MerCruiser 300 hp parts: choose the right catalogue

MerCruiser 300 hp parts: choose the right catalogue

Identify the MerCruiser variant before searching for a part

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This category brings together MerCruiser parts catalogues for the 300 hp model. Before searching for a spare part, identify the catalogue that matches your equipment precisely.

The child catalogues distinguish between MerCruiser engines and MerCruiser sterndrives. Some titles also include a model year, range or serial number range; this information helps direct your search to the correct variant.

Check the full name of each catalogue and compare it with the information available for your engine or sterndrive. Making a precise selection then gives you access to the relevant MerCruiser exploded view and diagram.

Once the catalogue has been identified, use the diagram references to find the required part and check its designation before placing an order.

Find the right MerCruiser 300 hp catalogue for your engine or sterndrive using the stated model, year and serial number range.

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MerCruiser 350 (4bbl) Alpha 1G800000+

MerCruiser 350 (4bbl) crate Alpha sterndrive parts, serial 1G800000 & up: exploded views and diagrams to identify part numbers.
MerCruiser 350 Bravo 1G800000+

Parts and exploded view for the MerCruiser 350 (4bbl) crate Bravo sterndrive, serial range 1G800000 & up.
MerCruiser 350 Mag Alpha/Bravo 0L010019

MerCruiser 350 Mag MPI Alpha/Bravo sterndrive parts catalogue, S/N 0L010019 THRU 0L339999.
350 MAG MPI Alpha/Bravo 0L331599

Exploded views and MerCruiser 350 MAG MPI Alpha/Bravo sterndrive parts for serial range 0L331599 to 0M299999.
350 MAG MPI Alpha/Bravo S/N 0M300000

MerCruiser 350 MAG MPI Alpha/Bravo sterndrive parts for the 0m300000 THRU 0m599999 serial range.
350 MPI Alpha/Bravo S/N 0m600000

MerCruiser 350 MAG MPI Alpha/Bravo sterndrive parts for serial range 0m600000 THRU 0w059999, with exploded view and diagram.
MerCruiser 350 MAG alpha_bravo 0W060000

MerCruiser 350 MAG MPI alpha_bravo sterndrive parts for serial range 0w060000 THRU 0w309999, with exploded view.
350 Mag MPI Alpha/Bravo S/N 0W310000

MerCruiser 350 Mag MPI Alpha/Bravo sterndrive parts and exploded view for serial range 0W310000 THRU 0W649999.
350 MAG MPI Alpha/Bravo S/N 0W650000

MerCruiser 350 MAG MPI Alpha/Bravo sterndrive parts and diagrams for serial range 0W650000 THRU 1A299999.
350 MAG MPI S/N 1A300000

MerCruiser 350 MAG MPI Alpha/Bravo sterndrive parts and exploded views, serials 1A300000 THRU 1A611927.
350 MAG Alpha/Bravo S/N 1a611928

MerCruiser 350 MAG MPI Alpha/Bravo sterndrive parts for serial range 1a611928 THRU 1a623184, with exploded view and diagram.
350 MAG MPI Alpha/Bravo 1A623185

Parts and diagrams for the MerCruiser 350 MAG MPI Alpha/Bravo sterndrive, serial range 1A623185 & UP.
350 MAG MPI Alpha/Bravo S/N 1A300000

MerCruiser 350 MAG MPI Alpha/Bravo EC sterndrive parts for serial range 1a300000 THRU 1a611927, with exploded view and diagram.
MerCruiser 350 MAG MPI S/N 1A611928

Parts, exploded views and diagrams for the MerCruiser 350 MAG MPI alpha_bravo EC sterndrive, serial 1A611928 THRU 1A623184.
350 MAG MPI Alpha/Bravo EC 1A623185+

MerCruiser 350 MAG MPI Alpha/Bravo EC sterndrive parts for serial numbers 1A623185 & up, with exploded views.
MerCruiser 350 MAG Alpha/Bravo 0M300000

MerCruiser 350 MAG MPI Horizon Alpha/Bravo sterndrive parts for 0m300000 THRU 0m599999, with exploded view and diagram.
MerCruiser 350 Mag S/N 0M600000

Parts catalogue for the MerCruiser 350 Mag MPI Horizon Alpha/Bravo sterndrive, range 0M600000 THRU 0W059999.
MerCruiser 350 MAG MPI S/N 0W060000

MerCruiser 350 MAG MPI Horizon Alpha/Bravo sterndrive parts for serial range 0W060000 THRU 0W309999, with exploded view and diagram.
350 Mag MPI Horizon S/N 0w310000

MerCruiser 350 Mag MPI Horizon Alpha/Bravo sterndrive parts for 0w310000 THRU 0w649999, with exploded views.
350 Mag MPI Horizon Alpha/Bravo 0W650000

MerCruiser 350 Mag MPI Horizon Alpha/Bravo sterndrive parts for serial range 0W650000 THRU 1A299999.
350 Mag MPI Alpha/Bravo EC 1A300000

Parts and exploded views for the MerCruiser 350 Mag MPI Horizon Alpha/Bravo EC sterndrive, serial range 1A300000 THRU 1A611927.
350 MAG MPI Horizon EC S/N 1A611928

Parts catalogue for the MerCruiser 350 MAG MPI Horizon Alpha/Bravo EC sterndrive, serial range 1A611928 THRU 1A623184.
MerCruiser 350 MAG Horizon 1A623185+

Parts and exploded views for the MerCruiser 350 MAG MPI Horizon Alpha/Bravo EC sterndrive, serial range 1A623185 & up.
MerCruiser 350 Mag Bravo 1996

MerCruiser 350 Mag Bravo MPI 1996 sterndrive parts and exploded views, serial range 0F602000 THRU 0K001500.
MerCruiser 350 Mag Bravo 1997

Parts catalogue for the MerCruiser 350 Mag Bravo MPI (Gen Plus) GM 350 V-8 sterndrive, 1997, serial range 0K001501 & UP.
MerCruiser 350 MPI Alpha 1G400000+

MerCruiser 350 MPI Alpha sterndrive parts for serial 1G400000 & up, with an exploded view and diagram to find the correct part number.
MerCruiser 7.4L Bravo Gen. V

Parts catalogue for the MerCruiser 7.4L Bravo Gen. V GM 454 V-8 sterndrive, 1992-1996, serial range 0D603118 THRU 0F800699.
MerCruiser 7.4L Bravo Gen. VI

Parts catalogue for the MerCruiser 7.4L Bravo Gen. VI GM 454 V-8 sterndrive, 1996-1997, serial range 0F800700 to 0K999999.
MerCruiser 7.4L Bravo 1988-1991

Parts and exploded view for the MerCruiser 7.4L Bravo GM 454 V-8 sterndrive, 1988-1991, serial 0B771113 THRU 0D603117.
MerCruiser 7.4LX Bravo 1996-97

Exploded views and parts for the MerCruiser 7.4LX Bravo Gen. VI sterndrive, 1996-1997, serial 0F820000 thru 0K999999.
MerCruiser 300 Tempest 1985-1986

Parts and exploded views for the MerCruiser 300 Tempest GM 350 V-8 engine, 1985-1986, serials 6668677 THRU 0B430367.
MerCruiser 350 (4bbl) 1G800000+

Catalogue of MerCruiser 350 (4bbl) crate inboard engine parts, serial range 1G800000 & up, with exploded views and part references.
MerCruiser 350 MAG MPI – 0L302200

Parts and exploded view for the MerCruiser 350 MAG MPI Horizon MIE engine, range 0L302200 THRU 0M299999.
350 Mag MPI Horizon MIE 0M310000

Parts and exploded views for the MerCruiser 350 Mag MPI Horizon MIE engine, serial range 0M310000 THRU 0M316999.
350 Mag MPI Horizon S/N 0M317000

Exploded views and parts for the MerCruiser 350 Mag MPI Horizon engine, serial range 0M317000 THRU 0M398371.
MerCruiser 350 MAG MPI 0M398372

Parts and exploded views for the MerCruiser 350 MAG MPI Horizon MIE engine, series 0M398372 THRU 0W389999.
MerCruiser 350 MAG MPI S/N 0W390000

Parts catalogue for the MerCruiser 350 MAG MPI Horizon MIE engine, serial number 0W390000 THRU 0W689999.
350 Mag MPI Horizon MIE 0W690000

Parts and exploded views for the MerCruiser 350 Mag MPI Horizon MIE engine, serial numbers 0W690000 THRU 1A089999.
MerCruiser 350 MPI MIE 0L302200

Parts catalogue for the MerCruiser 350 Mag MPI MIE engine, serial range 0L302200 THRU 0M299999, with exploded views and references.
MerCruiser 350 Mag MPI S/N 0M310000

Parts and exploded views for the MerCruiser 350 Mag MPI MIE engine, series 0M310000 THRU 0M316999.
MerCruiser 350 MAG MPI MIE 0M317000

Parts and exploded views for the MerCruiser 350 MAG MPI MIE engine, series 0M317000 THRU 0M398371.
MerCruiser 350 MAG MPI MIE 0M398372

Parts and exploded views for the MerCruiser 350 MAG MPI MIE engine, serial number 0M398372 THRU 0W389999.
MerCruiser 350 MAG MPI MIE 0W390000

Catalogue of MerCruiser 350 MAG MPI MIE engine parts for serial range 0W390000 THRU 0W689999, with exploded views and diagrams.
MerCruiser 350 Mag MPI MIE S/N 0W690000

MerCruiser 350 Mag MPI MIE engine parts for serial range 0w690000 THRU 1a089999, with exploded views and catalogue references.
MerCruiser 350 Mag MPI Ski

1998 catalogue for the MerCruiser 350 Mag MPI Ski engine, serials 0L002600 to 0M310009, with exploded views and references.
MerCruiser 350 Mag MPI MIE 1998

Catalogue of parts for the 1998 MerCruiser 350 Mag. MPI MIE (Gen Plus) GM 350 V-8 engine, serial 0L002008 THRU 0L302199.
MerCruiser 5.7L Horizon S/N 1A090000

MerCruiser 5.7L MPI Horizon MIE engine parts for serial range 1A090000 THRU 1A092168, with exploded views and diagrams.
5.7L MPI Horizon MIE 1A092169+

Parts, exploded views and diagrams for the MerCruiser 5.7L MPI Horizon MIE engine, serial range 1A092169 & up.
MerCruiser 5.7L MPI MIE 1A090000

Parts and exploded views for the MerCruiser 5.7L MPI MIE engine, serial range 1A090000 THRU 1A092168.
MerCruiser 5.7L MPI MIE 1A092169+

MerCruiser 5.7L MPI MIE engine parts and exploded views, serial range 1A092169 & up.
MerCruiser 5.7L MPI EC – 1A090000

Parts and exploded views for the MerCruiser 5.7L MPI MIE EC engine, series 1A090000 THRU 1A092168.
MerCruiser 5.7L MIE EC 1A092169+

MerCruiser 5.7L MPI MIE EC engine parts and exploded views for serial range 1A092169 & UP.
MerCruiser 5.7L MPI ski 1A090000

Catalogue for the MerCruiser 5.7L MPI ski engine, serial numbers 1A090000 & up, with exploded views and part numbers.
MerCruiser 5.7L MPI Towsport Gen III

Parts and exploded views for the MerCruiser 5.7L MPI Towsport with Gen III engine, serial 1A091881 & up.
MerCruiser 5.7l Ski EC

Parts catalogue for the MerCruiser 5.7l Ski EC engine, serial range 1A090000 & up, with exploded views and references.
MerCruiser D7.3L D-Tronic 1998

Parts and exploded views for the 1998 MerCruiser D7.3L D-Tronic engine, for serial numbers 0K095775 & UP.
MerCruiser D7.3L D-Tronic 300 1999

Parts and exploded views for the 1999 MerCruiser D7.3L D-Tronic 300 engine, serial range 0L050050 & up.

All engines

M30T300B Moteur mercruiser 300 tempest gm 350 v-8 1985-1986 6668677 thru 0b430367 M35C350A Embase mercruiser 350 (4bbl) crate alpha 1g800000 & up M35C350B Embase mercruiser 350 (4bbl) crate bravo 1g800000 & up M35C350C Moteur mercruiser 350 (4bbl) crate inboard 1g800000 & up M35M3AA0 Moteur mercruiser 350 mag mpi horizon mie 0m317000 thru 0m398371 M35M3AA1 Moteur mercruiser 350 mag mpi horizon mie 0m398372 thru 0w389999 M35M3AA2 Moteur mercruiser 350 mag mpi horizon mie 0w390000 thru 0w689999 M35M3AA3 Moteur mercruiser 350 mag mpi horizon mie 0w690000 thru 1a089999 M35M3AA4 Moteur mercruiser 350 mag mpi mie 0l302200 thru 0m299999 M35M3AA5 Moteur mercruiser 350 mag mpi mie 0m310000 thru 0m316999 M35M3AA6 Moteur mercruiser 350 mag mpi mie 0m317000 thru 0m398371 M35M3AA7 Moteur mercruiser 350 mag mpi mie 0m398372 thru 0w389999 M35M3AA8 Moteur mercruiser 350 mag mpi mie 0w390000 thru 0w689999 M35M3AA9 Moteur mercruiser 350 mag mpi mie 0w690000 thru 1a089999 M35M3AAD Embase mercruiser 350 mag mpi alpha_bravo 0l010019 thru 0l339999 M35M3AAE Embase mercruiser 350 mag mpi alpha_bravo 0l331599 thru 0m299999 M35M3AAF Embase mercruiser 350 mag mpi alpha_bravo 0m300000 thru 0m599999 M35M3AAG Embase mercruiser 350 mag mpi alpha_bravo 0m600000 thru 0w059999 M35M3AAH Embase mercruiser 350 mag mpi alpha_bravo 0w060000 thru 0w309999 M35M3AAI Embase mercruiser 350 mag mpi alpha_bravo 0w310000 thru 0w649999 M35M3AAJ Embase mercruiser 350 mag mpi alpha_bravo 0w650000 thru 1a299999 M35M3AAK Embase mercruiser 350 mag mpi alpha_bravo 1a300000 thru 1a611927 M35M3AAL Embase mercruiser 350 mag mpi alpha_bravo 1a611928 thru 1a623184 M35M3AAM Embase mercruiser 350 mag mpi alpha_bravo 1a623185 & up M35M3AAN Embase mercruiser 350 mag mpi alpha_bravo ec 1a300000 thru 1a611927 M35M3AAO Embase mercruiser 350 mag mpi alpha_bravo ec 1a611928 thru 1a623184 M35M3AAP Embase mercruiser 350 mag mpi alpha_bravo ec 1a623185 & up M35M3AAQ Embase mercruiser 350 mag mpi horizon alpha_bravo 0m300000 thru 0m599999 M35M3AAR Embase mercruiser 350 mag mpi horizon alpha_bravo 0m600000 thru 0w059999 M35M3AAS Embase mercruiser 350 mag mpi horizon alpha_bravo 0w060000 thru 0w309999 M35M3AAT Embase mercruiser 350 mag mpi horizon alpha_bravo 0w310000 thru 0w649999 M35M3AAU Embase mercruiser 350 mag mpi horizon alpha_bravo 0w650000 thru 1a299999 M35M3AAV Embase mercruiser 350 mag mpi horizon alpha_bravo ec 1a300000 thru 1a611927 M35M3AAW Embase mercruiser 350 mag mpi horizon alpha_bravo ec 1a611928 thru 1a623184 M35M3AAX Embase mercruiser 350 mag mpi horizon alpha_bravo ec 1a623185 & up M35M3AAY Moteur mercruiser 350 mag mpi horizon mie 0l302200 thru 0m299999 M35M3AAZ Moteur mercruiser 350 mag mpi horizon mie 0m310000 thru 0m316999 M35M3ABA Moteur mercruiser 350 mag mpi ski (gen plus) gm 350 v-8 1998 and up 0l002600 thru 0m310009 M35M3ABM Embase mercruiser 350 mag. bravo mpi(gen plus) gm 350 v-8 1996 0f602000 thru 0k001500 M35M3ABN Embase mercruiser 350 mag. bravo mpi(gen plus) gm 350 v-8 1997 0k001501 and up M35M3ABQ Moteur mercruiser 350 mag. mpi mie (gen plus) gm 350 v-8 1998 0l002008 thru 0l302199 M35M3ABS Embase mercruiser 350 mpi alpha 1g400000 & up M3D199A Moteur mercruiser d7.3l d-tronic 1998 0k095775 & up M3D300A Moteur mercruiser d7.3l d-tronic 300 1999 0l050050 & up M57MLMPA Moteur mercruiser 5.7l mpi horizon mie 1a090000 thru 1a092168 M57MLMPB Moteur mercruiser 5.7l mpi horizon mie 1a092169 & up M57MLMPC Moteur mercruiser 5.7l mpi mie 1a090000 thru 1a092168 M57MLMPD Moteur mercruiser 5.7l mpi mie 1a092169 & up M57MLMPE Moteur mercruiser 5.7l mpi mie ec 1a090000 thru 1a092168 M57MLMPF Moteur mercruiser 5.7l mpi mie ec 1a092169 & up M57MLMPG Moteur mercruiser 5.7l mpi ski 1a090000 & up M57MLMPH Moteur mercruiser 5.7l mpi towsport with gen iii 1a091881 & up M57SLSKA Moteur mercruiser 5.7l ski ec 1a090000 & up M74B454A Embase mercruiser 7.4l bravo (gen. v) gm 454 v-8 1992-1996 0d603118 thru 0f800699 M74B454B Embase mercruiser 7.4l bravo (gen. vi) gm 454 v-8 1996-1997 0f800700 thru 0k999999 M74B454D Embase mercruiser 7.4l bravo gm 454 v-8 1988-1991 0b771113 thru 0d603117 M74B454G Embase mercruiser 7.4lx bravo (tbi)(gen. vi) gm 454 v-8 1996-1997 0f820000 thru 0k999999