MerCruiser 1351-7355A1 Rochester Carburetor 2BBL Carb 140hp 3.0L 4cyl 1979-1982 OMC Propellers Generally the best practice is

Generally the best practice is to just match your existing cylinder heads cast number

7L 2BBL applications

0L 305 / V8 5

This will work for all engine configurations from that time period

MerCruiser 1351-7355A1 Rochester Carburetor 2BBL Carb 140hp 3.0L 4cyl 1979-1982 OMC Propellers Generally the best practice isItem Details MerCruiser 1351 7355A1 1351 7355 Rochester 2 Jet 2BBL Carburetor Assembly Bowl Number 17059052 GM Rochester 2 Jet 2 barrel carburetor assembly Generally found on MerCruiser GM 3. 0L 140hp 4cyl engines 1979 1982 Not Compatible with applications that used MerCarb Used for MerCruiser Chevy GM 140hp 3. 0L applications from 1979 1982 That used ROCHESTER carburetors The MERCARB carburetors were used in the mid late 80s and will are not