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 ×
My Vehicle Change Vehicle
2018 GMC Sierra 2500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Alternators, Batteries & Starters
  • Department
  • Pulley Belt Type
  • Voltage
  • Brands
  • Prices

9 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2018 GMC Sierra 2500 HD Alternator

    PartNumber: 84143543
    OEM 2018 GMC Sierra 2500 HD Alternator - 84143543
    Product Specifications
    • Notes: Silverado, Sierra; W/Diesel; 150 Amp; Dual;Silverado, Sierra; W/Diesel; 150 Amp; Single; 6.6 Liter Diesel, 150 Amp
    • 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: 2018 GMC Sierra 2500 HD Alternator
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $322.71 MSRP: $563.79
    You Save: $241.08 (43%)
  • Remy Remanufactured Alternator for 2018 GMC Sierra 2500 HD - 22065

    Remy® Remanufactured Alternator for 2018 GMC Sierra 2500 HD

    PartNumber: 22065
    Product Specifications
    • Notes: 150 Amps
    • 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: 2018 GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $221.64
  • Quality-Built Alternator Remanufactured for 2018 GMC Sierra 2500 HD - 14007

    Quality-Built® Alternator Remanufactured for 2018 GMC Sierra 2500 HD

    PartNumber: 14007
    Product Specifications
    • Notes: w/150 amp alt.
    • 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: 2018 GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $200.32
  • OEM (Genuine) 2018 GMC Sierra 2500 HD Alternator

    PartNumber: 84143542
    OEM 2018 GMC Sierra 2500 HD Alternator - 84143542
    Product Specifications
    • Notes: 6.0 Liter, 150 Amp; Silverado, Sierra; W/O Diesel; 150 Amp
    • 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: 2018 GMC Sierra 2500 HD Alternator
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $256.03 MSRP: $483.10
    You Save: $227.07 (48%)
  • Remy Remanufactured Alternator for 2018 GMC Sierra 2500 HD - 22069

    Remy® Remanufactured Alternator for 2018 GMC Sierra 2500 HD

    PartNumber: 22069
    Product Specifications
    • Notes: 150 Amps
    • 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: 2018 GMC Sierra 2500 HD Remanufactured Alternator
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $200.05
  • Quality-Built Alternator Remanufactured for 2018 GMC Sierra 2500 HD - 10255

    Quality-Built® Alternator Remanufactured for 2018 GMC Sierra 2500 HD

    PartNumber: 10255
    Product Specifications
    • Notes: Dual Alt. System, w/150 amp alt.;Single Alt. System
    • 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: 2018 GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $221.74
  • OEM (Genuine) 2018 GMC Sierra 2500 HD Alternator

    PartNumber: 84143539
    OEM 2018 GMC Sierra 2500 HD Alternator - 84143539
    Product Specifications
    • Notes: 6.0 Liter, 220 Amp; Silverado, Sierra; W/O Diesel; 215 Amp
    • Other Names: Alternator
    • Item Dimensions: 9.5 x 8.2 x 8.2 inches
    • Item Weight: 17.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 22949466
    • Part Description: 2018 GMC Sierra 2500 HD Alternator
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $400.13 MSRP: $754.98
    You Save: $354.85 (48%)
  • OEM (Genuine) 2018 GMC Sierra 2500 HD Alternator

    PartNumber: 84143541
    OEM 2018 GMC Sierra 2500 HD Alternator - 84143541
    Product Specifications
    • Notes: Silverado, Sierra; W/Diesel; 220 Amp; Dual;Silverado, Sierra; W/Diesel; 220 Amp; Single; 6.6 Liter Diesel, 220 Amp
    • Other Names: Alternator
    • Item Dimensions: 9.4 x 8.5 x 8.1 inches
    • Item Weight: 17.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23298275
    • Part Description: 2018 GMC Sierra 2500 HD Alternator
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $349.90 MSRP: $658.90
    You Save: $309.00 (47%)
  • Quality-Built Alternator Remanufactured for 2018 GMC Sierra 2500 HD - 10353

    Quality-Built® Alternator Remanufactured for 2018 GMC Sierra 2500 HD

    PartNumber: 10353
    Product Specifications
    • Notes: Dual Alt. System, w/220 amp alt.
    • Amps: 220 Amps
    • Clock: 1:30
    • Fan: Internal
    • Manufacturer: Nippondenso
    • Pulley: 6 Groove Serpentine Decoupling Pulley
    • Regulator: Internal
    • Rotation: Clockwise
    • UPC: 190037262011
    • Volts: 12 Volts
    • Part Description: 2018 GMC Sierra 2500 HD Alternator Remanufactured
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $345.65