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Replacement and OEM Parts for 2012 GMC Sierra 3500 HD Alternator

2012 GMC Sierra 3500 HD Alternator

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2012 GMC Sierra 3500 HD
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Alternators, Batteries & Starters
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11 Products found

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  • Denso Remanufactured Alternator for 2012 GMC Sierra 3500 HD - 210-5381

    Denso® Remanufactured Alternator for 2012 GMC Sierra 3500 HD

    PartNumber: 210-5381
    Product Specifications
    • Notes: 160 Amp; Delco Unit; w/156mm (6 1/8") dia Case; 1st Time Fit
    • 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: 2012 GMC Sierra 3500 HD Remanufactured Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    $143.52
  • TYC Alternator for 2012 GMC Sierra 3500 HD - 2-08301

    TYC® Alternator for 2012 GMC Sierra 3500 HD

    PartNumber: 2-08301
    Product Specifications
    • Notes: Reg Position: Int; Fan Position: Int; Pwr Generation (Amps): 160A
    • 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: 2012 GMC Sierra 3500 HD Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    $137.84
  • Remy Remanufactured Alternator for 2012 GMC Sierra 3500 HD - 12842

    Remy® Remanufactured Alternator for 2012 GMC Sierra 3500 HD

    PartNumber: 12842
    Product Specifications
    • Notes: w/Bosch Alt; 120 Amps;w/Single Alt System; 120 Amps;w/Dual Alt System; 120 Amps
    • 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: 2012 GMC Sierra 3500 HD Remanufactured Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
    $145.79
  • Quality-Built Alternator Remanufactured for 2012 GMC Sierra 3500 HD - 11234

    Quality-Built® Alternator Remanufactured for 2012 GMC Sierra 3500 HD

    PartNumber: 11234
    Product Specifications
    • Notes: w/Bosch 125 amp alt.
    • Amps: 125 Amps
    • Clock: 12:00
    • Fan: Internal
    • Manufacturer: Bosch
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • Volts: 12 Volts
    • Part Description: 2012 GMC Sierra 3500 HD Alternator Remanufactured
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.6L
    $128.47
  • OEM 2012 GMC Sierra 3500 HD Alternator Diagram - 20881337
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 3500 HD Alternator

    PartNumber: 20881337
    OEM 2012 GMC Sierra 3500 HD Alternator - 20881337
    Product Specifications
    • Notes: 4.8, 5.3, 6.0 & 6.2 Liter, 145 Amp; Silverado, Sierra; W/O Diesel; 145 Amp
    • 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: 2012 GMC Sierra 3500 HD Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $260.54 MSRP: $491.60
    You Save: $231.06 (48%)
  • Remy Alternator for 2012 GMC Sierra 3500 HD - 91614

    Remy® Alternator for 2012 GMC Sierra 3500 HD

    PartNumber: 91614
    Product Specifications
    • Notes: w/Remy Alt; 160 Amps
    • Amp Rating: 160
    • Fan Type: Internal
    • New or Remanufactured: New
    • OE Manufacturer: Delco/Delphi
    • 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
    • Voltage [V]: 12
    • Part Description: 2012 GMC Sierra 3500 HD Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    $176.14
  • Quality-Built Alternator Remanufactured for 2012 GMC Sierra 3500 HD - 15732

    Quality-Built® Alternator Remanufactured for 2012 GMC Sierra 3500 HD

    PartNumber: 15732
    Product Specifications
    • Notes: w/Delco 160 amp alt.
    • Amps: 160 Amps
    • Clock: 3:00
    • Fan: Internal
    • Manufacturer: Delco
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • UPC: 029175012434
    • Volts: 12 Volts
    • Part Description: 2012 GMC Sierra 3500 HD Alternator Remanufactured
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    $96.03
  • OEM 2012 GMC Sierra 3500 HD Alternator Diagram - 22817848
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 3500 HD Alternator

    PartNumber: 22817848
    OEM 2012 GMC Sierra 3500 HD Alternator - 22817848
    Product Specifications
    • Notes: Silverado, Sierra; W/Diesel;Silverado, Sierra; W/O Diesel; 125 Amp; 6.0 Liter, 125 Amp; 6.6 Liter Diesel
    • Location: Driver Side; Passenger Side
    • 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: 2012 GMC Sierra 3500 HD Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $285.32 MSRP: $522.68
    You Save: $237.36 (46%)
  • Quality-Built Alternator New for 2012 GMC Sierra 3500 HD - 15732N

    Quality-Built® Alternator New for 2012 GMC Sierra 3500 HD

    PartNumber: 15732N
    Product Specifications
    • Notes: w/Delco 160 amp alt.
    • Amps: 160 Amps
    • Fan: Internal
    • Manufacturer: Delco
    • Pulley: 6 Groove Serpentine
    • Regulator: Internal
    • Rotation: Clockwise
    • UPC: 029175090319
    • Volts: 12 Volts
    • Part Description: 2012 GMC Sierra 3500 HD Alternator New
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    $185.54
  • Remy Remanufactured Alternator for 2012 GMC Sierra 3500 HD - 20091

    Remy® Remanufactured Alternator for 2012 GMC Sierra 3500 HD

    PartNumber: 20091
    Product Specifications
    • Notes: w/Remy Alt; 160 Amps
    • Amp Rating: 160
    • 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: 61
    • Regulator Type: Internal
    • Rotation Direction: Clockwise
    • UPC: 090244053597
    • Voltage [V]: 11
    • Part Description: 2012 GMC Sierra 3500 HD Remanufactured Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | All Trims | 8 Cyl 6.0L
    $111.03
  • OEM 2012 GMC Sierra 3500 HD Alternator Diagram - 25877026
    View Related Parts

    OEM (Genuine) 2012 GMC Sierra 3500 HD Alternator

    PartNumber: 25877026
    OEM 2012 GMC Sierra 3500 HD Alternator - 25877026
    Product Specifications
    • Notes: 4.8, 5.3, 6.0 & 6.2 Liter, 160 Amp; 6.0 Liter, 160 Amp; Silverado, Sierra; W/O Diesel; 160 Amp
    • Other Names: Alternator
    • Item Dimensions: 9.4 x 8.2 x 7.8 inches
    • Item Weight: 19.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15905871, 15857608
    • Part Description: 2012 GMC Sierra 3500 HD Alternator
    More Info
    Vehicle Fitment
    • 2012 GMC Sierra 3500 HD | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS