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Part #: MF0078

Delphi MF0078 Mechanical Fuel Pump

⚙️ 34 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mercury, and Lincoln, LTD, Grand Marquis, Marquis, Thunderbird, Cougar, F-350, Granada, Continental, Mark VI, Versailles, Monarch, Fairmont, Mustang II, Zephyr, Maverick, and Comet
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Reliable Mechanical Fuel Pump for Ford, Lincoln, and Mercury Vehicles

The Delphi MF0078 mechanical fuel pump is designed to provide consistent fuel delivery for select Ford, Lincoln, and Mercury models. Engineered for gas fuel systems, this pump ensures steady flow and pressure to support optimal engine performance.

Key Features of Delphi MF0078 Mechanical Fuel Pump

  • Inlet outside diameter: 0.313 inches for precise fitment
  • Compatible with gasoline fuel systems
  • Includes gasket and instruction sheet for straightforward installation
  • Threaded inlet and outlet fittings with 1/2-20 UNF thread size
  • Single outlet design with 7 psi system pressure rating
  • Average flow rating of 30 gallons per hour
  • Standard replacement grade for reliable durability

Detailed Product Description

The Delphi MF0078 mechanical fuel pump is engineered to meet the fuel delivery requirements of various Ford, Lincoln, and Mercury vehicles, including models such as the Ford F-350, Lincoln Continental, Mercury Cougar, and others. Its threaded inlet and outlet fittings ensure secure connections, while the included gasket helps maintain a proper seal to prevent leaks. Designed for gasoline fuel systems, this pump operates at a system pressure of 7 psi and delivers an average flow rate of 30 gallons per hour, supporting consistent engine performance under normal operating conditions.

Applications and Common Issues Addressed

  • Replacement for worn or failing mechanical fuel pumps in compatible Ford, Lincoln, and Mercury models
  • Resolves fuel delivery interruptions causing engine stalling or hesitation
  • Addresses low fuel pressure issues affecting engine performance
  • Prevents fuel leaks with included gasket and proper sealing
  • Supports restoration of proper fuel flow in aging fuel systems

Installation Notes and Tips

  • Ensure compatibility with your vehicle’s make and model before installation
  • Use the included gasket to maintain a secure, leak-free seal
  • Verify that inlet and outlet fittings match the 1/2-20 UNF thread size
  • Follow the provided instruction sheet carefully for correct mounting and connection
  • Check fuel lines for wear or damage during installation and replace if necessary

Quality Assurance and Warranty Information

Delphi mechanical fuel pumps are manufactured to meet industry standards for durability and performance. The MF0078 is a standard replacement grade part, designed to provide reliable service in compatible Ford, Lincoln, and Mercury vehicles. While specific warranty terms may vary, Delphi products typically come with a limited warranty against defects in materials and workmanship to ensure customer confidence.

BrandDelphi
Part NumberMF0078
Average Flow Rating30
Fuel TypeGas
Gasket Or Seal IncludedYes
Inlet Outside Diameter0.313
Inlet TypeThreaded
Item GradeStandard Replacement
Outlet Fitting Thread Size1/2-20 UNF
Outlet Quantity1
Outlet TypeThreaded
Package ContentsMechanical Fuel Pump, Gasket, Instruction Sheet
System Pressure7 psi

This part fits 34 vehicles. Search below:

YearMakeModelPositionNotes
1985FordLTDN/ACompatible with 2 Line Pump and no need for a Return Line.
1984FordLTDN/ACompatible with 2 Line Pump and no need for a Return Line.
1982FordLTDN/ACompatible with 2 Line Pump and no need for a Return Line.
1982MercuryGrand MarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1982MercuryMarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1981FordLTDN/Awith California Emission System; with 2 Line Pump; without Return Line
1981FordLTDN/ACompatible with 2 Line Pump and no need for a Return Line.
1981FordThunderbirdN/ACompatible with 2 Line Pump and no need for a Return Line.
1981MercuryCougarN/ACompatible with 2 Line Pump and no need for a Return Line.
1981MercuryGrand MarquisN/Awith California Emission System; with 2 Line Pump; without Return Line
1981MercuryGrand MarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1981MercuryMarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1980FordF-350N/ACompatible with 2 Line Pump and no need for a Return Line.
1980FordLTDN/Awith California Emission System; with 2 Line Pump; without Return Line
1980FordLTDN/ACompatible with 2 Line Pump and no need for a Return Line.
1980LincolnContinentalN/ACompatible with 2 Line Pump and no need for a Return Line.
1980LincolnMark VIN/ACompatible with 2 Line Pump and no need for a Return Line.
1980LincolnVersaillesN/ACompatible with 2 Line Pump and no need for a Return Line.
1980MercuryGrand MarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1980MercuryMarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1980MercuryMonarchN/ACompatible with 2 Line Pump and no need for a Return Line.
1979FordLTDN/ACompatible with 2 Line Pump and no need for a Return Line.
1979LincolnVersaillesN/ACompatible with 2 Line Pump and no need for a Return Line.
1979MercuryGrand MarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1979MercuryMarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1979MercuryMonarchN/ACompatible with 2 Line Pump and no need for a Return Line.
1978FordFairmontN/ACompatible with 2 Line Pump and no need for a Return Line.
1978LincolnVersaillesN/ACompatible with 2 Line Pump and no need for a Return Line.
1978MercuryGrand MarquisN/ACompatible with 2 Line Pump and no need for a Return Line.
1978MercuryMonarchN/ACompatible with 2 Line Pump and no need for a Return Line.
1978MercuryZephyrN/ACompatible with 2 Line Pump and no need for a Return Line.
1977LincolnVersaillesN/ACompatible with 2 Line Pump and no need for a Return Line.
1977MercuryMonarchN/ACompatible with 2 Line Pump and no need for a Return Line.
1976MercuryMonarchN/ACompatible with 2 Line Pump and no need for a Return Line.

* 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:

644125364712016472099675068423AMF0078D60E 9350-ABD60E 9350-BAD60Z 9350-AD6OE9350ABD6OE9350BAD6OZ9350AD8BE 9350-AAE2AE 9350-CAE2AZ 9350-CE7AZ 9350-AM6750SP1050MP

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

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