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Delphi MF0004 Mechanical Fuel Pump
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 vehicleβs 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.
| Brand | Delphi |
| Part Number | MF0004 |
| Average Flow Rating | 40 |
| Fuel Type | Gas |
| Gasket Or Seal Included | Yes |
| Inlet Outside Diameter | 0.375 |
| Inlet Type | Hose Bead |
| Item Grade | Standard Replacement |
| Outlet Fitting Thread Size | 5/8-18 UNF |
| Outlet Quantity | 2 |
| Outlet Type | Threaded |
| Package Contents | Mechanical Fuel Pump, Gasket, Instruction Sheet |
| System Pressure | 9 psi |
This part fits 122 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1988 | Chevrolet | R30 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1988 | Chevrolet | V30 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1988 | GMC | V3500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1987 | Chevrolet | V30 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1987 | GMC | V3500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | Chevrolet | K10 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | Chevrolet | K10 Suburban | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1986 | Chevrolet | K20 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; Short Housing | |
| 1986 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1986 | Chevrolet | K30 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | Chevrolet | K5 Blazer | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | GMC | Jimmy | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | GMC | K1500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | GMC | K1500 Suburban | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | GMC | K2500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | GMC | K2500 Suburban | N/A | Fits vehicles with a 3 Line Pump. | |
| 1986 | GMC | K3500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | Chevrolet | K10 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | Chevrolet | K10 Suburban | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | Chevrolet | K20 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | Chevrolet | K20 Suburban | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1985 | Chevrolet | K30 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | Chevrolet | K5 Blazer | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | GMC | Jimmy | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | GMC | K1500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | GMC | K1500 Suburban | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | GMC | K2500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | GMC | K2500 Suburban | N/A | Fits vehicles with a 3 Line Pump. | |
| 1985 | GMC | K3500 | N/A | Fits vehicles with a 3 Line Pump. | |
| 1984 | Chevrolet | K10 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | Chevrolet | K20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | Chevrolet | K30 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | Chevrolet | K5 Blazer | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | GMC | Jimmy | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | GMC | K1500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | GMC | K1500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | GMC | K2500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | GMC | K2500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1984 | GMC | K3500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | Chevrolet | C10 | N/A | with 3 Line Pump; with Ryder Truck Option | |
| 1983 | Chevrolet | C30 | N/A | with 3 Line Pump; with Ryder Truck Option | |
| 1983 | Chevrolet | K10 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | Chevrolet | K20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | Chevrolet | K30 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | Chevrolet | K5 Blazer | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | GMC | C1500 | N/A | with 3 Line Pump; with Ryder Truck Option | |
| 1983 | GMC | C1500 Suburban | N/A | with 3 Line Pump; with Ryder Truck Option | |
| 1983 | GMC | C2500 | N/A | with 3 Line Pump; with I.D. # 41378; with Ryder Truck Option | |
| 1983 | GMC | Jimmy | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | GMC | K1500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | GMC | K1500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | GMC | K2500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | GMC | K2500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1983 | GMC | K3500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | Chevrolet | K10 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | Chevrolet | K20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | Chevrolet | K30 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | Chevrolet | K5 Blazer | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | GMC | Jimmy | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | GMC | K1500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | GMC | K1500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | GMC | K2500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | GMC | K2500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1982 | GMC | K3500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | Chevrolet | K10 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | Chevrolet | K20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | Chevrolet | K30 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | Chevrolet | K5 Blazer | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | GMC | Jimmy | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | GMC | K1500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | GMC | K1500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | GMC | K2500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | GMC | K2500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1981 | GMC | K3500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | Chevrolet | C20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | Chevrolet | K10 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | Chevrolet | K20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | Chevrolet | K30 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | Chevrolet | K5 Blazer | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | GMC | C2500 | N/A | with 3 Line Pump; with I.D. # 41378; with Ryder Truck Option | |
| 1980 | GMC | C2500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378; with Ryder Truck Option | |
| 1980 | GMC | C3500 | N/A | with 3 Line Pump; with I.D. # 41378; with Ryder Truck Option | |
| 1980 | GMC | Jimmy | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | GMC | K1500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | GMC | K1500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | GMC | K2500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | GMC | K2500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1980 | GMC | K3500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | Chevrolet | K10 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | Chevrolet | K20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | Chevrolet | K30 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | Chevrolet | K5 Blazer | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | GMC | Jimmy | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | GMC | K1500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | GMC | K1500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | GMC | K2500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | GMC | K2500 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1979 | GMC | K3500 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | Chevrolet | K10 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | Chevrolet | K10 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | Chevrolet | K20 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | Chevrolet | K20 Suburban | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | Chevrolet | K30 | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | Chevrolet | K5 Blazer | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | Chevrolet | K5 Blazer | 4WD | N/A | with 3 Line Pump; with I.D. # 41378 |
| 1978 | GMC | Jimmy | N/A | with 3 Line Pump; with I.D. # 41378 | |
| 1978 | GMC | Jimmy | 4WD | N/A | with 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.