HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsDelphi MF0087 Mechanical Fuel Pump
Part #: MF0087

Delphi MF0087 Mechanical Fuel Pump

⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick and Pontiac, Electra, Estate Wagon, LeSabre, Bonneville, and Catalina
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Reliable Mechanical Fuel Pump for Buick and Pontiac Models

The Delphi MF0087 mechanical fuel pump is designed to provide consistent fuel delivery for select Buick and Pontiac vehicles. Engineered for gas fuel systems, this pump ensures steady flow and pressure to support optimal engine performance in models like the Bonneville, Catalina, and LeSabre.

  • Compatible with Buick Bonneville, Pontiac Catalina, and Pontiac LeSabre
  • Standard replacement mechanical fuel pump for gas engines
  • Inlet outside diameter of 0.375 inches with hose bead inlet type
  • Dual threaded outlets with 5/8-18 UNF fitting size
  • Average flow rating of 44 gallons per hour at 7.5 psi system pressure
  • Includes gasket and instruction sheet for installation

Technical Specifications and Features

The Delphi MF0087 mechanical fuel pump is built to meet the fuel delivery requirements of specific Buick and Pontiac vehicles. It features a hose bead inlet with a 0.375-inch outside diameter, allowing secure connection to fuel lines. The pump has two threaded outlets sized at 5/8-18 UNF, providing reliable fuel flow distribution. Designed for gasoline fuel systems, it maintains an average flow rating of 44 gallons per hour at a system pressure of 7.5 psi. This standard replacement grade pump comes complete with a gasket and detailed installation instructions to facilitate proper setup.

Applications and Problem Resolution

  • Replaces worn or failing mechanical fuel pumps in Buick Bonneville, Pontiac Catalina, and LeSabre
  • Addresses fuel delivery issues such as inconsistent engine performance or stalling
  • Resolves fuel leaks by providing a secure gasket seal
  • Helps restore proper fuel pressure for smooth engine operation
  • Eliminates fuel pump noise caused by internal wear or damage

Installation Notes and Tips

When installing the Delphi MF0087 mechanical fuel pump, ensure the gasket is properly seated to prevent leaks. Verify that the hose bead inlet and threaded outlets are securely connected to the fuel lines. Follow the included instruction sheet carefully to maintain correct fuel line routing and pump orientation. It is recommended to inspect related fuel system components during installation to ensure overall system integrity.

Quality Assurance and Warranty

Delphi manufactures the MF0087 mechanical fuel pump to meet industry standards for durability and performance. This part is a standard replacement grade component designed to restore factory fuel delivery specifications. The package 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.

BrandDelphi
Part NumberMF0087
Average Flow Rating44
Fuel TypeGas
Gasket Or Seal IncludedYes
Inlet Outside Diameter0.375
Inlet TypeHose Bead
Item GradeStandard Replacement
Outlet Fitting Thread Size5/8-18 UNF
Outlet Quantity2
Outlet TypeThreaded
Package ContentsMechanical Fuel Pump, Gasket, Instruction Sheet
System Pressure7.5 psi

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1980BuickLeSabreN/Awith Air Conditioning
1980PontiacBonnevilleN/A
1980PontiacCatalinaN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4119764406046440698644092664410936441147644116864411976470633647096264710046471062647108968511AMF0087M6801SP1199MP

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.