Chevrolet Silverado 3500 HD Alternators
We stock Genuine OEM Chevrolet Alternators for your Chevrolet Silverado 3500 HD. OEM alternators play a critical role in your vehicle's electrical system, generating power to keep your battery charged and ensuring that all electrical components are functioning properly. They are designed to fit your vehicle's specifications, ensuring optimal performance and compatibility. Choosing OEM alternators over aftermarket options ensures that you are getting a product that is manufactured to the highest quality standards, providing greater reliability, durability, and long-term savings. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.
Engine Wiring Harness
GM
84742284
6.6L diesel, with dual alternators, 4wd. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$491.96
MSRP $794.73
Save $302.77
38.1% Off 
Multi-Purpose Bolt
GM
11546410
Primary, 6.6L diesel. 2.5L. 6.6L DIESEL. without dual alternators. This GM Genuine Part is designed, engineered, and tested to rigorous...
$3.93
MSRP $4.62
Save $0.69
14.9% Off 
OEM NEW 2017-2021 GM GMC Sierra Accessory Drive Belt Tensioner Assembly 12673657
GM
12673657
Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Main. Silverado, Sierra 3500 HD. 6.6L diesel, with dual generators, serpentine belt....
$69.69
MSRP $111.65
Save $41.96
37.6% Off 
OEM NEW 2007-15 GM Chevrolet Sierra Serpentine Belt w/ Dual Alternators 12649154
GM
12649154
Silverado, sierra. 6.6l. Dual alternators. 6.6L diesel, with dual alternator, 150/150 amp. Allows for the operation of various pulleys,...
$76.14
MSRP $139.05
Save $62.91
45.2% Off 
Alternator
GM
88877217
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$133.58
MSRP $245.09
Save $111.51
45.5% Off 
Alternator
GM
19298430
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$221.03
MSRP $407.06
Save $186.03
45.7% Off 
Alternator
GM
88877229
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$144.35
MSRP $264.87
Save $120.52
45.5% Off 
Alternator
GM
88877239
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$132.33
MSRP $242.79
Save $110.46
45.5% Off 
Alternator
GM
88878263
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$187.77
MSRP $343.90
Save $156.13
45.4% Off 
Alternator
GM
19298371
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$162.40
MSRP $297.99
Save $135.59
45.5% Off 
Alternator
GM
88877232
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$144.35
MSRP $264.87
Save $120.52
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