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Replacement and OEM Parts for 2018 GMC Sierra 2500 HD Alternators, Batteries & Starters

2018 GMC Sierra 2500 HD Alternators, Batteries & Starters

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66 products about 2018 GMC Sierra 2500 HD Alternators, Batteries & Starters found

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  • OEM 2018 GMC Sierra 2500 HD Alternator Diagram - 84143543
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    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
    $314.23 MSRP: $548.98
    You Save: $234.75 (43%)
  • OEM 2018 GMC Sierra 2500 HD Battery Tray Diagram - 22989633
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Battery Tray

    PartNumber: 22989633
    OEM 2018 GMC Sierra 2500 HD Battery Tray - 22989633
    Product Specifications
    • Notes: 6.0 Liter, Secondary Battery; 6.6 Liter Diesel, Secondary Battery
    • Other Names: Battery Tray
    • Item Dimensions: 2.4 x 12.7 x 11.3 inches
    • Item Weight: 1.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Battery Tray
    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, 8 Cyl 6.6 L DIESEL
    $34.73 MSRP: $55.16
    You Save: $20.43 (38%)
  • OEM 2018 GMC Sierra 2500 HD Reinforce Beam Bolt Diagram - 11519527
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Reinforce Beam Bolt

    PartNumber: 11519527
    OEM 2018 GMC Sierra 2500 HD Reinforce Beam Bolt - 11519527
    Product Specifications
    • Notes: 6.0 Liter, Main Battery; 6.0 Liter, Secondary Battery; 6.6 Liter Diesel, Secondary Battery
    • Item Dimensions: 2.8 x 1.6 x 1.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Reinforce Beam Bolt
    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, 8 Cyl 6.6 L DIESEL
    $4.54 MSRP: $7.20
    You Save: $2.66 (37%)
  • OEM 2018 GMC Sierra 2500 HD Reinforce Beam Bolt Diagram - 11519527
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Reinforce Beam Bolt

    PartNumber: 11519527
    OEM 2018 GMC Sierra 2500 HD Reinforce Beam Bolt - 11519527
    Product Specifications
    • Notes: 6.0 Liter, Main Battery; 6.0 Liter, Secondary Battery; 6.6 Liter Diesel, Secondary Battery
    • Item Dimensions: 2.8 x 1.6 x 1.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Reinforce Beam Bolt
    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, 8 Cyl 6.6 L DIESEL
    $4.54 MSRP: $7.20
    You Save: $2.66 (37%)
  • OEM 2018 GMC Sierra 2500 HD Starter Diagram - 19180527
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Starter

    PartNumber: 19180527
    OEM 2018 GMC Sierra 2500 HD Starter - 19180527
    Product Specifications
    • Notes: 6.0 Liter, Reman
    • Other Names: Starter
    • Item Dimensions: 19.8 x 11.4 x 7.6 inches
    • Item Weight: 9.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Starter
    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
    $186.63 MSRP: $349.65
    You Save: $163.02 (47%)
  • Quality-Built Starter Remanufactured for 2018 GMC Sierra 2500 HD - 6971S

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

    PartNumber: 6971S
    Product Specifications
    • Design: Permanent Magnet Gear Reduction
    • Manufacturer: Delco
    • Power Rating: 1.5 kW
    • Rotation: Clockwise
    • Teeth: 9
    • Volts: 12 V
    • Part Description: 2018 GMC Sierra 2500 HD Starter Remanufactured
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $30.92
  • 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
  • OEM 2018 GMC Sierra 2500 HD Alternator Diagram - 84143542
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    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
    $249.30 MSRP: $470.40
    You Save: $221.10 (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
  • OEM 2018 GMC Sierra 2500 HD Upper Bracket Diagram - 97356246
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Upper Bracket

    PartNumber: 97356246
    OEM 2018 GMC Sierra 2500 HD Upper Bracket - 97356246
    Product Specifications
    • Notes: 6.6 Liter Diesel
    • Location: Driver Side
    • Other Names: Bracket, Support Bracket, Upper Bracket
    • Item Dimensions: 5.9 x 3.3 x 2.1 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 97212348
    • Part Description: 2018 GMC Sierra 2500 HD Upper Bracket
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    $19.98 MSRP: $32.96
    You Save: $12.98 (40%)
  • 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
  • Quality-Built Starter Remanufactured for 2018 GMC Sierra 2500 HD - 16021

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

    PartNumber: 16021
    Product Specifications
    • Design: Offset Gear Reduction
    • Manufacturer: Hitachi
    • Volts: 12 V
    • Part Description: 2018 GMC Sierra 2500 HD Starter Remanufactured
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L
    $164.78
  • OEM 2018 GMC Sierra 2500 HD Starter Asm Diagram - 12670255
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Starter Asm

    PartNumber: 12670255
    OEM 2018 GMC Sierra 2500 HD Starter Asm - 12670255
    Product Specifications
    • Other Names: Starter
    • Item Dimensions: 7.3 x 6.3 x 12.4 inches
    • Item Weight: 12.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12721722
    • Part Description: 2018 GMC Sierra 2500 HD Starter Asm
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
    $197.07 MSRP: $399.90
    You Save: $202.83 (51%)
  • 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 2018 GMC Sierra 2500 HD Starter Diagram - 12637617
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Starter

    PartNumber: 12637617
    OEM 2018 GMC Sierra 2500 HD Starter - 12637617
    Product Specifications
    • Notes: 6.0 Liter, New
    • Other Names: Starter
    • Item Dimensions: 8.5 x 20.6 x 11.7 inches
    • Item Weight: 6.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Starter
    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, 8 Cyl 6.6 L DIESEL
    $137.18 MSRP: $258.83
    You Save: $121.65 (47%)
  • OEM 2018 GMC Sierra 2500 HD Front Brace Diagram - 22829070
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Front Brace

    PartNumber: 22829070
    OEM 2018 GMC Sierra 2500 HD Front Brace - 22829070
    Product Specifications
    • Notes: 6.0 Liter, Main Battery
    • Other Names: Fender Brace, Front Brace, Support, Support Brace
    • Item Dimensions: 9.9 x 6.3 x 2.5 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Front Brace
    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, 8 Cyl 6.6 L DIESEL
    $10.24 MSRP: $16.25
    You Save: $6.01 (37%)
  • OEM 2018 GMC Sierra 2500 HD Bracket Bolt Diagram - 11519387
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Bracket Bolt

    PartNumber: 11519387
    OEM 2018 GMC Sierra 2500 HD Bracket Bolt - 11519387
    Product Specifications
    • Notes: Standard Type, 8x20mm; Receiver Type, 8x20mm
    • Item Dimensions: 1.8 x 1.6 x 1.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Bracket Bolt
    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, 8 Cyl 6.6 L DIESEL
    $4.83 MSRP: $7.65
    You Save: $2.82 (37%)
  • OEM 2018 GMC Sierra 2500 HD Bracket Bolt Diagram - 11519387
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Bracket Bolt

    PartNumber: 11519387
    OEM 2018 GMC Sierra 2500 HD Bracket Bolt - 11519387
    Product Specifications
    • Notes: Standard Type, 8x20mm; Receiver Type, 8x20mm
    • Item Dimensions: 1.8 x 1.6 x 1.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Bracket Bolt
    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, 8 Cyl 6.6 L DIESEL
    $4.83 MSRP: $7.65
    You Save: $2.82 (37%)
  • OEM 2018 GMC Sierra 2500 HD Fuse, 30 A Diagram - 15822417
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Fuse, 30 A

    PartNumber: 15822417
    OEM 2018 GMC Sierra 2500 HD Fuse, 30 A - 15822417
    Product Specifications
    • Other Names: Fuse, Fusible Link, Maxi Fuse
    • Item Dimensions: 1.2 x 1.2 x 0.6 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 22917202
    • Part Description: 2018 GMC Sierra 2500 HD Fuse, 30 A
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
    $4.54 MSRP: $7.19
    You Save: $2.65 (37%)
  • OEM 2018 GMC Sierra 2500 HD Alternator Diagram - 84143539
    View Related Parts

    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
    $389.61 MSRP: $735.14
    You Save: $345.53 (48%)
  • OEM 2018 GMC Sierra 2500 HD Support Diagram - 22829069
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Support

    PartNumber: 22829069
    OEM 2018 GMC Sierra 2500 HD Support - 22829069
    Product Specifications
    • Notes: 6.0 Liter, Secondary Battery; 6.6 Liter Diesel, Secondary Battery
    • Other Names: Support
    • Item Dimensions: 9.5 x 2.3 x 13.5 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Support
    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, 8 Cyl 6.6 L DIESEL
    $45.91 MSRP: $72.91
    You Save: $27.00 (38%)
  • OEM 2018 GMC Sierra 2500 HD Tank Strap Bolt Diagram - 11562133
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Tank Strap Bolt

    PartNumber: 11562133
    OEM 2018 GMC Sierra 2500 HD Tank Strap Bolt - 11562133
    Product Specifications
    • Notes: 6.6 Liter Diesel, Main Battery
    • Item Dimensions: 3.2 x 1.4 x 1.0 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Tank Strap Bolt
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $4.87 MSRP: $7.72
    You Save: $2.85 (37%)
  • OEM 2018 GMC Sierra 2500 HD Tank Strap Bolt Diagram - 11562133
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Tank Strap Bolt

    PartNumber: 11562133
    OEM 2018 GMC Sierra 2500 HD Tank Strap Bolt - 11562133
    Product Specifications
    • Notes: 6.6 Liter Diesel, Main Battery
    • Item Dimensions: 3.2 x 1.4 x 1.0 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Tank Strap Bolt
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $4.87 MSRP: $7.72
    You Save: $2.85 (37%)
  • OEM 2018 GMC Sierra 2500 HD Battery Tray Diagram - 84177367
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Battery Tray

    PartNumber: 84177367
    OEM 2018 GMC Sierra 2500 HD Battery Tray - 84177367
    Product Specifications
    • Notes: 6.0 Liter, Main Battery
    • Other Names: Battery Tray
    • Item Dimensions: 6.0 x 24.8 x 12.4 inches
    • Item Weight: 3.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 22998771, 23327400, 23437385
    • Part Description: 2018 GMC Sierra 2500 HD Battery Tray
    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
    $58.16 MSRP: $96.26
    You Save: $38.10 (40%)
  • OEM 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube Diagram - 11519375
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube

    PartNumber: 11519375
    OEM 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube - 11519375
    Product Specifications
    • Item Dimensions: 1.4 x 1.2 x 0.8 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 11569683
    • Part Description: 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $13.06
  • OEM 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube Diagram - 11519375
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube

    PartNumber: 11519375
    OEM 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube - 11519375
    Product Specifications
    • Item Dimensions: 1.4 x 1.2 x 0.8 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 11569683
    • Part Description: 2018 GMC Sierra 2500 HD Bolt, Oil Level Indicator Tube
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $13.06
  • OEM 2018 GMC Sierra 2500 HD Positive Cable Diagram - 84383334
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Positive Cable

    PartNumber: 84383334
    OEM 2018 GMC Sierra 2500 HD Positive Cable - 84383334
    Product Specifications
    • Notes: 6.0 Liter, Main Battery, W/O Aux Battery; Silverado, Sierra; 6.0l
    • Other Names: Positive Cable
    • Item Dimensions: 3.2 x 14.3 x 13.7 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84043738, 84276394, 84136375
    • Part Description: 2018 GMC Sierra 2500 HD Positive Cable
    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
    $59.91 MSRP: $113.06
    You Save: $53.15 (48%)
  • OEM 2018 GMC Sierra 2500 HD Alternator Diagram - 84143541
    View Related Parts

    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
    $353.55 MSRP: $641.57
    You Save: $288.02 (45%)
  • OEM 2018 GMC Sierra 2500 HD Positive Cable Diagram - 84355666
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Positive Cable

    PartNumber: 84355666
    OEM 2018 GMC Sierra 2500 HD Positive Cable - 84355666
    Product Specifications
    • Notes: 6.0 Liter, Secondary Battery
    • Other Names: Positive Cable
    • Item Dimensions: 5.2 x 19.8 x 12.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84276395
    • Part Description: 2018 GMC Sierra 2500 HD Positive Cable
    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
    $134.85 MSRP: $254.46
    You Save: $119.61 (48%)
  • OEM 2018 GMC Sierra 2500 HD Positive Cable Diagram - 84407042
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Positive Cable

    PartNumber: 84407042
    OEM 2018 GMC Sierra 2500 HD Positive Cable - 84407042
    Product Specifications
    • Notes: Silverado, Sierra; 6.6l; 6.6 Liter Diesel, Main Battery; 6.6 Liter Diesel, Secondary Battery, All
    • Other Names: Positive Cable
    • Item Dimensions: 4.1 x 17.9 x 16.3 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23386298, 84172896
    • Part Description: 2018 GMC Sierra 2500 HD Positive Cable
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $132.36 MSRP: $249.76
    You Save: $117.40 (48%)
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