Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
JOIN GEARS TO SAVE 5%
Shop All Brands
Shopping for

2018 GMC Sierra 2500 HD

X
  2. Auto Parts
  3. Charging and Starting
  4. Alternator / Generator and Related Components
  5. Alternator for 2018 GMC Sierra 2500 HD

2018 GMC Sierra 2500 HD: Alternator


Displaying 1 to 12 (of 12 products)

ACDelco 84143539 Alternator
for 2018 GMC Sierra 2500 HD

ACDelco
On Sale:

$422.38
Avail:
10 in Stock
Warehouse: US-12
Qty:
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
CONN USE 13585849
220 AMP GEN(KW5)
215 AMP)(STEEL PULLEY
Eng: L96
8th VIN Digit: G
 
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV CONN USE 13585849
220 AMP GEN(KW5)
215 AMP)(STEEL PULLEY
Eng: L96
8th VIN Digit: G

1 Per Vehicle

ACDelco 84143543 Alternator
for 2018 GMC Sierra 2500 HD

ACDelco
On Sale:

$340.73
Avail:
12 in Stock
Warehouse: US-12
Qty:
View Product
EnginePer VehiclePositionFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 		 
LABELED 84143543
DECOUPLED PULLEY
150 AMP GEN(KG4)
150 AMP -DECOUPLED PULLEY)(USE CONN 13585849 IF NEEDED
Eng: L5P
8th VIN Digit: Y
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo LABELED 84143543
DECOUPLED PULLEY
150 AMP GEN(KG4)
150 AMP -DECOUPLED PULLEY)(USE CONN 13585849 IF NEEDED
Eng: L5P
8th VIN Digit: Y

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Auxiliary
 
LABELED 84143543
DECOUPLED PULLEY
150 AMP -DECOUPLED PULLEY)(USE CONN 13585849 IF NEEDED
150 AMP AND 220 AMP DUAL GENERATOR(KHB)
Eng: L5P
8th VIN Digit: Y
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
Auxiliary LABELED 84143543
DECOUPLED PULLEY
150 AMP -DECOUPLED PULLEY)(USE CONN 13585849 IF NEEDED
150 AMP AND 220 AMP DUAL GENERATOR(KHB)
Eng: L5P
8th VIN Digit: Y

1 Per Vehicle

ACDelco 84143541 Alternator
for 2018 GMC Sierra 2500 HD

ACDelco
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
220 AMP
150 AMP AND 220 AMP DUAL GENERATOR(KHB),220 AMP GEN(KW5)
Eng: L5P
8th VIN Digit: Y
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo 220 AMP
150 AMP AND 220 AMP DUAL GENERATOR(KHB),220 AMP GEN(KW5)
Eng: L5P
8th VIN Digit: Y

1 Per Vehicle

ACDelco 84143542 Alternator
for 2018 GMC Sierra 2500 HD

ACDelco
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
LABELED 84143542
150 AMP-STEEL PULLEY)(USE CONN 13585849 2-WAY FEMALE
150 AMP-STEEL PULLEY
150 AMP GEN(KG4)
Eng: L96
8th VIN Digit: G
 
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV LABELED 84143542
150 AMP-STEEL PULLEY)(USE CONN 13585849 2-WAY FEMALE
150 AMP-STEEL PULLEY
150 AMP GEN(KG4)
Eng: L96
8th VIN Digit: G

1 Per Vehicle

Bosch AL8881X Alternator
for 2018 GMC Sierra 2500 HD

Bosch
Core: See Value In Cart
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Alternator (Remanufactured)
Located on Bottom
To 150 Amp Alternator
with Dual Alternators
4WD
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Alternator (Remanufactured)
Located on Bottom
To 150 Amp Alternator
with Dual Alternators
4WD

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Alternator (Remanufactured)
To 150 Amp Alternator
with Single Alternator
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Alternator (Remanufactured)
To 150 Amp Alternator
with Single Alternator

1 Per Vehicle

TYC 2-11785 Alternator
for 2018 GMC Sierra 2500 HD

TYC
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Power Generation (Amps): 150A
Dual Alternator
Crew Cab Pickup
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Power Generation (Amps): 150A
Dual Alternator
Crew Cab Pickup

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Power Generation (Amps): 150A
Dual Alternator
Extended Cab Pickup
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Power Generation (Amps): 150A
Dual Alternator
Extended Cab Pickup

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Power Generation (Amps): 150A
Dual Alternator
Standard Cab Pickup
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Power Generation (Amps): 150A
Dual Alternator
Standard Cab Pickup

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Single Alternator
Crew Cab Pickup
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Single Alternator
Crew Cab Pickup

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Single Alternator
Extended Cab Pickup
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Single Alternator
Extended Cab Pickup

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Single Alternator
Standard Cab Pickup
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Single Alternator
Standard Cab Pickup

1 Per Vehicle

Valeo 849132 Alternator
for 2018 GMC Sierra 2500 HD

Valeo
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Alternator
145 AMP
Pulley Diameter 61.6
145 AMP
Pulley Diameter 61.6
 
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV Alternator
145 AMP
Pulley Diameter 61.6
145 AMP
Pulley Diameter 61.6

1 Per Vehicle

Valeo 849152 Alternator
for 2018 GMC Sierra 2500 HD

Valeo
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Alternator
150 AMP
w/ Standard Pulley
150 AMP
w/ Standard Pulley
Eng Ver: Vortec
 
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV Alternator
150 AMP
w/ Standard Pulley
150 AMP
w/ Standard Pulley
Eng Ver: Vortec

1 Per Vehicle

Valeo 849189 Alternator
for 2018 GMC Sierra 2500 HD

Valeo
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Alternator
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Alternator

1 Per Vehicle

WAI Global 14007N Alternator
for 2018 GMC Sierra 2500 HD

Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Denso IR/IF, 150 Amp, SD6 Pulley
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV,
6.0L V8 Flex OHV Denso IR/IF, 150 Amp, SD6 Pulley

1 Per Vehicle

Motor Car Parts of America 10255 Alternator
for 2018 GMC Sierra 2500 HD

Motor Car Parts of America
Core: See Value In Cart
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Remanufactured
Dual Alt. System, w/ 150 amp alt.
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Remanufactured
Dual Alt. System, w/ 150 amp alt.

1 Per Vehicle
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
Remanufactured
Single Alt. System
 
2018 GMC Sierra 2500 HD equipped with
6.6L V8 Diesel OHV Turbo Remanufactured
Single Alt. System

1 Per Vehicle

Motor Car Parts of America 14007 Alternator
for 2018 GMC Sierra 2500 HD

Core: See Value In Cart
Avail:
0 in Stock
 OUT OF STOCK
View Product
EnginePer VehicleFit NotesFitment Notes
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV
 
1
 
Remanufactured
w/ 150 amp alt.
 
2018 GMC Sierra 2500 HD equipped with
6.0L V8 Gas OHV,
6.0L V8 Flex OHV Remanufactured
w/ 150 amp alt.

1 Per Vehicle
Displaying 1 to 12 (of 12 products)