MerCruiser 120 - 140 hp engine parts

MerCruiser 120 - 140 hp engine parts

Choose the catalogue by year and serial number

Logo MerCruiser

The MerCruiser 120 - 140 hp family includes several catalogues for four-cylinder inboard engines. To identify the correct parts, you need to distinguish the variant corresponding to your engine’s period and serial number.

Three catalogues are available: 1967-1969, serial numbers 2062141 to 2791956; 1970-1977, serial numbers 2791957 to 4893634; and 1978-1982, serial numbers 4893635 to 6225576. This information helps you select the appropriate exploded view before searching for a part.

After choosing the correct variant, consult the MerCruiser diagram to browse the parts groups and identify their positions. The exploded views make it easier to identify spare parts and the references associated with your engine catalogue.

Check the serial number on the engine and its period before making a selection. If you are unsure between two similar catalogues, compare these details with the ranges shown to reduce the risk of misidentification.

MerCruiser 120 - 140 hp engine parts catalogue with selection by year and serial number range.

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M12T196A Moteur mercruiser 120_140 1967-1969 2062141 thru 2791956 M12T197A Moteur mercruiser 120_140 1970-1977 2791957 thru 4893634 M12T197B Moteur mercruiser 120_140 1978-1982 4893635 thru 6225576