Bosch Alternators| J&N

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Bosch Alternators

Bosch Alternators

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80 Products

Amps

100
105
110
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275
37
50
55
65
70
80
90

136
140
150
160
180
200
240
275
37
50
55
65
70
80
90

Condition

New
Remanufactured

Fan Location

External
Internal

Mount Type

J180
Spool

Number of Grooves

1
4
5
6
7
8

Polarity

Insulated
Negative

Pulley Type

Clutch
Decoupler
Solid

Regulator Location

External
Internal

Rotation

Clockwise
Counter Clockwise

Voltage Nominal

12
24

80 Products

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BOM info Avail

SKU: BOS-AL9961LH

Bosch Alternator

New Alternator

Lester12491, 8360, 8361, 8362, 8363, 8364, 8369, 8410, 8412, 8570, 8571, 8693, 8705, 8706, 8707, 8710, 8732

Volt12

Amps160

ConditionNew

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

PolarityNegative

Shaft Pulley OD0.875"

Shaft Pulley OD22.220mm

Ignition Excited@ 80A at Idle Speed

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SKU: BOS-AL9960LH

Bosch Alternator

New Alternator

Lester12490, 8010, 8011, 8012, 8013, 8014, 8015, 8016, 8017, 8018, 8019, 8020, 8021, 8022, 8023, 8024, 8025, 8026, 8027, 8028, 8029, 8031, 8032, 8033, 8035, 8036, 8037, 8038, 8039, 8040, 8058, 8070, 8071, 8072, 8073, 8074, 8075, 8078, 8079, 8380, 8381, 8560, 8570, 8640, 8641, 8642, 8643, 8696, 8701, 8702, 8703, 8704, 8710, M201109, M201112, M20149, M20154

Volt12

Amps160

ConditionNew

J180 Hinge Length197.87

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3I

Terminal 3 SizeM5x0.8

Terminal ID 4R

Terminal 4 SizeM5x0.8

PolarityNegative

Shaft Pulley OD0.875"

Shaft Pulley OD22.220mm

Self Excited@ 80A at Idle Speed

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SKU: BOS-1986A00956

Bosch Alternator

New Alternator

Lester12796

Volt12

Amps200

ConditionNew

Mount Hole ID 110.500mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

PolarityNegative

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BOM info Avail

SKU: BOS-F000BL0118

Bosch Alternator

New Alternator

Lester11913

Volt12

Amps80

ConditionNew

Regulator Clock7:30

Mount Hole ID 1M8-1.25

Mount Hole 1 TypeThreaded

Mount Hole 2 TypeUnthreaded

Mount Hole ID 310.500mm

Mount Hole 3 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8-1.25

Number of Grooves1

Pulley TypeSolid

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SKU: BOS-AL5058N

Bosch Alternator

New Alternator

Lester12795

Volt12

Amps200

ConditionNew

Mount Hole ID 110.200mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

PolarityNegative

Number of Grooves8

Pulley TypeSolid

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SKU: BOS-AL9120N

Bosch Alternator

New Alternator

Volt12

Amps120

ConditionNew

Regulator Clock12:30

Rotation DirectionClockwise

Mount Hole ID 1M8x1.25

Mount Hole 1 TypeThreaded

Mount Hole 2 TypeUnthreaded

Mounting Ear Thickness0.787"

Mounting Ear Thickness20mm

Mounting Ear 2 Thickness1.996"

Mounting Ear 2 Thickness50.700mm

Fan LocationExternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM6x1.00

Terminal ID 3L

Terminal 3 SizeSpade

Terminal ID 4S

Terminal 4 SizeSpade

Terminal ID 5W

Terminal 5 SizeSpade

PolarityNegative

Shaft Pulley OD0.669"

Shaft Pulley OD17mm

ShaftM16x1.50

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SKU: BOS-AL9972N

Bosch Alternator

New Alternator

Lester12372, 12373

FamilyBosch K1

Volt12

Amps120

ConditionNew

Fan LocationExternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

PolarityNegative

Includes (1) Pigtail for Use with Indicator Light & (1) Pigtail for Use with Indicator Light & Tachometer

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BOM info Avail

SKU: BOS-AL9963SB

Bosch Alternator

New Alternator

Lester12715, 12881

Critical Note8.0" DE Mounting Hole Distance

Volt12

Amps200

ConditionNew

Mount Hole ID 11/2-13

Mount Hole 1 TypeThreaded

Mount Hole 2 TypeUnthreaded

Mount Hole ID 313.200mm

Mount Hole 3 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3B2+

Terminal 3 SizeM6x1.00

Terminal ID 4D+

Terminal 4 SizeM5x0.8

Terminal ID 5R

Terminal 5 SizeM5x0.8

PolarityNegative

Shaft Pulley OD0.875"

Shaft Pulley OD22.220mm

Operates Up to 257°F

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SKU: BOS-1986A00807

Bosch Alternator

New Alternator

FamilyBosch KCB1

Volt12

Amps90

ConditionNew

Regulator Clock12:00

Quality TypeOEM

Rotation DirectionClockwise

Mount Hole ID 110.500mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 210.500mm

Mount Hole 2 TypeUnthreaded

Mounting Ear Thickness2.205"

Mounting Ear Thickness56mm

Mounting Ear 2 Thickness2.205"

Mounting Ear 2 Thickness56mm

Fan LocationInternal

Regulator LocationInternal

Terminal IDB+

Terminal SizeM8-1.25

PolarityNegative

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Limited Availability

SKU: BOS-AL9965N

Bosch Alternator

Alternator

Volt24

Amps150

ConditionNew

Regulator Clock4:30

J180 Hinge Length197.87

Mount Hole ID 111mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Mount Hole ID 313.100mm

Mount Hole 3 TypeUnthreaded

Mounting Ear Thickness0.539"

Mounting Ear Thickness13.700mm

Mounting Ear 2 Thickness0.539"

Mounting Ear 2 Thickness13.700mm

Mounting Ear 3 Thickness0.555"

Mounting Ear 3 Thickness14.100mm

Fan LocationInternal

Regulator LocationExternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3B+

Terminal 3 SizeM8x1.25

PolarityNegative

Shaft Pulley OD0.657"

Shaft Pulley OD16.700mm

ShaftM16x1.50

(5) Pin Regulator Plug@ W, L, IGN, S, DFM

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SKU: BOS-1986A01021

Bosch Alternator

New Alternator

Volt24

Amps120

ConditionNew

Regulator Clock12:00

Mount Hole ID 110.300mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 212.500mm

Mount Hole 2 TypeUnthreaded

Mount Hole ID 310.300mm

Mount Hole 3 TypeUnthreaded

Mount Hole ID 412.500mm

Mount Hole 4 TypeUnthreaded

Mounting Ear Thickness3.150"

Mounting Ear Thickness80mm

Mounting Ear 2 Thickness3.150"

Mounting Ear 2 Thickness80mm

Mounting Ear 3 Thickness3.150"

Mounting Ear 3 Thickness80mm

Mounting Ear 4 Thickness3.150"

Mounting Ear 4 Thickness80mm

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3I

Terminal 3 SizeM5x0.8

Terminal ID 4W

Terminal 4 SizeM5x0.8

PolarityNegative

Shaft Pulley OD0.874"

Shaft Pulley OD22.200mm

ShaftM16x1.50

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SKU: BOS-1986A00932

Bosch Alternator

Alternator

FamilyBosch HD8

Volt24

Amps80

ConditionNew

Regulator Clock8:00

Mount Hole ID 112.700mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Mount Hole ID 311mm

Mount Hole 3 TypeUnthreaded

Mounting Ear Thickness0.618"

Mounting Ear Thickness15.700mm

Mounting Ear 2 Thickness0.618"

Mounting Ear 2 Thickness15.700mm

Mounting Ear 3 Thickness3.150"

Mounting Ear 3 Thickness80mm

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8-1.25

Shaft Pulley OD0.669"

Shaft Pulley OD17mm

ShaftM16-1.5

5-Pin Regulator Plug

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BOM info Avail

SKU: BOS-AL9962SB

Bosch Alternator

New Alternator

Lester12716

Volt12

Amps200

ConditionNew

Mount Hole ID 110.500mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 212.500mm

Mount Hole 2 TypeUnthreaded

Mount Hole ID 310.500mm

Mount Hole 3 TypeUnthreaded

Mount Hole ID 412.500mm

Mount Hole 4 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 Size5/16-18

Terminal ID 3S

Terminal 3 Size10-32

Terminal ID 4I

Terminal 4 Size10-32

Terminal ID 5R

Terminal 5 Size10-32

PolarityNegative

Shaft Pulley OD0.875"

Shaft Pulley OD22.220mm

High Heat Operating Temperature (257°F)@ Ground Stud on SRE Frame

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SKU: BOS-1986A00963

Bosch Alternator

New Alternator

Volt12

Amps200

ConditionNew

Mount Hole ID 111mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

PolarityNegative

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SKU: BOS-1986A00995

Bosch Alternator

New Alternator

Volt24

Amps150

ConditionNew

Regulator Clock12:00

Rotation DirectionClockwise

Mount Hole ID 112.500mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 210.600mm

Mount Hole 2 TypeUnthreaded

Mount Hole ID 312.500mm

Mount Hole 3 TypeUnthreaded

Mount Hole ID 410.600mm

Mount Hole 4 TypeUnthreaded

Mounting Ear Thickness3.150"

Mounting Ear Thickness80mm

Mounting Ear 2 Thickness3.150"

Mounting Ear 2 Thickness80mm

Mounting Ear 3 Thickness3.150"

Mounting Ear 3 Thickness80mm

Mounting Ear 4 Thickness3.150"

Mounting Ear 4 Thickness80mm

Fan LocationInternal

Regulator LocationExternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3B+

Terminal 3 SizeM8x1.25

PolarityNegative

Shaft Pulley OD0.874"

Shaft Pulley OD22.200mm

ShaftM16x1.50

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SKU: BOS-1986A00993

Bosch Alternator

New Alternator

Volt24

Amps100

ConditionNew

Regulator Clock8:00

Mount Hole ID 110.500mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3B-

Terminal 3 SizeM8x1.25

Terminal ID 4D+

Terminal 4 SizeM5x0.8

Number of Grooves8

Pulley TypeSolid

Pulley Outer Diameter2.709"

Pulley Outer Diameter68.800mm

Shaft Pulley OD0.669"

Shaft Pulley OD17mm

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SKU: BOS-AL5057N

Bosch Alternator

New Alternator

Lester12445

Volt12

Amps70

ConditionNew

Regulator Clock3:00

Mount Hole ID 18.500mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 2M8x1.25

Mount Hole 2 TypeThreaded

Mount Hole ID 38.500mm

Mount Hole 3 TypeUnthreaded

Mount Hole ID 4M8x1.25

Mount Hole 4 TypeThreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

PolarityNegative

Number of Grooves6

Pulley TypeSolid

2-Blade Plug

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SKU: BOS-1986A00986

Bosch New Alternator

New Alternator

Volt24

Amps100

ConditionNew

Regulator Clock7:30

Mount TypeSpool

Rotation DirectionClockwise

Mount Hole ID 113mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 213mm

Mount Hole 2 TypeUnthreaded

Mount Hole ID 311mm

Mount Hole 3 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal IDB2+

Terminal SizeM8-1.25

PolarityNegative

(5) Pin Regulator Plug: W, L, IG, S, DFM

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SKU: BOS-1986A00970

Bosch Alternator

New Alternator

Volt24

Amps110

ConditionNew

Regulator Clock6:30

Mount TypeSpool

Rotation DirectionClockwise

Mount Hole ID 10.4842"

Mount Hole ID 112.300mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 20.4842"

Mount Hole ID 212.300mm

Mount Hole 2 TypeUnthreaded

Mount Hole ID 30.4015"

Mount Hole ID 310.200mm

Mount Hole 3 TypeUnthreaded

Mounting Ear Thickness0.618"

Mounting Ear Thickness15.700mm

Mounting Ear 2 Thickness0.618"

Mounting Ear 2 Thickness15.700mm

Mounting Ear 3 Thickness3.154"

Mounting Ear 3 Thickness80.100mm

Fan LocationInternal

Regulator LocationInternal

Terminal IDB+

Terminal SizeM8x1.25

Terminal ID 2DFM

Terminal 2 SizePin

Terminal ID 3S

Terminal 3 SizePin

Terminal ID 4IGN

Terminal 4 SizePin

Terminal ID 5L

Terminal 5 SizePin

Terminal ID 6W

Terminal 6 SizePin

PolarityNegative

Shaft Pulley OD0.6692"

Shaft Pulley OD17mm

ShaftM16x1.50

M8x1.25 B2+ Terminal

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SKU: BOS-1986A00934

Bosch Alternator

ALTERNATOR

Volt24

Amps80

ConditionNew

Regulator Clock4:30

J180 Hinge Length197.87

Mount Hole ID 111.700mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Mount Hole ID 313.100mm

Mount Hole 3 TypeUnthreaded

Mounting Ear Thickness0.547"

Mounting Ear Thickness13.900mm

Mounting Ear 2 Thickness0.547"

Mounting Ear 2 Thickness13.900mm

Mounting Ear 3 Thickness0.567"

Mounting Ear 3 Thickness14.400mm

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3B2+

Terminal 3 SizeM8x1.25

Terminal ID 4FR

Terminal 4 SizePin

Terminal ID 5S

Terminal 5 SizePin

Terminal ID 6IGN

Terminal 6 SizePin

PolarityInsulated

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SKU: BOS-1986A00852

Bosch Alternator

New Alternator

Lester11562

FamilyBosch KCB1

Volt12

Amps120

ConditionNew

Regulator Clock4:00

Rotation DirectionClockwise

Mount Hole ID 110.500mm

Mount Hole 1 TypeUnthreaded

Mount Hole 2 TypeUnthreaded

Mount Hole ID 3M10x1.50

Mount Hole 3 TypeThreaded

Alt Mounting Foot ID10.500mm

Alt Mounting Foot TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3DFM

Terminal 3 SizeSpade

Terminal ID 4L

Terminal 4 SizeSpade

PolarityNegative

Number of Grooves8

Pulley TypeSolid

Pulley Outer Diameter2.165"

Pulley Outer Diameter55mm

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SKU: BOS-1986A00969

Bosch Alternator

Alternator

Lester23883

Volt24

Amps110

Regulator Clock12:00

Mount TypeSpool

Mount Hole ID 112.800mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 212.800mm

Mount Hole 2 TypeUnthreaded

Mount Hole ID 311mm

Mount Hole 3 TypeUnthreaded

Fan LocationInternal

Regulator LocationInternal

Terminal IDB+

Terminal SizeM8x1.25

PolarityNegative

(5) Pin Regulator Plug: W, L, IG, S, DFM

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SKU: BOS-AL9964SB

Bosch Alternator

New Alternator

Lester8327, 8681, 8682

Volt12

Amps275

ConditionNew

Pad Span Length126.24

Mount Hole ID 111.700mm

Mount Hole 1 TypeUnthreaded

Mount Hole ID 212.500mm

Mount Hole 2 TypeUnthreaded

Mount Hole ID 311.700mm

Mount Hole 3 TypeUnthreaded

Mount Hole ID 412.500mm

Mount Hole 4 TypeUnthreaded

Fan LocationExternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 Size5/16-18

Terminal ID 3S

Terminal 3 Size10-24

Terminal ID 4I

Terminal 4 Size10-24

Terminal ID 5R

Terminal 5 Size10-24

Shaft Pulley OD0.874"

Shaft Pulley OD22.200mm

210A Output at Engine Idle Speed@ Remote Battery Sense Ensures Maximum State of Battery Charge@ Temperature Protection Protects Internal Electronic Components from Extreme Temperature Spikes@ Will also Function as One Wire

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SKU: BOS-1986A00756

Bosch Alternator

New Alternator

Lester12441, 12587

FamilyBosch K1

Volt24

Amps55

ConditionNew

Regulator Clock7:30

Rotation DirectionClockwise

Mount Hole ID 1M8x1.25

Mount Hole 1 TypeThreaded

Mount Hole 2 TypeUnthreaded

Alt Mounting Foot ID10.500mm

Alt Mounting Foot TypeUnthreaded

Mounting Ear Thickness0.646"

Mounting Ear Thickness16.400mm

Mounting Ear 2 Thickness2.008"

Mounting Ear 2 Thickness51mm

Alt Mounting Foot Thickness2.008"

Alt Mounting Foot Thickness51mm

Fan LocationExternal

Regulator LocationInternal

Terminal ID 2B+

Terminal 2 SizeM8x1.25

Terminal ID 3D+

Terminal 3 SizeM5x0.8

Terminal ID 4W

Terminal 4 Size6.2mm Spade

PolarityNegative

Shaft Pulley OD0.669"

Shaft Pulley OD17mm

ShaftM16x1.50

External Capacitor Attached to SRE Housing

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