Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for GMC Sierra 2500 HD Alternator
Select your vehicle for the best product fit
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Make
Select Model
Select Year
or

GMC Sierra 2500 HD Alternator

< Back to View All
Alternators, Batteries & Starters
  • Department
  • Amperage Rating
  • Condition
  • Pulley Belt Type
  • Voltage
  • Brands
  • Prices

71 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 84143543
    OEM GMC Sierra 2500 HD Alternator - 84143543
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 9.2 x 8.2 x 8.3 inches
    • Item Weight: 13.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23487089, 22747896
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $314.23 MSRP: $548.98
    You Save: $234.75 (43%)
  • Denso Remanufactured Alternator for GMC Sierra 2500 HD - 210-5381

    Denso® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 210-5381
    Product Specifications
    • Amperage Rating: 160
    • Family: Delco Remy OE
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • Plug Type: 346
    • Pulley Included: Yes
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 042511210516
    • Voltage: 12.0
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $143.52
  • TYC Alternator for GMC Sierra 2500 HD - 2-08301

    TYC® Alternator for GMC Sierra 2500 HD

    PartNumber: 2-08301
    Product Specifications
    • Configuration: 6S
    • Fan Position: Internal
    • OE Manufacturer: Delco
    • OE Part Number: 25877026
    • Power: 160 Amp
    • Regulator Position: Internal
    • Rotation Direction: CW
    • UPC: 762405284019
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $137.84
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 22065

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 22065
    Product Specifications
    • Amp Rating: 150
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Nippondenso
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 59
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244078149
    • Voltage [V]: 10
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $221.64
  • TYC Alternator for GMC Sierra 2500 HD - 2-08292

    TYC® Alternator for GMC Sierra 2500 HD

    PartNumber: 2-08292
    Product Specifications
    • Fan Position: Internal
    • OE Manufacturer: DE
    • OE Part Number: 10464476
    • Power Generation (amps): 145A
    • Pully Wheel Design: Regular
    • Pully Wheel Grooves: 6
    • Regulator Position: Internal
    • Rotation Direction: CW
    • UPC: 762405281490
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $119.60
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 20881337
    OEM GMC Sierra 2500 HD Alternator - 20881337
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 9.4 x 8.2 x 7.8 inches
    • Item Weight: 16.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25968616, 25869451, 15905872, 22781127, 15905874
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $260.54 MSRP: $491.60
    You Save: $231.06 (48%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 12842

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 12842
    Product Specifications
    • Amp Rating: 120
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Bosch
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 56
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244128424
    • Voltage [V]: 9
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $145.79
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 15499

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 15499
    Product Specifications
    • Amps: 105 Amps
    • Clock: 12:00
    • Fan: Internal
    • Manufacturer: Bosch
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $130.44
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 19244746
    OEM GMC Sierra 2500 HD Alternator - 19244746
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 9.5 x 8.5 x 7.1 inches
    • Item Weight: 15.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19151915, 10464453
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $356.18 MSRP: $660.51
    You Save: $304.33 (47%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 22069

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 22069
    Product Specifications
    • Amp Rating: 150
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Nippondenso
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 59
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 9
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $200.05
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 84143542
    OEM GMC Sierra 2500 HD Alternator - 84143542
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 14.3 x 13.1 x 10.4 inches
    • Item Weight: 12.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23487088, 22747894
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $249.30 MSRP: $470.40
    You Save: $221.10 (48%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 12629

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 12629
    Product Specifications
    • Amperage Rating: 160 Amp
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • One Wire Capable: No
    • Plug Clock Rear View Main Mounting Ear at 6 O Clock: 10
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 57.0 mm
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage: 12 Volt
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $122.03
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 14020

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 14020
    Product Specifications
    • Amps: 220 Amps
    • Clock: 9:30
    • Fan: Internal
    • Manufacturer: Nippondenso
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $237.89
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 19244731
    OEM GMC Sierra 2500 HD Alternator - 19244731
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 9.4 x 7.9 x 7.5 inches
    • Item Weight: 18.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10464481, 19151898
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $282.20 MSRP: $511.62
    You Save: $229.42 (45%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 12792

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 12792
    Product Specifications
    • Amperage Rating: 105 Amp
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • One Wire Capable: No
    • Plug Clock Rear View Main Mounting Ear at 6 O Clock: 8
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 56.4 mm
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage: 12 Volt
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $112.43
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 11234

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 11234
    Product Specifications
    • Amps: 125 Amps
    • Clock: 12:00
    • Fan: Internal
    • Manufacturer: Bosch
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $128.47
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 15128978
    OEM GMC Sierra 2500 HD Alternator - 15128978
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 10.6 x 9.1 x 8.7 inches
    • Item Weight: 14.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10371020
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $315.28 MSRP: $593.70
    You Save: $278.42 (47%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 22050

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 22050
    Product Specifications
    • Amp Rating: 145
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 58
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $122.59
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 14007

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 14007
    Product Specifications
    • Amps: 150 Amps
    • Clock: 1:00
    • Fan: Internal
    • Manufacturer: Nippondenso
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • UPC: 029175952167
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $200.32
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 19244751
    OEM GMC Sierra 2500 HD Alternator - 19244751
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 9.2 x 8.0 x 7.4 inches
    • Item Weight: 16.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20989650, 22781130, 19151921, 10464476, 15200109, 15263859
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $331.66 MSRP: $614.91
    You Save: $283.25 (47%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 22054

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 22054
    Product Specifications
    • Amp Rating: 145
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 57
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244220548
    • Voltage [V]: 12
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $110.52
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 10255

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 10255
    Product Specifications
    • Amps: 150 Amps
    • Clock: 9:00
    • Fan: Internal
    • Manufacturer: Nippondenso
    • Pulley: 6 Groove Serpentine Clutch Pulley
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $221.74
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 22817848
    OEM GMC Sierra 2500 HD Alternator - 22817848
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 10.3 x 9.0 x 8.7 inches
    • Item Weight: 14.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20911204, 22781128, 15204278
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $285.32 MSRP: $522.68
    You Save: $237.36 (46%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 22015

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 22015
    Product Specifications
    • Amp Rating: 145
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 56
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $98.24
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 8237603

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 8237603
    Product Specifications
    • Amps: 130 Amps
    • Clock: 3:00
    • Fan: Internal
    • Manufacturer: Delco
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $65.68
  • OEM (Genuine) GMC Sierra 2500 HD Alternator

    PartNumber: 22781131
    OEM GMC Sierra 2500 HD Alternator - 22781131
    Product Specifications
    • Other Names: Alternator
    • Item Dimensions: 9.5 x 8.2 x 7.8 inches
    • Item Weight: 16.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 94665137, 15222341, 15124532, 15226003, 15222342, 20989651, 15847291, 19118686
    • Part Description: GMC Sierra 2500 HD Alternator
    More Info
    $261.94 MSRP: $549.15
    You Save: $287.21 (53%)
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 20092

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 20092
    Product Specifications
    • Amp Rating: 145
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 57
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • Voltage [V]: 12
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $99.04
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 8247603

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 8247603
    Product Specifications
    • Amps: 105 Amps
    • Clock: 11:30
    • Fan: Internal
    • Manufacturer: Delco
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $53.09
  • Remy Remanufactured Alternator for GMC Sierra 2500 HD - 22021

    Remy® Remanufactured Alternator for GMC Sierra 2500 HD

    PartNumber: 22021
    Product Specifications
    • Amp Rating: 145
    • Fan Type: Internal
    • New or Remanufactured: Remanufactured
    • OE Manufacturer: Delco/Delphi
    • OE Part Number: 15857609
    • One Wire Capable: NO
    • Pulley Belt Type: Serpentine
    • Pulley Groove Quantity: 6
    • Pulley Included: Yes
    • Pulley Outside Diameter: 62
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244220210
    • Voltage [V]: 10
    • Part Description: GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    $98.24
  • Quality-Built Alternator Remanufactured for GMC Sierra 2500 HD - 11075

    Quality-Built® Alternator Remanufactured for GMC Sierra 2500 HD

    PartNumber: 11075
    Product Specifications
    • Amps: 160 Amps
    • Clock: 11:30
    • Fan: Internal
    • Manufacturer: Bosch
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    $119.19
1-30 of 71 Results
< Previous
123
Next >