MOTORCRAFT
More Information for MOTORCRAFT PFS1139
{Alternate Inventory Numbers: F2GZ9H307S}
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MOTORCRAFT PFS1139  
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The float arm (where pictured) may ship detached to prevent damage in transit. To connect, simply snap the wire end into the sender hole.
MOTORCRAFT PFS1139 Specifications
Average Flow Rating36.99
Connector ShapeTrapezoidal
Fuel Sending Unit IncludedYes
Gasket or Seal IncludedNo
In Tank or ExternalIn-Tank
Negative GroundYes
Strainer IncludedNo
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade
Voltage12
Does Not Include Gasket
Motorcraft® Fuel Pump Assemblies are designed to Ford's demanding performance specifications and precision manufactured to ensure OE quality. Each fuel pump design undergoes a variety of tests for leaks, fuel-flow performance, vibration, corrosion resistance and durability to meet strict Ford OE standards.

Features & Benefits:
  • Hot fuel handling capabilities translate to consistent performance
  • Optimal check-valve design and outlet fitting configurations are utilized to meet specific vehicle applications
  • Accurate fuel gauge readings are the result of vehicle-specific designs
  • Fuel pumps are 100-percent flow-tested
  • Latest engineering enhancements are incorporated
  • Units come as complete assemblies for easier, faster installation
Benefits of Purchasing a Fuel Pump & Housing Assembly

Purchasing just the fuel pump is less expensive up-front, but a complete Fuel Pump & Housing Assembly provides added benefits:

  • Extend Service Life: New strainer(s), hoses, sensors and other components help resolve problems that could be caused by more than just the pump.
  • Reduce Install Time: Since you don't have to disassemble the housing, which could lead to damage, replacement becomes a simple swap, dramatically reducing installation time.
  • Save Money: The cost of the assembly is often cheaper than buying the components individually, and means you only have to do the job once.
Prevent Premature Fuel Pump Failure

Preventing premature fuel pump failure is far less expensive and time consuming than continuing to replace the pump. There are three common causes for premature fuel pump failure:

ELECTRICAL ISSUES
Poor electrical connections will mimic symptoms of a failed pump, sometimes resulting in unnecessary replacement. Before replacing the pump:
  • Use a Fuel System Tester to test pump pressure is within expected range
  • Use an Electrical Tester to test for bad wiring, burnt or corroded connectors
  • Check / Replace faulty Fuse(s) and Relay

BEFORE REPLACEMENT
FUEL CONTAMINATION
Dirt, rust or debris in the fuel can clog strainers and stick to internal pump components. When replacing the pump:
  • Replace Fuel Filter or Fuel Strainer
  • Empty and clean the tank with Fuel Tank Cleaner
  • Fill tank with fresh, uncontaminated fuel of appropriate grade

DURING REPLACEMENT
PUMP DAMAGE / OVERHEATING
Running low on gas causes your fuel to heat up quicker, and your pump to work harder. After replacing the pump:
  • Maintain at least 1/4 tank of fuel and use a Fuel Additive / Conditioner to keep pump cool and lubricated
  • If vehicle is stored without use, drain tank to prevent pump corrosion from fuel oxidation

AFTER REPLACEMENT
OEM / Interchange Numbers: PFS1076

Warranty Information:
24 months/unlimited miles; Motorcraft warranties are valid to U.S. customers only
Warranty Details