correctly with the engine’s fuel system. It is recommended to inspect fuel lines and connections during installation to ensure overall system integrity.

Quality Assurance and Warranty

Delphi mechanical fuel pumps are manufactured to meet industry standards for durability and performance. The MF0086 part number represents a standard replacement grade component designed for reliable operation in compatible Buick models. This product includes a gasket and installation instructions to support proper fitment and function. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.