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Replacement and OEM Parts for Chevrolet K20 Alternator
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Chevrolet K20 Alternator

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  • Remy Remanufactured Alternator for Chevrolet K20 - 20136

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20136
    Product Specifications
    • Amp Rating: 100
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 71
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244201363
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $95.10
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7290109

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7290109
    Product Specifications
    • Amps: 97 Amps
    • Clock: 9:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $59.51
  • Remy Remanufactured Alternator for Chevrolet K20 - 20250

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20250
    Product Specifications
    • Amp Rating: 78
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 71
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $71.37
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7273109

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7273109
    Product Specifications
    • Amps: 78 Amps
    • Clock: 9:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $69.65
  • Remy Remanufactured Alternator for Chevrolet K20 - 20038

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20038
    Product Specifications
    • Amp Rating: 42
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 66
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $43.75
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7273103

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7273103
    Product Specifications
    • Amps: 78 Amps
    • Clock: 3:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $69.65
  • Remy Remanufactured Alternator for Chevrolet K20 - 20039

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20039
    Product Specifications
    • Amp Rating: 63
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 66
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 3
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $66.16
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7273112

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7273112
    Product Specifications
    • Amps: 78 Amps
    • Clock: 12:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $69.65
  • Remy Remanufactured Alternator for Chevrolet K20 - 20043

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20043
    Product Specifications
    • Amp Rating: 63
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 71
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $66.16
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7135112

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7135112
    Product Specifications
    • Amps: 80 Amps
    • Clock: 12:30
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $52.12
  • Remy Remanufactured Alternator for Chevrolet K20 - 20254

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20254
    Product Specifications
    • Amp Rating: 78
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 71
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244202544
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $71.33
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7127SW3

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7127SW3
    Product Specifications
    • Amps: 63 Amps
    • Clock: 3:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $63.08
  • Remy Alternator for Chevrolet K20 - 91751

    Remy® Alternator for Chevrolet K20

    PartNumber: 91751
    Product Specifications
    • Amp Rating: 63
    • Fan Type: External
    • New or Remanufactured: New
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 66
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Alternator
    More Info
    $106.98
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7272112

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7272112
    Product Specifications
    • Amps: 66 Amps
    • Clock: 12:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $56.53
  • Remy Alternator for Chevrolet K20 - 91757

    Remy® Alternator for Chevrolet K20

    PartNumber: 91757
    Product Specifications
    • Amp Rating: 78
    • Fan Type: External
    • New or Remanufactured: New
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Part Status: Superseded to 91053
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 66
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 3
    • Part Description: Chevrolet K20 Alternator
    More Info
    $63.72
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7272103

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7272103
    Product Specifications
    • Amps: 66 Amps
    • Clock: 3:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $23.92
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7127109

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7127109
    Product Specifications
    • Amps: 63
    • Clock: 9:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $53.20
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7127112

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7127112
    Product Specifications
    • Amps: 61 Amps
    • Clock: 12:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $53.20
  • Quality-Built Alternator Remanufactured for Chevrolet K20 - 7127103

    Quality-Built® Alternator Remanufactured for Chevrolet K20

    PartNumber: 7127103
    Product Specifications
    • Amps: 63 Amps
    • Clock: 3:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator Remanufactured
    More Info
    $62.50
  • Quality-Built Alternator New for Chevrolet K20 - 7127103N

    Quality-Built® Alternator New for Chevrolet K20

    PartNumber: 7127103N
    Product Specifications
    • Amps: 61 Amps
    • Clock: 3:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • UPC: 029175001346
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator New
    More Info
    $157.73
  • Quality-Built Alternator New for Chevrolet K20 - 7127109N

    Quality-Built® Alternator New for Chevrolet K20

    PartNumber: 7127109N
    Product Specifications
    • Amps: 63
    • Clock: 9:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12
    • Part Description: Chevrolet K20 Alternator New
    More Info
    $90.75
  • Quality-Built Alternator New for Chevrolet K20 - 7127112N

    Quality-Built® Alternator New for Chevrolet K20

    PartNumber: 7127112N
    Product Specifications
    • Amps: 61 Amps
    • Clock: 12:00
    • Fan: External
    • Manufacturer: Delco
    • Pulley: 1 Groove V-belt
    • Regulator: Internal
    • Rotation: Clockwise
    • UPC: 029175001377
    • Volts: 12 Volts
    • Part Description: Chevrolet K20 Alternator New
    More Info
    $104.79
  • Remy Remanufactured Alternator for Chevrolet K20 - 20040

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20040
    Product Specifications
    • Amp Rating: 42
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 66
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 9
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $51.75
  • Remy Remanufactured Alternator for Chevrolet K20 - 20041

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20041
    Product Specifications
    • Amp Rating: 63
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 71
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244200410
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $66.16
  • Remy Remanufactured Alternator for Chevrolet K20 - 20260

    Remy® Remanufactured Alternator for Chevrolet K20

    PartNumber: 20260
    Product Specifications
    • Amp Rating: 78
    • Fan Type: External
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: V-Belt
    • Pulley Groove Quantity: 1
    • Pulley Included: Yes
    • Pulley Outside Diameter: 71
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: Chevrolet K20 Remanufactured Alternator
    More Info
    $71.37
  • OEM Chevrolet K20 Reman Alternator (Delco 12Si 78 Amps) Diagram - 19151861
    View Related Parts

    OEM (Genuine) Chevrolet K20 Reman Alternator (Delco 12Si 78 Amps)

    PartNumber: 19151861
    OEM Chevrolet K20 Reman Alternator (Delco 12Si 78 Amps) - 19151861
    Product Specifications
    • Other Names: Alternator, Alternator Assembly
    • Item Dimensions: 9.4 x 8.2 x 7.4 inches
    • Item Weight: 13.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10463058
    • Part Description: Chevrolet K20 Reman Alternator (Delco 12Si 78 Amps)
    More Info
  • OEM Chevrolet K20 Reman Alternator(Delco 27Si 80 Amps) Diagram - 19151890
    View Related Parts

    OEM (Genuine) Chevrolet K20 Reman Alternator(Delco 27Si 80 Amps)

    PartNumber: 19151890
    OEM Chevrolet K20 Reman Alternator(Delco 27Si 80 Amps) - 19151890
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 9.5 x 7.9 x 7.6 inches
    • Item Weight: 17.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 1979868, 01979868, 01101061, 1101061
    • Part Description: Chevrolet K20 Reman Alternator(Delco 27Si 80 Amps)
    More Info
  • OEM Chevrolet K20 Reman Alternator (Delco 12Si 94 Amps) Diagram - 19151862
    View Related Parts

    OEM (Genuine) Chevrolet K20 Reman Alternator (Delco 12Si 94 Amps)

    PartNumber: 19151862
    OEM Chevrolet K20 Reman Alternator (Delco 12Si 94 Amps) - 19151862
    Product Specifications
    • Other Names: Alternator, Alternator Assembly
    • Item Dimensions: 9.3 x 7.8 x 7.3 inches
    • Item Weight: 11.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10463397, 1101308, 01101308
    • Part Description: Chevrolet K20 Reman Alternator (Delco 12Si 94 Amps)
    More Info
  • OEM Chevrolet K20 Reman Alternator(Delco 10Si 63 Amps)(Regulator @ 9:00 ) Diagram - 19151858
    View Related Parts

    OEM (Genuine) Chevrolet K20 Reman Alternator(Delco 10Si 63 Amps)(Regulator @ 9:00 )

    PartNumber: 19151858
    OEM Chevrolet K20 Reman Alternator(Delco 10Si 63 Amps)(Regulator @ 9:00 ) - 19151858
    Product Specifications
    • Other Names: Alternator, Alternator Assembly
    • Item Dimensions: 9.3 x 7.8 x 7.3 inches
    • Item Weight: 10.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 1979865, 1105360, 01105360, 01979865
    • Part Description: Chevrolet K20 Reman Alternator(Delco 10Si 63 Amps)(Regulator @ 9:00 )
    More Info
  • OEM Chevrolet K20 Reman Alternator(Delco 12Si 78 Amps)(Regulator @ 3:00 ) Diagram - 19151866
    View Related Parts

    OEM (Genuine) Chevrolet K20 Reman Alternator(Delco 12Si 78 Amps)(Regulator @ 3:00 )

    PartNumber: 19151866
    OEM Chevrolet K20 Reman Alternator(Delco 12Si 78 Amps)(Regulator @ 3:00 ) - 19151866
    Product Specifications
    • Item Dimensions: 9.4 x 7.9 x 7.3 inches
    • Item Weight: 12.10 Pounds
    • Replaces: 1979866, 1979861, 10495426, 1979859, 01979866, 01979861, 10497076, 01979859, 10495425
    • Part Description: Chevrolet K20 Reman Alternator(Delco 12Si 78 Amps)(Regulator @ 3:00 )
    More Info
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About Chevrolet K20 Alternator

The Chevrolet K20 is a member of Chevy's K truck line. When it comes to agricultural labor or temporary job, the Chevrolet K20 is an absolute giant. It appeals to drivers with lots of high-quality parts, such as the alternator. It acts as a generator that sends power to other electrical components while the car is in constant movement. The Chevrolet K20 alternator is used in central power, which controls the field current in order to keep the power system stable.
There are lots of inexpensive and great parts online, such as the Chevrolet K20 alternator. We are here for you 24/7. Get advanced parts like the alternator at a low price with just a few clicks.

Browse Chevrolet K20 Alternator by Years

1986 1985 1984