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Best Alternators & Generator Rotors & Armatures - Buying Guide

Last Updated: 11/14/2018

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  #1

Genuine GM 20911076 Blower Motor

Model: 20911076   |    Mpn: 20911076   |    PartNumber: 20911076   |   Asin: B00GUHLM0O

GM Motor - 20911076

Features

Brand: General Motors   |   Manufacturer: GM

Item Dimensions: 12 x 11 x 12 inches (30.5 x 27.9 x 30.5 cm)   |   Package Dimensions: 9.5 x 11.5 x 11.7 inches (24.1 x 29.2 x 29.7 cm)

Amazon Price: $98.00 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1 to 3 months
List Price: $118.41

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  #2

New Rotor, 12V, 80-100A, 6.61" / 167.8mm L, Delco / 1978875, D3160, D3169, 801792, 1877057, 10499310/303-12075, 303-12006, 303-12006R

 PartNumber: C-34-2701-9   |   Asin: B07HHGC8ZX

Rotor Rewound

Replace OEM(s): Delco

Used On: Delco 27SI Type 100 Alternators

Amps: 80/100 Amps

Amps Draw: 5.0 Amps

Amps Low Output: 80 Amps

Body OD: 4.594in / 116.7mm

Condition: Remanufactured

DE Length: 58.5mm

DE Shaft OD: 17mm

DE Threads: .668-20

Length: 6.606in / 167.8mm

Measurement: Metric

Poles Count: 16 Poles

Poles Length: 52.5mm

Poles OD: 116.3mm

Poles Thickness: 2.067in / 52.5mm

Shaft OD (DE Bearing): 0.669in / 17mm

Shaft OD (Pulley): 0.669in / 17mm

Shaft OD (SRE): 0.669in / 17mm

Shaft Threads: .669-20

Slip Ring ID: 0.728in / 18.5mm

Slip Ring OD: 1.165in / 29.6mm

SRE Length: 51.2mm

Voltage: 12 Volt

Weight: 7.3 lbs / 3.32 kg

Features

  • Rotor Rewound
  • Used On: Delco 27SI Type 100 Alternators
  • OE:1978875, D3160, D3169, 801792, 1877057, 10499310
  • 303-12075, 303-12006, 303-12006R
  • See more on Amazon...

Brand: COSMOS INTERNATIONAL   |   Manufacturer: YUHENN

Amazon Price: $58.48 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $58.48

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  #3

New Slip Ring, 1.37" / 34.7mm L, 0.52" / 13.2mm ID, 1.06" / 26.9mm OD, Premium, Ford / E9DF-10328-AA / 28-2855, 28-2855-1, 28-2855-2/313-14014

 PartNumber: C-34-53855-1   |   Asin: B07HHHVG5W

Slip Ring, Rotor 101mm Lead

Replace OEM(s): Ford

For: Ford 3G Series IR/IF Alternatorss

Used On: Ford 3G Alternators

Body OD: 3.78in / 96mm

Condition: New

Features: For ease of installation

ID: 13.2mm

Lead Length: 24mm

Length: 1.366in / 34.7mm

OA Height: 40.7mm

Ring 1 Length: 8.64mm

Ring 2 Length: 8.64mm

Rings Length: 18.8mm

Slip Ring ID: 0.52in / 13.2mm

Slip Ring OD: 1.059in / 26.9mm

Specification: 13.3mm ID x 26.9mm OD x 27mm LL

Weight: 0.11 lbs / 0.05 kg

Features

  • Slip Ring, Rotor 101mm Lead
  • Used On: Ford 3G Alternators
  • OE:E9DF-10328-AA
  • WAI:28-2855, 28-2855-1, 28-2855-2
  • 313-14014
  • See more on Amazon...

Brand: COSMOS INTERNATIONAL   |   Manufacturer: YUHENN

Amazon Price: $13.97 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $13.97

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  #4

New Rotor, 12V, 5.98" / 152mm L, Delco, AD244, DR44G / 303-12047

 PartNumber: C-34-13003-HO   |   Asin: B07HFDQRGV

Rotor High Output

Replace OEM(s): Delco

Family: AD244, DR44G

For: IR/IF Alternatorss

Used On: Delco AD244 Alternators

Amps: 200 Amps

Amps Draw: 7.8 Amps

Body OD: 4.228in / 107.4mm

Condition: New

DE Length: 48mm

DE Shaft OD: 17mm

DE Threads: .668-20

Ground: Ground

Length: 5.984in / 152mm

Notes 3: .669-20High Output Version

Poles Count: 12 Poles

Poles Length: 59mm

Poles OD: 107.4mm

Poles Thickness: 2.295in / 58.3mm

Rotation: CW

Shaft OD (DE Bearing): 0.669in / 17mm

Shaft OD (Pulley): 0.669in / 17mm

Shaft OD (SRE): 0.591in / 15mm

Shaft Threads: .669-20

Slip Ring ID: 0.323in / 8.2mm

Slip Ring OD: 0.563in / 14.3mm

Specification: Voltage: 12 Body OD: 4.228in / 107.4mm Bearing Shaft OD: 0.669in / 17mm Pulley Shaft OD: 0.669in / 17mm S. R.E. Shaft OD: 0.591in / 15mm Slip Ring OD: 0.563in / 14.3mm Slip Ring OD: 0.563in / 14.3mm Length: 5.984in / 152mm Pole Thickness: 2.295in / 58.3mm Shaft Threads: 0.669-20

SRE Length: 45mm

Voltage: 12 Volt

Weight: 7.1 lbs / 3.23 kg

Features

Brand: COSMOS INTERNATIONAL   |   Manufacturer: YUHENN

Amazon Price: $56.40 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $56.40

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  #5

Brand New Alternator Rotor Removal Tool With Flange Head Compatible with BMW R Airhead / 71 11 0 000 001

 PartNumber: BOALT-Rotor642Tool   |   Asin: B00LPWG7U4

Zinc Plated grade 10.9 hardened steel with a tensile strength 150,000 psi. Power Rating: 270 Watts / 20 Amp; Quality replacement with BOSCH Alternator Charging System.Shoulder flange for easier placement and simpler removal. Open end / spanner, closed end wrench, and sockets. Zinc Plated.

Features

  • Model: BMW R Airhead 2 Valve, Boxer Classic Style Twins Vintage
  • Compatible with BMW R45, R45T, R50, R60, R65, R65GS, R65LS, R65T, R69, R69S
  • Compatible with BMW R75, R80, R80GS, R80R, R80 R Mystik, R80RT, R80ST, R100RT, R100S
  • Compatible with : BMW R90, R90S, R100, R100CS, R100GS, R100R, R100R Mystik, R100RS
  • Part #: BMW 71 11 0 000 001 Years: 1969-1995
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Brand: EnDuraLast   |   Manufacturer: EnDuraLast

Amazon Price: $9.00 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $9.00

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  #6

Brand New Alternator Rotor & Brushes Compatible with BMW R Airhead, Moto Guzzi

 PartNumber: 1 2 3 1 1 2 4 4 6 4 2r o to r   |   Asin: B074PZK478

Part #: BOALT-Rotor642 EnDuraLast BOSCH Alternator Rotor for BOSCH Charging System. Made in Tawain Quality Aftermarket Rotor Replaces BOSCH Original Equipment Rotor on ALL BMW Airheads and Moto Guzzi model with BOSCH 3-phase Charging System 1969-1995. Includes 2 carbon brushes, for complete refreshing of the Bosch Charging System.

Features

  • Fits: Moto Guzzi Years: 1974-1994
  • Fits: BMW R Airhead 2 Valve R60, R65, R75, R80, R90, R100 Years: 1969-95
  • Part # 12 31 1 244 642 (240 watt / 17A ) , 12 31 8 002 347 ( 180 watt / 13 A )
  • Part # 17712457, 0 124 033 027
  • Rating: 270 Watts / 20 Amp; Quality replacement with BOSCH Alternator Charging System
  • See more on Amazon...

Brand: EnDuraLast   |   Manufacturer: enduralast

Amazon Price: $109.95 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $109.95

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  #7

K&L Supply 21-6446 Honda Alternator Rotor

 PartNumber: 21-6446   |   Asin: B00ZPJ0TC0

Features. Rebuildable rotor. Honda DOHC OnlyFits For. 1979-1982 Honda CB650. 1980-1981 Honda CB650C Custom. 1982 Honda CB650SC Nighthawk. 1980-1982 Honda CB750C Custom. 1979-1982 Honda CB750F Super Sport. 1979-1982 Honda CB750K. 1979 Honda CB750L LTD. 1982-1983 Honda CB750SC Nighthawk. 1980-1982 Honda CB900C Custom. 1981-1982 Honda CB900F. 1983 Honda CB1000C Custom

Features

  • Rebuildable rotor
  • Honda DOHC OnlyFits For
  • 1979-1982 Honda CB650
  • 1980-1981 Honda CB650C Custom
  • 1982 Honda CB650SC Nighthawk
  • See more on Amazon...

Brand: K&L Supply   |   Manufacturer: K&L Supply

Amazon Price: $131.47 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-3 weeks
List Price: $131.47

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  #8

Spare Rotor Head Assembly For ZX-35829

 Ean: 0818043083467   |   Asin: B00E0OLBFU

Need a spare or replacement rotor head assembly for your RC Helicopter? These are direct replacements ready to be put onto your helicopter. Pick one up today and keep your helicopter in tip top condition! Features: Direct Replacement Part Includes: Spare Rotor Head Assembly For ZX-35829

Features

Manufacturer: HeliTech

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  #9

New Slip Ring, 0.87" / 22mm L, 0.67" / 17mm ID, 1.1" / 28mm OD, Premium, Bosch / 1 124 303 015, 1 124 303 005, 1 124 303 001, 9-124-303-001, 9 124 303 001, 1124303003, 1124303005, 1-124-303-001

 PartNumber: C-34-8085   |   Asin: B07HHKN7JT

Slip Ring, Rotor

Replace OEM(s): Bosch

For: Bosch Alternatorss

Used On: Bosch Alternators

Condition: New

ID: 17mm

Length: 0.866in / 22mm

OA Length: 23.1mm

Ring 1 Length: 9.2mm

Ring 2 Length: 10.3mm

Rings Length: 22mm

Slip Ring ID: 0.669in / 17mm

Slip Ring OD: 1.102in / 28mm

Weight: 0.08 lbs / 0.04 kg

Features

  • Slip Ring, Rotor
  • Used On: Bosch Alternators
  • OE:1 124 303 015, 1 124 303 005, 1 124 303 001, 9-124-303-001, 9 124 303 001, 1124303003, 1124303005, 1-124-303-001, 1-124-303-005, 1-124-303-015, 12-31-1-276-217
  • WAI:28-91850-1, 28-91850
  • 313-24003, 313-24000
  • See more on Amazon...

Brand: COSMOS INTERNATIONAL   |   Manufacturer: YUHENN

Amazon Price: $13.87 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $13.87

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  #10

New Slip Ring, 0.67" / 17mm L, 0.41" / 10.3mm ID, 1.18" / 29.9mm OD, LucAs / 54217372, 54217371, UAB104X, 209034, UAB102, UAB104, JS443, 0209034, 608423/28-92850/313-30000

 PartNumber: C-34-8485   |   Asin: B07HHHD1N1

Slip Ring, Rotor

Replace OEM(s): Lucas

For: Lucas 15, 16,17 and 18 ACR alts.

Used On: Lucas Alternators

Condition: New

ID: 10.29mm

Length: 0.669in / 17mm

OA Height: 0.193in / 4.9mm

Slip Ring ID: 0.406in / 10.3mm

Slip Ring OD: 1.177in / 29.9mm

Weight: 0.05 lbs / 0.02 kg

Features

  • Slip Ring, Rotor
  • Used On: Lucas Alternators
  • OE:54217372, 54217371, UAB104X, 209034, UAB102, UAB104, JS443, 0209034, 608423
  • WAI:28-92850
  • 313-30000
  • See more on Amazon...

Brand: COSMOS INTERNATIONAL   |   Manufacturer: YUHENN

Amazon Price: $13.99 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $13.99

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  #11

New Slip Ring, 0.91" / 23.1mm L, 0.52" / 13.3mm ID, 1.04" / 26.3mm OD, Delco / 14690, 1989640, 1989636/28-1854, 28-1854-1, 28-1854-2/313-12000, 313-12017

 PartNumber: C-34-1286   |   Asin: B07HHGZRZ3

Slip Ring, Rotor

Replace OEM(s): Delco

For: Delco CS121, CS130 Series IR/EF Alternatorss

Used On: Delco CS121 & CS130 Alternators

Body OD: 1.551in / 39.4mm

Condition: New

ID: 13.2mm

Length: 0.909in / 23.1mm

OA Length: 17.4mm

Ring 1 Length: 7.8mm

Ring 2 Length: 7.8mm

Rings Length: 17.2mm

Slip Ring ID: 0.524in / 13.3mm

Slip Ring OD: 1.035in / 26.3mm

Specification: 13.2mm ID x 26.1mm OD

Weight: 0.07 lbs / 0.03 kg

Features

  • Slip Ring, Rotor
  • Used On: Delco CS121 & CS130 Alternators
  • OE:14690, 1989640, 1989636
  • WAI:28-1854, 28-1854-1, 28-1854-2
  • 313-12000, 313-12017
  • See more on Amazon...

Brand: COSMOS INTERNATIONAL   |   Manufacturer: YUHENN

Amazon Price: $13.95 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $13.95

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  #12

New Slip Ring, 1.37" / 34.7mm L, 0.52" / 13.2mm ID, 1.06" / 26.9mm OD, Premium, Ford, 3G / 14602, E9DF10328AA / 313-14006

 PartNumber: C-34-53855-2   |   Asin: B07HHGZJJY

Slip Ring, Rotor U Shape Lead

Replace OEM(s): Ford

Family: 3G

For: IR/IF Alternatorss

Used On: Motorcraft 3G Alternators

Body OD: 3.78in / 96mm

Condition: New

Length: 1.366in / 34.7mm

Slip Ring ID: 0.52in / 13.2mm

Slip Ring OD: 1.059in / 26.9mm

Specification: 13.3mm ID x 26.9mm OD

Weight: 0.11 lbs / 0.05 kg

Features

  • Slip Ring, Rotor U Shape Lead
  • Used On: Motorcraft 3G Alternators
  • OE:14602, E9DF10328AA
  • 313-14006
  • See more on Amazon...

Brand: COSMOS INTERNATIONAL   |   Manufacturer: YUHENN

Amazon Price: $14.13 | as of 11/14/2018(5:23pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $14.13

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Looking For Something Else? Search

Most Popular
New Releases

  1. New Rotor, 12V, 80-100A, 6.61" / 167.8mm L, Delco / 1978875, D3160, D3169, 801792, 1877057, 10499310...
  2. New Slip Ring, 1.37" / 34.7mm L, 0.52" / 13.2mm ID, 1.06" / 26.9mm OD, Premium, Ford / E9DF-10328-AA...
  3. New Rotor, 12V, 5.98" / 152mm L, Delco, AD244, DR44G / 303-12047

Most Wished For

  1. K&L Supply 21-6446 Honda Alternator Rotor
  2. Brand New Alternator Rotor & Brushes Compatible with BMW R Airhead, Moto Guzzi
  3. Brand New Alternator Rotor Removal Tool With Flange Head Compatible with BMW R Airhead / 71 11 0 000...
  4. Spare Rotor Head Assembly For ZX-35829

Most Gifted

  1. New Rotor, 12V, 80-100A, 6.61" / 167.8mm L, Delco / 1978875, D3160, D3169, 801792, 1877057, 10499310...
  2. New Slip Ring, 1.37" / 34.7mm L, 0.52" / 13.2mm ID, 1.06" / 26.9mm OD, Premium, Ford / E9DF-10328-AA...
  3. New Rotor, 12V, 5.98" / 152mm L, Delco, AD244, DR44G / 303-12047

Top Selling

  1. Genuine GM 20911076 Blower Motor
  2. New Rotor, 12V, 80-100A, 6.61" / 167.8mm L, Delco / 1978875, D3160, D3169, 801792, 1877057, 10499310...
  3. New Slip Ring, 1.37" / 34.7mm L, 0.52" / 13.2mm ID, 1.06" / 26.9mm OD, Premium, Ford / E9DF-10328-AA...
  4. New Rotor, 12V, 5.98" / 152mm L, Delco, AD244, DR44G / 303-12047
  5. Brand New Alternator Rotor Removal Tool With Flange Head Compatible with BMW R Airhead / 71 11 0 000...
  6. Brand New Alternator Rotor & Brushes Compatible with BMW R Airhead, Moto Guzzi
  7. K&L Supply 21-6446 Honda Alternator Rotor



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