Keep fuel flowing from the tank to the carburetor with the Agility Auto Parts Mechanical Fuel Pump (MPN 4030250). This engine-driven pump uses a camshaft-actuated diaphragm to draw fuel and deliver it at the pressure a carbureted engine needs. It's a direct-fit replacement across a range of classic Buicks, including the 1957-1965 Century, 1960-1965 Electra, 1959-1962 Invicta, 1959-1964 LeSabre, 1958 Limited, 1963-1965 Riviera, 1957-1958 Roadmaster, 1965 Skylark, 1957-1958 Special, 1957-1958 Super, and 1963-1965 Wildcat — see the Buyer's Guide tab for the full application and engine list.
- Engineered to OEM standards: built to meet or exceed the original equipment specifications for the listed applications.
- Ready to install: a drop-in replacement that ships with the necessary components included.
- Broad classic-Buick coverage: part of Agility's complete line of mechanical fuel pumps spanning a wide variety of North American vehicles.
- Reliable sourcing: stocked through Agility's Canadian and U.S. distribution warehouses for timely delivery.
Signs the original pump may need replacing include hard starting, stalling, fuel starvation under load, or fuel leaking from the pump body. If a failed mechanical fuel pump is the cause, this unit replaces it.
Interchange: 40371 · M4553 · MF0148 · 6415631 · SP1075MP · USMP11383
This part cross-references / interchanges with the following part numbers:
40371, M4553, MF0148, 6415631, SP1075MP, USMP11383
