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10-386,10-389,110-355,110-386,110-389,8EM2004,8EM2004K,8EM2004KA,8EM2004KB,8EM2004KBS|Universal M-50B 1998-2004
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7465

MOTOROLAAlternatorIR/EF12V51ACW Rotation

Fits Universal Engine - Marine, OMC Engine - Marine, Universal Marine Engine, Volvo Penta Engine - Marine, Volvo Penta Pleasure Craft Inboard Engine, Volvo Penta Marine Engine and 2 more makes · 2.3L–8.2L engines

19 interchanges53 applications43 components

Or call (405) 225-7220 · M–F 8–5 CT

Note:Series 8MR-UL APPROVED Part No 8MR2091KSS Sales No 110-686 Comments External Sense Volts 12 Amps 51 Mount SPOOL Rotation CLOCKWISE Housing Coating E-COAT UL Approved YES Spool Length 2 Mounting SPOOL Mounting Bolt Size .375-.390 Ear Size 5/16-18 NC Mounting Holes 1 Positive Stud Size 1/4-20 NC Negative Stud Size 10-24 NC Regulator Sense Remote Sense Trio YES Regulator Excite Ignition Excite SmartChek Regulator NO Lamp Driver NO Regulator Location Integral Regulator Model 8RG2061 Adjustable NO Rectifier Location INTERNAL Shaft Diameter .6265-.6272 Pulley Number 4944683A01

Specifications

Full technical detail

Type
Alternator
Manufacturer
MOTOROLA
Design
IR/EF
Voltage
12V
Amperage
51A
Rotation
CW
MFR Series
8MR
Pulley Design
V1
Plug Clock
12:00
Plug Orientation
REAR

OEM part numbers

Genuine OEM & engine-manufacturer numbers this alternator replaces

Motorola
10-386, 8EM2014K, 8EM2014KA, 10-389, 8EM2017K, 8EM2017KA, 8EM2004, 8EM2004K, 8EM2004KA, 8EM2004KB, 8EM2004KBS, 8MR2091KS, 8MR2091KSS
Prestolite
110-355, 110-686, 110-386, 110-389
Volvo-Penta
3853853, 3857298

Vehicle applications

Fits 53 configurations

Showing 40 of 53 configurations
Domestic(40)
MakeModelEngineYears
Medalist Engine - Marine(Engine - Marine)Various
Motorola Engine - Marine(Engine - Marine)Various Models Various Engines
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE5.8L1989–1996
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE7.4L1990–1996
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE3.0L1987–1996
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE4.3L1987–1996
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE5.7L1994–1996
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE3.2L1992–1993
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE8.2L1988–1992
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE5.0L1990–1992
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE5.7L1987–1991
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE7.5L1987–1990
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE2.3L1987–1990
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE7.4L1988–1988
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE5.0L1987–1988
OMC Engine - Marine(Engine - Marine)INBOARD & V-DRIVE Various Engines
Universal Engine - Marine(Engine - Marine)54112 Cyl. Diesel1977–1982
Universal Engine - Marine(Engine - Marine)54162 Cyl. Diesel1976–1982
Universal Engine - Marine(Engine - Marine)54213 Cyl. Diesel1978–1981
Universal Engine - Marine(Engine - Marine)5432 Atomic Four4 Cyl. Diesel1978–1982
Universal Engine - Marine(Engine - Marine)M-122 Cyl. Diesel1983–1988
Universal Engine - Marine(Engine - Marine)M-152 Cyl. Diesel1982–1983
Universal Engine - Marine(Engine - Marine)M-182 Cyl. Diesel1983–1988
Universal Engine - Marine(Engine - Marine)M-202 Cyl. Diesel1982–1983
Universal Engine - Marine(Engine - Marine)M-253 Cyl. Diesel1981–1986
Universal Engine - Marine(Engine - Marine)M-25 XP3 Cyl. Diesel1986–1993
Universal Engine - Marine(Engine - Marine)M-354 Cyl. Diesel1987–1993
Universal Engine - Marine(Engine - Marine)M-35A4 Cyl. Diesel1994–1997
Universal Engine - Marine(Engine - Marine)M-50B4 Cyl. Diesel1998–2004
Universal Engine - Marine(Engine - Marine)M2-122 Cyl. Diesel1987–1997
Universal Engine - Marine(Engine - Marine)M3-203 Cyl. Diesel1988–1993
Universal Engine - Marine(Engine - Marine)M3-20A3 Cyl. Diesel1994–1997
Universal Engine - Marine(Engine - Marine)M4-30 Atomic Four4 Cyl. Diesel1988–1993
Universal Engine - Marine(Engine - Marine)M4-30A4 Cyl. Diesel1994–1997
Universal Marine Engine(Marine Engine)54243 Cyl. Diesel1977–1983
Universal Marine Engine(Marine Engine)54444 Cyl. Diesel1980–1982
Universal Marine Engine(Marine Engine)M-303 Cyl. Diesel1983–1987
Universal Marine Engine(Marine Engine)M-404 Cyl. Diesel1982–1998
Universal Marine Engine(Marine Engine)M-504 Cyl. Diesel1982–1997
Volvo Penta Engine - Marine(Engine - Marine)3.0GL4cyl, 181ci, 3.0L Gas1993–1999

Component breakdown

Replacement parts that go inside this unit

ComponentPart numbers
Bearing, Ball5-4000
Bearing, Ball5-4000
Bearing, Ball5-4000
Bearing, Ball5-4000
Brush Holder Assy, Alt7410-1402
Brush Holder Assy, Alt7410-1406
Brush Holder Assy, Alt7410-1406
Brush Holder Assy, Alt7410-1406
Brush Holder Assy, Alt7410-1401
Brush, Alt7310-100
Diode7700-10
Diode Trio7710-681
Diode Trio7710-690
Diode Trio7710-690
Diode Trio7710-690
Frame, DE, Alt7610-135
Frame, DE, Alt7610-135
Frame, DE, Alt7610-135
Frame, DE, Alt7610-106
Frame, SRE, Alt7510-120
Frame, SRE, Alt7510-120
Frame, SRE, Alt7510-120
Insulator, Alt9220-2016
Pulley7910-4103
Pulley7910-4103
Pulley7910-4104
Rectifier7710-3554
Rectifier7710-3554
Rectifier7710-3554
Rectifier, Neg7710-3541
Rectifier, Pos7710-3523
Regulator8010-316
Regulator, Alt8010-265
Regulator, Alt8010-265
Regulator, Alt8010-265
Rotor7010-1383
Rotor7010-1383
Rotor7010-1383
Rotor7010-1383
Slip Ring, Rotor7110-100
Stator7210-1319 7210-1320
Stator7210-1320
Test Lead, Alt9800-I