Carter M6952

Carter M6952 is a mechanical diaphragm fuel pump for selected carburetted Cadillac 425 and 368 CID V8 engines. It is intended for factory mechanical fuel systems catalogued with the “3 Line Pump” qualifier.

Application / fitment

• selected 1977–1980 Cadillac DeVille 425 CID / 7.0 L and 368 CID / 6.0 L applications
• selected 1977–1980 Cadillac Fleetwood and Fleetwood Brougham
• 1977–1980 Cadillac Commercial Chassis
• mechanical carburettor systems matching the three-line pump configuration

Compare line orientation, inlet diameter, outlet thread, operating lever and mounting pattern. The pump is not intended for fuel injection or a vehicle using a different line arrangement.

Technical information

• type: mechanical fuel pump
• fuel: gasoline
• minimum pressure: 5 PSI / approximately 0.34 bar
• maximum pressure: 6.5 PSI / approximately 0.45 bar
• minimum flow: 38 GPH / approximately 144 L/h
• maximum flow: 43 GPH / approximately 163 L/h
• inlet outside diameter: 0.452" / 11.48 mm
• inlet type: tube
• outlet: threaded 5/8"-18 UNF-2B
• mounting holes: 2
• housing material: aluminium
• mounting gasket: included
• mounting hardware: not included
• cross-references: GM 6441204 and 6471148, Carter 41204, Delphi MF0083
• sales unit: 1 piece

Replace the fuel filter and inspect the hoses during installation. Check for leakage and verify pressure after startup because excessive pressure can flood the carburettor.