Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for GMC Sierra 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 Alternator

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

333 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM GMC Sierra Alternator Diagram - 15128978
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 15128978
    OEM GMC Sierra 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 Alternator
    More Info
    $323.79 MSRP: $609.73
    You Save: $285.94 (47%)
  • OEM GMC Sierra Alternator Diagram - 15128978
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 15128978
    OEM GMC Sierra 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 Alternator
    More Info
    $323.79 MSRP: $609.73
    You Save: $285.94 (47%)
  • OEM GMC Sierra Alternator Diagram - 15128978
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 15128978
    OEM GMC Sierra 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 Alternator
    More Info
    $323.79 MSRP: $609.73
    You Save: $285.94 (47%)
  • OEM GMC Sierra Alternator Diagram - 15128978
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 15128978
    OEM GMC Sierra 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 Alternator
    More Info
    $323.79 MSRP: $609.73
    You Save: $285.94 (47%)
  • OEM GMC Sierra Alternator Diagram - 19244746
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 19244746
    OEM GMC Sierra 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 Alternator
    More Info
    $365.78 MSRP: $678.34
    You Save: $312.56 (47%)
  • OEM GMC Sierra Alternator Diagram - 19244746
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 19244746
    OEM GMC Sierra 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 Alternator
    More Info
    $365.78 MSRP: $678.34
    You Save: $312.56 (47%)
  • OEM GMC Sierra Alternator Diagram - 19244746
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 19244746
    OEM GMC Sierra 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 Alternator
    More Info
    $365.78 MSRP: $678.34
    You Save: $312.56 (47%)
  • OEM GMC Sierra Alternator Diagram - 84143543
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 84143543
    OEM GMC Sierra 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 Alternator
    More Info
    $322.71 MSRP: $563.79
    You Save: $241.08 (43%)
  • OEM GMC Sierra Alternator Diagram - 84143543
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 84143543
    OEM GMC Sierra 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 Alternator
    More Info
    $322.71 MSRP: $563.79
    You Save: $241.08 (43%)
  • OEM GMC Sierra Alternator Diagram - 84143543
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 84143543
    OEM GMC Sierra 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 Alternator
    More Info
    $322.71 MSRP: $563.79
    You Save: $241.08 (43%)
  • OEM GMC Sierra Alternator Diagram - 84143543
    View Related Parts

    OEM (Genuine) GMC Sierra Alternator

    PartNumber: 84143543
    OEM GMC Sierra 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 Alternator
    More Info
    $322.71 MSRP: $563.79
    You Save: $241.08 (43%)
  • Quality-Built Alternator Remanufactured for GMC Sierra - 10255

    Quality-Built® Alternator Remanufactured for GMC Sierra

    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 Alternator Remanufactured
    More Info
    $221.74
  • Remy Remanufactured Alternator for GMC Sierra - 12629

    Remy® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $122.03
  • TYC Alternator for GMC Sierra - 2-08292

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $119.60
  • TYC Alternator for GMC Sierra - 2-08292

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $119.60
  • TYC Alternator for GMC Sierra - 2-08292

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $119.60
  • TYC Alternator for GMC Sierra - 2-08292

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $119.60
  • TYC Alternator for GMC Sierra - 2-08292

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $119.60
  • TYC Alternator for GMC Sierra - 2-08292

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $119.60
  • Denso Remanufactured Alternator for GMC Sierra - 210-5381

    Denso® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $151.32
  • Denso Remanufactured Alternator for GMC Sierra - 210-5381

    Denso® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $151.32
  • Denso Remanufactured Alternator for GMC Sierra - 210-5381

    Denso® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $151.32
  • Quality-Built Alternator Remanufactured for GMC Sierra - 11348

    Quality-Built® Alternator Remanufactured for GMC Sierra

    PartNumber: 11348
    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 Alternator Remanufactured
    More Info
    $115.39
  • Remy Remanufactured Alternator for GMC Sierra - 12629

    Remy® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $122.03
  • Remy Remanufactured Alternator for GMC Sierra - 12629

    Remy® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $122.03
  • Remy Remanufactured Alternator for GMC Sierra - 12629

    Remy® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $122.03
  • Remy Remanufactured Alternator for GMC Sierra - 12792

    Remy® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $112.43
  • Remy Remanufactured Alternator for GMC Sierra - 12792

    Remy® Remanufactured Alternator for GMC Sierra

    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 Remanufactured Alternator
    More Info
    $112.43
  • TYC Alternator for GMC Sierra - 2-08301

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $137.84
  • TYC Alternator for GMC Sierra - 2-08301

    TYC® Alternator for GMC Sierra

    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 Alternator
    More Info
    $137.84
1-30 of 333 Results
< Previous
12345
Next >

Featured Sierra Alternator by Models

Sierra 1500 Sierra 1500 Classic Sierra 1500 HD Sierra 1500 HD Classic Sierra 1500 Limited Sierra 2500 Sierra 2500 HD Sierra 2500 HD Classic Sierra 3500 Sierra 3500 Classic Sierra 3500 HD