Delphi MF0046 Mechanical Fuel Pump
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Delphi

Delphi MF0046 Mechanical Fuel Pump

Brand Delphi MF0046
Inlet Outside Diameter 0.250
Outlet Outside Diameter 0.250
Fuel Type Gas
Gasket Or Seal Included Yes
Inlet Type Hose bead
Outlet Type Hose bead
Outlet Quantity 2
Average Flow Rating 18
Item Grade Standard replacement
Package Contents Mechanical fuel pump, gasket, instruction sheet
System Pressure 5 psi
Fits Toyota · 2 vehicles

Standard replacement. Built as a mechanical fuel pump for straightforward service replacement.

OE heritage. Backed by Delphi's century of original-equipment experience.

Gasket included. Comes with a gasket and instruction sheet for installation support.

Cross-references Airtex Fuel Pumps 1346, Spectra Premium SP1097MP and 23100-19175 for the same application. See all 7.

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Delphi MF0046 Mechanical Fuel Pump

The Delphi MF0046 is a standard replacement mechanical fuel pump for gasoline applications, built for consistent fuel delivery and OE-style fit. It is listed for 1983-1984 Toyota Corolla models and includes a gasket and instruction sheet for service work.

  • Mechanical fuel pump for gas applications
  • System pressure: 5 psi
  • Average flow rating: 18
  • Inlet outside diameter: 0.250 in.
  • Outlet outside diameter: 0.250 in.
  • Hose bead inlet and outlet connections
  • Outlet quantity: 2
  • Gasket or seal included
  • Package contents: mechanical fuel pump, gasket, instruction sheet

OE Heritage and Application Coverage

Delphi draws on more than a century of OE experience and supplier knowledge used by major automakers, and that background is reflected in the MF0046 fuel pump design. For drivers and technicians servicing a Toyota Corolla, MF0046 provides a direct mechanical fuel pump replacement for 1983-1984 Toyota Corolla, N/A, with the connection sizes and pressure rating needed for the original fuel system layout. This part cross-references Airtex Fuel Pumps 1346 for the same application.

Common Fuel System Issues Addressed

  • Hard starting caused by weak fuel delivery
  • Fuel starvation under normal engine operation
  • Low fuel pressure in a carbureted gasoline system
  • Erratic engine performance from an aging mechanical pump
  • Service replacement for a worn Toyota Corolla fuel pump

Installation Notes and Tips

Verify inlet and outlet hose bead connections before installation and confirm the 0.250-inch port sizing matches the vehicle fuel lines. Check the mounting surface for cleanliness, replace the gasket during service, and prime the fuel system after installation to confirm steady pressure. Fits 1983-1984 Toyota Corolla, N/A.

Quality Assurance

Delphi builds aftermarket parts using OE heritage and application knowledge developed through long-term supplier experience with global automakers. The MF0046 is a standard replacement mechanical fuel pump intended to meet the needs of the listed Toyota Corolla applications.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1984ToyotaCorollaN/A—
1983ToyotaCorollaN/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex Fuel Pumps — 1346Spectra Premium — SP1097MP23100-1917568888AMF0046M23079M60414