MerCruiser 180 hp parts: choosing the right catalogue

MerCruiser 180 hp parts: choosing the right catalogue

Exploded views and MerCruiser 180 hp engine parts

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The MerCruiser 180 hp category includes several closely related catalogues for a 4-cylinder MerCruiser inboard engine. Before searching for a part, it is important to identify the variant that matches the engine concerned.

Two catalogues are available: the 1987 MerCruiser 180 (4 bbl.) Mercury 224 I_L4 engine, associated with serial number range 0B436391 to 0B775248, and the 1988-1989 MerCruiser 3.7LX (4 bbl.) Mercury 224 I_L4 engine, from serial number 0B775249 onwards.

Check the model, year and serial number recorded on the engine before opening a MerCruiser exploded view. This helps you consult the corresponding diagram and identify the required part more precisely.

Once you have selected the right catalogue, browse the different sections and exploded views to find the components of the MerCruiser 180 hp engine and their available part numbers.

MerCruiser 180 hp parts: distinguish the 1987 and 1988-1989 catalogues by model and serial number.

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All engines

M18B180A Moteur mercruiser 180 (4 bbl.) mercury 224 i_l4 1987 0b436391 thru 0b775248 M37B224B Moteur mercruiser 3.7lx (4 bbl.) mercury 224 i_l4 1988-1989 0b775249 & up