Homeβ€Ί Air and Fuel Delivery > Fuel Pumps and Related Componentsβ€Ί Delphi MF0004 Mechanical Fuel Pump
Part #: MF0004

Delphi MF0004 Mechanical Fuel Pump

βš™οΈ 122 vehicles fit this part
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πŸš—Fitment: Chevrolet and GMC, R30, V30, V3500, K10, K10 Suburban, K20, K20 Suburban, K30, K5 Blazer, Jimmy, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, C10, C30, C1500, C1500 Suburban, C2500, C20, C2500 Suburban, C3500, K15, K15 Suburban, K25, K25 Suburban, and K35
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Reliable Mechanical Fuel Pump for Chevrolet and GMC Trucks

The Delphi MF0004 mechanical fuel pump is designed to provide consistent fuel delivery for a range of Chevrolet and GMC trucks. Engineered for gas fuel systems, this pump ensures steady flow and pressure to support your vehicle's performance.

  • Inlet outside diameter: 0.375 inches
  • Fuel type: Gasoline compatible
  • Includes gasket for secure installation
  • Inlet type: Hose bead connection
  • Two threaded outlets with 5/8-18 UNF fitting size
  • Average flow rating of 40 gallons per hour
  • System pressure rating of 9 psi
  • Standard replacement grade for reliable operation
  • Package includes mechanical fuel pump, gasket, and instruction sheet

Product Details and Specifications

The Delphi MF0004 mechanical fuel pump is built to meet the fuel delivery needs of various Chevrolet and GMC models, including C10, C20, C30, C1500, C2500, C3500, Jimmy, K5 Blazer, K10, K20, K30, and their Suburban variants. Its 0.375-inch inlet diameter and hose bead inlet type allow for secure fuel line connections, while the dual threaded outlets with 5/8-18 UNF threads provide versatility for fuel routing. The pump supports an average flow rate of 40 gallons per hour at a system pressure of 9 psi, suitable for standard gas fuel systems. This mechanical fuel pump comes with a gasket and installation instructions to facilitate proper mounting and sealing.

Compatible Vehicles and Applications

This mechanical fuel pump is compatible with a wide range of Chevrolet and GMC trucks, including:

  • Chevrolet C10, C20, C30 series
  • Chevrolet C1500, C2500, C3500 and Suburban models
  • GMC Jimmy and K5 Blazer
  • GMC K10, K20, K30, K1500, K2500, K3500 and their Suburban variants
  • GMC R30, V30, V3500 models

Common Issues Addressed by the Delphi MF0004

  • Fuel delivery interruptions causing engine stalling or hesitation
  • Low fuel pressure affecting engine performance
  • Leaks or poor sealing due to worn gaskets or fittings
  • Inadequate fuel flow for gas-powered engines
  • Replacement of worn or damaged mechanical fuel pumps in older trucks

Installation Notes and Tips

When installing the Delphi MF0004 mechanical fuel pump, ensure the gasket is properly seated to prevent fuel leaks. Use the included instruction sheet for guidance on mounting orientation and torque specifications. Verify that the hose bead inlet and threaded outlet connections are secure and compatible with your vehicle’s fuel lines. It is recommended to inspect fuel lines and fittings for wear or damage during installation to maintain system integrity.

Quality Assurance and Warranty

Delphi manufactures the MF0004 mechanical fuel pump to meet standard replacement grade specifications, ensuring dependable performance for your Chevrolet or GMC truck. The product includes a gasket and detailed instructions to support proper installation. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.

BrandDelphi
Part NumberMF0004
Average Flow Rating40
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 Pressure9 psi

This part fits 122 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1988ChevroletR30N/AFits vehicles with a 3 Line Pump.
1988ChevroletV30N/AFits vehicles with a 3 Line Pump.
1988GMCV3500N/AFits vehicles with a 3 Line Pump.
1987ChevroletV30N/AFits vehicles with a 3 Line Pump.
1987GMCV3500N/AFits vehicles with a 3 Line Pump.
1986ChevroletK10N/AFits vehicles with a 3 Line Pump.
1986ChevroletK10 SuburbanN/AFits vehicles with a 3 Line Pump.
1986ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1986ChevroletK20N/AFits vehicles with a 3 Line Pump.
1986ChevroletK20 SuburbanN/Awith 3 Line Pump; Short Housing
1986ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1986ChevroletK30N/AFits vehicles with a 3 Line Pump.
1986ChevroletK5 BlazerN/AFits vehicles with a 3 Line Pump.
1986GMCJimmyN/AFits vehicles with a 3 Line Pump.
1986GMCK1500N/AFits vehicles with a 3 Line Pump.
1986GMCK1500 SuburbanN/AFits vehicles with a 3 Line Pump.
1986GMCK2500N/AFits vehicles with a 3 Line Pump.
1986GMCK2500 SuburbanN/AFits vehicles with a 3 Line Pump.
1986GMCK3500N/AFits vehicles with a 3 Line Pump.
1985ChevroletK10N/AFits vehicles with a 3 Line Pump.
1985ChevroletK10 SuburbanN/AFits vehicles with a 3 Line Pump.
1985ChevroletK20N/AFits vehicles with a 3 Line Pump.
1985ChevroletK20 SuburbanN/AFits vehicles with a 3 Line Pump.
1985ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1985ChevroletK30N/AFits vehicles with a 3 Line Pump.
1985ChevroletK5 BlazerN/AFits vehicles with a 3 Line Pump.
1985GMCJimmyN/AFits vehicles with a 3 Line Pump.
1985GMCK1500N/AFits vehicles with a 3 Line Pump.
1985GMCK1500 SuburbanN/AFits vehicles with a 3 Line Pump.
1985GMCK2500N/AFits vehicles with a 3 Line Pump.
1985GMCK2500 SuburbanN/AFits vehicles with a 3 Line Pump.
1985GMCK3500N/AFits vehicles with a 3 Line Pump.
1984ChevroletK10N/Awith 3 Line Pump; with I.D. # 41378
1984ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1984ChevroletK20N/Awith 3 Line Pump; with I.D. # 41378
1984ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1984ChevroletK30N/Awith 3 Line Pump; with I.D. # 41378
1984ChevroletK5 BlazerN/Awith 3 Line Pump; with I.D. # 41378
1984GMCJimmyN/Awith 3 Line Pump; with I.D. # 41378
1984GMCK1500N/Awith 3 Line Pump; with I.D. # 41378
1984GMCK1500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1984GMCK2500N/Awith 3 Line Pump; with I.D. # 41378
1984GMCK2500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1984GMCK3500N/Awith 3 Line Pump; with I.D. # 41378
1983ChevroletC10N/Awith 3 Line Pump; with Ryder Truck Option
1983ChevroletC30N/Awith 3 Line Pump; with Ryder Truck Option
1983ChevroletK10N/Awith 3 Line Pump; with I.D. # 41378
1983ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1983ChevroletK20N/Awith 3 Line Pump; with I.D. # 41378
1983ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1983ChevroletK30N/Awith 3 Line Pump; with I.D. # 41378
1983ChevroletK5 BlazerN/Awith 3 Line Pump; with I.D. # 41378
1983GMCC1500N/Awith 3 Line Pump; with Ryder Truck Option
1983GMCC1500 SuburbanN/Awith 3 Line Pump; with Ryder Truck Option
1983GMCC2500N/Awith 3 Line Pump; with I.D. # 41378; with Ryder Truck Option
1983GMCJimmyN/Awith 3 Line Pump; with I.D. # 41378
1983GMCK1500N/Awith 3 Line Pump; with I.D. # 41378
1983GMCK1500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1983GMCK2500N/Awith 3 Line Pump; with I.D. # 41378
1983GMCK2500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1983GMCK3500N/Awith 3 Line Pump; with I.D. # 41378
1982ChevroletK10N/Awith 3 Line Pump; with I.D. # 41378
1982ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1982ChevroletK20N/Awith 3 Line Pump; with I.D. # 41378
1982ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1982ChevroletK30N/Awith 3 Line Pump; with I.D. # 41378
1982ChevroletK5 BlazerN/Awith 3 Line Pump; with I.D. # 41378
1982GMCJimmyN/Awith 3 Line Pump; with I.D. # 41378
1982GMCK1500N/Awith 3 Line Pump; with I.D. # 41378
1982GMCK1500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1982GMCK2500N/Awith 3 Line Pump; with I.D. # 41378
1982GMCK2500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1982GMCK3500N/Awith 3 Line Pump; with I.D. # 41378
1981ChevroletK10N/Awith 3 Line Pump; with I.D. # 41378
1981ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1981ChevroletK20N/Awith 3 Line Pump; with I.D. # 41378
1981ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1981ChevroletK30N/Awith 3 Line Pump; with I.D. # 41378
1981ChevroletK5 BlazerN/Awith 3 Line Pump; with I.D. # 41378
1981GMCJimmyN/Awith 3 Line Pump; with I.D. # 41378
1981GMCK1500N/Awith 3 Line Pump; with I.D. # 41378
1981GMCK1500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1981GMCK2500N/Awith 3 Line Pump; with I.D. # 41378
1981GMCK2500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1981GMCK3500N/Awith 3 Line Pump; with I.D. # 41378
1980ChevroletC20N/Awith 3 Line Pump; with I.D. # 41378
1980ChevroletK10N/Awith 3 Line Pump; with I.D. # 41378
1980ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1980ChevroletK20N/Awith 3 Line Pump; with I.D. # 41378
1980ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1980ChevroletK30N/Awith 3 Line Pump; with I.D. # 41378
1980ChevroletK5 BlazerN/Awith 3 Line Pump; with I.D. # 41378
1980GMCC2500N/Awith 3 Line Pump; with I.D. # 41378; with Ryder Truck Option
1980GMCC2500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378; with Ryder Truck Option
1980GMCC3500N/Awith 3 Line Pump; with I.D. # 41378; with Ryder Truck Option
1980GMCJimmyN/Awith 3 Line Pump; with I.D. # 41378
1980GMCK1500N/Awith 3 Line Pump; with I.D. # 41378
1980GMCK1500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1980GMCK2500N/Awith 3 Line Pump; with I.D. # 41378
1980GMCK2500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1980GMCK3500N/Awith 3 Line Pump; with I.D. # 41378
1979ChevroletK10N/Awith 3 Line Pump; with I.D. # 41378
1979ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1979ChevroletK20N/Awith 3 Line Pump; with I.D. # 41378
1979ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1979ChevroletK30N/Awith 3 Line Pump; with I.D. # 41378
1979ChevroletK5 BlazerN/Awith 3 Line Pump; with I.D. # 41378
1979GMCJimmyN/Awith 3 Line Pump; with I.D. # 41378
1979GMCK1500N/Awith 3 Line Pump; with I.D. # 41378
1979GMCK1500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1979GMCK2500N/Awith 3 Line Pump; with I.D. # 41378
1979GMCK2500 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1979GMCK3500N/Awith 3 Line Pump; with I.D. # 41378
1978ChevroletK10N/Awith 3 Line Pump; with I.D. # 41378
1978ChevroletK10 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1978ChevroletK20N/Awith 3 Line Pump; with I.D. # 41378
1978ChevroletK20 SuburbanN/Awith 3 Line Pump; with I.D. # 41378
1978ChevroletK30N/Awith 3 Line Pump; with I.D. # 41378
1978ChevroletK5 BlazerN/Awith 3 Line Pump; with I.D. # 41378
1978ChevroletK5 Blazer4WDN/Awith 3 Line Pump; with I.D. # 41378
1978GMCJimmyN/Awith 3 Line Pump; with I.D. # 41378
1978GMCJimmy4WDN/Awith 3 Line Pump; with I.D. # 41378

* 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:

4137864413786442079647149368579AMF0004M16043M60039SP1007MP

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