HomeCarter M6878 Mechanical Fuel Pump
Part #: M6878

Carter M6878 Mechanical Fuel Pump

63 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, and Mercury, LTD, Mark V, Grand Marquis, Ranchero, Continental, Marquis, Country Squire, Custom 500, F-100, Galaxie 500, Gran Torino, Ranch Wagon, Thunderbird, Torino, Mark IV, Colony Park, Cougar, Montego, Monterey, Country Sedan, Mark III, Cyclone, Fairlane, Falcon, Marauder, and Comet
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Reliable Mechanical Fuel Pump for Ford, Lincoln, and Mercury Vehicles

The Carter M6878 mechanical fuel pump is designed to deliver consistent fuel flow and pressure for select Ford, Lincoln, and Mercury models. Engineered to meet the specific requirements of vehicles like the Ford F-100 and Lincoln Continental, this fuel pump ensures proper fuel delivery for optimal engine performance.

Key Features of the Carter M6878 Mechanical Fuel Pump

  • Inlet outside diameter: 9.5 mm for precise hose connection
  • Includes gasket or seal for secure installation
  • Two mounting holes for stable attachment
  • Single inlet hose type and single threaded outlet
  • Outlet fitting thread size: 1/2-20 UNF
  • Minimum flow rating of 23 gallons per hour
  • Operating pressure range between 5.5 and 7 psi
  • Mechanical pump type suitable for classic vehicle fuel systems

Detailed Description of the Carter M6878 Fuel Pump

This mechanical fuel pump is specifically designed for use in Ford, Lincoln, and Mercury vehicles including models such as the Colony Park, Cougar, Grand Marquis, Marauder, Montego, Thunderbird, and LTD. The pump features a hose-type inlet with a 9.5 mm outside diameter and a threaded outlet with a 1/2-20 UNF fitting, ensuring compatibility with factory fuel lines. With a minimum flow rating of 23 gallons per hour and a pressure range from 5.5 to 7 psi, the M6878 maintains steady fuel delivery to support engine operation under various conditions. The pump mounts securely using two mounting holes and includes a gasket or seal to prevent leaks during installation. Note that mounting hardware is not included.

Common Applications and Issues Addressed

  • Restores proper fuel pressure in Ford F-100 and Mercury Cougar models
  • Replaces worn or leaking mechanical fuel pumps in Lincoln Continental and Grand Marquis
  • Solves fuel delivery interruptions causing engine hesitation or stalling
  • Addresses low fuel flow issues affecting engine performance
  • Suitable for maintenance or restoration projects on classic Ford and Mercury vehicles

Installation Notes and Tips

  • Ensure the gasket or seal included is properly seated to prevent fuel leaks
  • Verify the inlet hose diameter matches the 9.5 mm specification for a secure fit
  • Use appropriate mounting hardware as it is not included with the pump
  • Check the outlet fitting thread size (1/2-20 UNF) for compatibility with existing fuel lines
  • Follow vehicle-specific service manual instructions for mechanical fuel pump replacement

Quality Assurance and Warranty Information

The Carter M6878 mechanical fuel pump is manufactured to meet OEM specifications for fit, form, and function on compatible Ford, Lincoln, and Mercury vehicles. It includes a gasket or seal to ensure a proper installation. While mounting hardware is not included, the pump is designed for durability and consistent fuel delivery. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandCarter
Part NumberM6878
Gasket Or Seal IncludedYes
Inlet Outside Diameter9.5
Inlet Quantity1
Inlet TypeHose
Maximum Pressure7
Minimum Flow Rating23
Minimum Pressure5.5
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Outlet Fitting Thread Size1/2-20 UNF
Outlet Quantity1
Outlet TypeThreaded
Pump TypeMechanical

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1978FordLTD7.5LV8N/A
1978FordLTD7.5LV8N/Awith Police Package
1978MercuryGrand Marquis7.5LV8N/A
1977FordLTD7.5LV8N/ALate Production; without Return Line
1977FordLTD7.5LV8N/ALate Production; with Police Package; without Return Line
1977LincolnContinental7.5LV8N/ALate Production
1977MercuryGrand Marquis7.5LV8N/ALate Production; without Return Line
1977MercuryMarquis7.5LV8N/ALate Production; without Return Line
1974FordF-1007.5LV8N/A
1974FordLTD7.5LV8N/A
1974FordThunderbird7.5LV8N/A
1974LincolnContinental7.5LV8N/A
1974MercuryColony Park7.5LV8N/A
1974MercuryCougar7.5LV8N/A
1974MercuryMarquis7.5LV8N/A
1974MercuryMontego7.5LV8N/A
1973FordLTD7.0LV8N/Awithout Police Package
1973FordLTD7.5LV8N/A
1973FordThunderbird7.0LV8N/A
1973FordThunderbird7.5LV8N/A
1973LincolnContinental7.5LV8N/A
1973MercuryColony Park7.0LV8N/A
1973MercuryColony Park7.5LV8N/A
1973MercuryCougar7.5LV8N/A
1973MercuryMarquis7.0LV8N/A
1973MercuryMarquis7.5LV8N/A
1973MercuryMontego7.0LV8N/A
1973MercuryMontego7.5LV8N/A
1972FordLTD7.0LV8N/Awithout Police Package
1972FordLTD7.5LV8N/A
1972FordThunderbird7.0LV8N/A
1972FordThunderbird7.5LV8N/A
1972LincolnContinental7.5LV8N/A
1972MercuryColony Park7.0LV8N/A
1972MercuryColony Park7.5LV8N/A
1972MercuryMarquis7.0LV8N/A
1972MercuryMarquis7.5LV8N/A
1972MercuryMontego7.0LV8N/A
1971FordLTD7.0LV8N/A
1971FordThunderbird7.0LV8N/A
1971LincolnContinental7.5LV8N/A
1971MercuryColony Park7.0LV8N/A
1971MercuryCougar7.0LV8N/A
1971MercuryMarquis7.0LV8N/A
1971MercuryMontego7.0LV8N/A
1970FordLTD7.0LV8N/A
1970FordThunderbird7.0LV8N/A
1970LincolnContinental7.5LV8N/A
1970MercuryColony Park7.0LV8N/A
1970MercuryCougar7.0LV8N/A
1970MercuryMarauder7.0LV8N/A
1970MercuryMarquis6.4LV8N/A
1970MercuryMarquis7.0LV8N/A
1970MercuryMontego7.0LV8N/A
1969FordLTD7.0LV8N/A
1969FordThunderbird7.0LV8N/A
1969LincolnContinental7.5LV8N/A
1969MercuryColony Park7.0LV8N/A
1969MercuryMarauder7.0LV8N/A
1969MercuryMarquis7.0LV8N/A
1968FordThunderbird7.0LV8N/A
1968LincolnContinental7.0LV8N/A
1968LincolnContinental7.5LV8N/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:

2960351354115740987525-8110602-12076441482644148564709736878A12132199TGB0128PC3VE 9350-BAC8SZ 9350-AC8VE 9350-AD0VE 9350-CD0VE 9350-DD0VY 9350-AD3VE 9350-AAD7VE 9350-CAD7VZ 9350-CM23021MF0054SP1074MP

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