Specifications

Output61
Voltage12
TypeAlternator
DesignIR/EF
RotationCW
ManufacturerMARINE CONVERSION
Series10SI
PulleyV1
Pulley groove OD0
Plug code151
Lester number8903
PIC code240-028, 240-028A
NotesThis is a 10SI style alternator to replace early Prestolite marine units with dual top ears. When making this update it is not necessary to use the external regulator as this unit has the regulator built in.

Confirmed fitment

Verified applications from the ePartsGlobal catalog. If your engine isn't listed, send us the OEM part number and we'll cross-reference it.

MakeModelEngineYearsApplication
Acadia BoatVarious Models1968–1971Boat · domestic
Chrysler Marine Engine Engine - MarineVarious Engines LM318X1970–1988Engine - Marine · domestic
Chrysler Marine Engine Engine - MarineVarious Engines LM340X1970–1988Engine - Marine · domestic
Chrysler Marine Engine Engine - MarineVarious Engines LM383X1970–1988Engine - Marine · domestic
Chrysler Marine Engine Engine - MarineVarious Engines M2651970–1988Engine - Marine · domestic
Chrysler Marine Engine Engine - MarineVarious Engines M273X1970–1988Engine - Marine · domestic
Evinrude Engine - MarineBuickV6 Eng.1963–1965Engine - Marine · domestic
Evinrude Engine - MarineChevroletV8 Eng.1963–1965Engine - Marine · domestic
Evinrude Engine - MarineOMC 4 Cyl. Eng.1963–1965Engine - Marine · domestic
Johnson Engine - MarineBuickV6 Eng.1963–1965Engine - Marine · domestic
Johnson Engine - MarineChevroletV8 Eng.1963–1965Engine - Marine · domestic
Johnson Engine - MarineOMC 4CYL Eng.1963–1965Engine - Marine · domestic
Mercruiser Stern DriveModel110 GM 2.5L - 153ci - 4cyl1963–1966Stern Drive · domestic
Mercruiser Stern DriveModel120 GM 2.5L - 153ci - 4cyl1964–1972Stern Drive · domestic
Mercruiser Stern DriveModel140 GM 3.0L - 181ci - 4cyl1968–1972Stern Drive · domestic
Mercruiser Stern DriveModel140 GM 3.2L - 194ci - 6cyl1963–1963Stern Drive · domestic
Mercruiser Stern DriveModel150 GM 3.8L - 230ci - 6cyl1964–1966Stern Drive · domestic
Mercruiser Stern DriveModel190 GM 4.6L - 283ci - 8cyl1963–1964Stern Drive · domestic
Mercruiser Stern DriveModel225 GM 5.4L - 327ci - 8cyl1963–1966Stern Drive · domestic
Mercruiser Stern DriveRover 6060ci - 4cyl1965–1967Stern Drive · domestic
Mercruiser Stern DriveRover 601965–1967domestic
Mercruiser Stern DriveRover 601965–1967domestic
Chris Craft283 Corvette1961–1967domestic
Chris Craft283-F Corvette1961–1966domestic
Chris Craft283-O Corvette1961–1967domestic
Chris Craft307 Corvette1961–1966domestic
Chris Craft327 Corvette1961–1966domestic
ChryslerHEMI 5.7L EZC1970–1988domestic
ChryslerHEMI 6.4L ESB1970–1988domestic
ChryslerPentastar 3.6L ERB1970–1988domestic
Evinrude115 HP Pontoon1963–1982domestic
EvinrudeAll Models1963–1982domestic
EvinrudeE-TEC 115 H.O.1963–1982domestic
EvinrudeE-TEC 115 HP1963–1982domestic
EvinrudeE-TEC 150 H.O.1963–1982domestic
EvinrudeE-TEC 150 HP1963–1982domestic
EvinrudeE-TEC 60 115HP1963–1982domestic
EvinrudeE-TEC 90 H.O.1963–1982domestic
Mercruiser Stern DriveModel 1101963–1966domestic
Mercruiser Stern DriveModel 1201964–1972domestic
Mercruiser Stern DriveModel 1401963–1972domestic
Mercruiser Stern DriveModel 1501964–1966domestic
Mercruiser Stern DriveModel 1901963–1964domestic
Mercruiser Stern DriveModel 2251963–1966domestic
OMC Engine - Inboard & V-DriveAJ Series1971–1974domestic
OMC Engine - Inboard & V-DriveAT Series1971–1974domestic
OMC Engine - Inboard & V-DriveAll Models1966–1979domestic
OMC Engine - Inboard & V-DriveCU / CUE-12M Series1967–1974domestic
OMC Engine - Inboard & V-DriveCU Series1967–1974domestic
OMC Engine - Inboard & V-DriveHU / HUE-12M Series1967–1974domestic
ChryslerHEMI 6.4L ESB1970–1988domestic
OMC Engine - Inboard & V-DriveHU Series1967–1974domestic
OMC Engine - Inboard & V-DriveJT Series1971–1974domestic
OMC Engine - Inboard & V-DriveTT Series1971–1974domestic
OMC Engine - Inboard & V-DriveXU Series1967–1974domestic
Chris Craft283 Corvette1961–1967domestic
Chris Craft283-F Corvette1961–1966domestic
Chris Craft283-O Corvette1961–1967domestic
Chris Craft307 Corvette1961–1966domestic
Chris Craft327 Corvette1961–1966domestic
ChryslerHEMI 5.7L EZC1970–1988domestic
ChryslerPentastar 3.6L ERB1970–1988domestic
Evinrude115 HP Pontoon1963–1982domestic
EvinrudeAll Models1963–1982domestic
EvinrudeE-TEC 115 H.O.1963–1982domestic
EvinrudeE-TEC 115 HP1963–1982domestic
EvinrudeE-TEC 150 H.O.1963–1982domestic
EvinrudeE-TEC 150 HP1963–1982domestic
EvinrudeE-TEC 60 115HP1963–1982domestic
EvinrudeE-TEC 90 H.O.1963–1982domestic
Mercruiser Stern DriveModel 1101963–1966domestic
Mercruiser Stern DriveModel 1201964–1972domestic
Mercruiser Stern DriveModel 1401963–1972domestic
Mercruiser Stern DriveModel 1501964–1966domestic
Mercruiser Stern DriveModel 1901963–1964domestic
Mercruiser Stern DriveModel 2251963–1966domestic
OMC Engine - Inboard & V-DriveAJ Series1971–1974domestic
OMC Engine - Inboard & V-DriveAT Series1971–1974domestic
OMC Engine - Inboard & V-DriveAll Models1966–1979domestic
OMC Engine - Inboard & V-DriveCU / CUE-12M Series1967–1974domestic
OMC Engine - Inboard & V-DriveCU Series1967–1974domestic
OMC Engine - Inboard & V-DriveHU / HUE-12M Series1967–1974domestic
OMC Engine - Inboard & V-DriveHU Series1967–1974domestic
OMC Engine - Inboard & V-DriveJT Series1971–1974domestic
OMC Engine - Inboard & V-DriveTT Series1971–1974domestic
OMC Engine - Inboard & V-DriveXU Series1967–1974domestic

Cross-reference

OEM and aftermarket part numbers that interchange with this unit, from the ePartsGlobal catalog.

WAI New8903N-61A
Arco40112
Lester8903
Sierra Marine18-5954
WAI New8903N-94A
ProtorquePH300-0028, PH300-0028-HO