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Delphi MF0143 Mechanical Fuel Pump
| Brand | Delphi MF0143 |
|---|---|
| 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 | 1/4-18 NPSF |
| Outlet Quantity | 1 |
| Outlet Type | Threaded |
| Package Contents | Mechanical Fuel Pump, Gasket, Instruction Sheet |
| System Pressure | 5.5 psi |
| Fits | Pontiac · 30 vehicles |
Standard replacement. Direct-fit mechanical fuel pump for straightforward service.
Includes gasket. Seal is included for a cleaner, easier installation.
OE heritage. Built with decades of original-equipment experience.
Cross-references Carter M4566, 6416531 and AMF0143 for the same application. See all 3.
$74.23Free shipping
In stock · usually ships same day before 1pm CST
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$74.23
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Mechanical Fuel Pump options
Delphi MF0143 Mechanical Fuel Pump
Delphi MF0143 is a standard replacement mechanical fuel pump for gasoline applications that require a 5.5 psi system pressure and a 40 average flow rating. Built with Delphi OE heritage and fuel system experience, it is a direct-fit option for select Pontiac models that use a 2-line fuel pump setup.
Key Features
- Mechanical fuel pump for gas applications
- 5.5 psi system pressure
- 40 average flow rating
- Hose bead inlet with 0.375 in. outside diameter
- Threaded outlet with 1/4-18 NPSF fitting
- Gasket included for installation
- Standard replacement grade
- Package contents: mechanical fuel pump, gasket, instruction sheet
Fitment Details
- Fits 1958-1964 Pontiac Bonneville, compatible with vehicles equipped with a 2-line fuel pump.
- Fits 1958-1964 Pontiac Catalina, compatible with vehicles equipped with a 2-line fuel pump.
- Fits 1963-1965 Pontiac Catalina, with 2 Line Pump; without Air Conditioning.
- Fits 1963-1965 Pontiac Grand Prix, compatible with vehicles equipped with a 2-line fuel pump.
- Fits 1964-1965 Pontiac GTO, compatible with vehicles equipped with a 2-line fuel pump.
- Fits 1963-1965 Pontiac LeMans, compatible with vehicles equipped with a 2-line fuel pump.
- Fits 1963-1965 Pontiac Tempest, compatible with vehicles equipped with a 2-line fuel pump.
What It Helps Address
- Hard starting caused by weak fuel delivery
- Fuel starvation under normal driving conditions
- Low fuel pressure from a worn mechanical pump
- Fuel system service on classic Pontiac V8 applications
- Replacement of an aging pump with the correct threaded outlet style
Installation Notes and Tips
Confirm the vehicle uses a 2-line mechanical fuel pump configuration before ordering. Verify inlet and outlet connection styles, including the 0.375 in. hose bead inlet and 1/4-18 NPSF threaded outlet, to match the existing fuel line setup. The included gasket supports installation, and the instruction sheet provides basic guidance for pump replacement.
Quality Assurance
Delphi draws on more than a century of OE experience and supplier knowledge from top automakers, with aftermarket parts built from that heritage. MF0143 is a standard replacement fuel pump engineered for the listed Pontiac applications and fuel system specifications.
This part fits 30 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1965 | Pontiac | Catalina | N/A | with 2 Line Pump; without Air Conditioning |
| 1965 | Pontiac | Grand Prix | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1965 | Pontiac | GTO | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1965 | Pontiac | LeMans | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1965 | Pontiac | Tempest | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1964 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1964 | Pontiac | Bonneville | N/A | with 2 Line Pump; without Air Conditioning |
| 1964 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1964 | Pontiac | Catalina | N/A | with 2 Line Pump; without Air Conditioning |
| 1964 | Pontiac | Grand Prix | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1964 | Pontiac | GTO | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1964 | Pontiac | LeMans | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1964 | Pontiac | Tempest | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1963 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1963 | Pontiac | Bonneville | N/A | with 2 Line Pump; without Air Conditioning |
| 1963 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1963 | Pontiac | Catalina | N/A | with 2 Line Pump; without Air Conditioning |
| 1963 | Pontiac | Grand Prix | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1963 | Pontiac | LeMans | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1963 | Pontiac | Tempest | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1962 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1962 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1961 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1961 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1960 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1960 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1959 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1959 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1958 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| 1958 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with a 2-line fuel pump. |
| No rows match your filter. | ||||
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carter — M45666416531AMF0143