MerCruiser 230 hp engine parts: choose the catalogue

MerCruiser 230 hp engine parts: choose the catalogue

Identify the correct variant before viewing the MerCruiser diagram

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The MerCruiser 230 hp family includes several catalogues for 8-cylinder inboard engines. Before searching for a spare part, it is essential to identify the exact version of your engine.

The child variants are distinguished in particular by the engine designation, model year and serial number range. They include, for example, 230 carburettor 4 bbl. GM 305 V-8 engines, 230 MIE versions, and 5.0L EFI and 5.0L MIE engines.

Compare the information on your engine with the relevant catalogue, including the years 1981 to 1995 or 1998 to 2001 and the serial number ranges shown. This check helps to reduce errors when identifying parts.

Once you have selected the variant, consult the MerCruiser exploded view and its diagram to locate the required part, note its reference and continue your selection in the appropriate catalogue.

MerCruiser 230 hp engine parts: identify the correct version by designation, model year and serial number.

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All engines

M23B230A Moteur mercruiser 230 (4 bbl.) gm 305 v-8 1985-1986 6218462 thru 0b525981 M23B230B Moteur mercruiser 230 (4 bbl.) gm 305 v-8 1987 0b525982 thru 0b773739 M23M230A Moteur mercruiser 230 mie (4 bbl.) gm 305 v-8 1981-1986 5907058 thru 0b522505 M23M230B Moteur mercruiser 230 mie (4 bbl.) gm 305 v-8 1987-1995 0b522506 thru 0b788151 M50E305A Moteur mercruiser 5.0l efi gm 305 v-8 1998 0l012052 thru 0l339999 M50E305B Moteur mercruiser 5.0l efi gm 305 v-8 1999-2001 0l331631 thru 0m299999 M50M305A Moteur mercruiser 5.0l mie (4 bbl.) gm 305 v-8 1987-1995 0b522506 thru 0b788151