OEM GM Alternators

22821447 - : Alternator Wiring Harness for GM Image

Alternator Wiring Harness

2.4L. 3.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$150.24
MSRP $219.63
Save $69.39
31.6% Off
93740745 - : Alternator Pulley Nut for GM Image

Alternator Pulley Nut

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$2.70
MSRP $3.51
Save $0.81
23.1% Off
11611266 - : M10x1.5x192 Alternator Bolt for GM Image

M10x1.5x192 Alternator Bolt

4.3L, m10x192. 4.3L, 2018-20, long. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$0.89
MSRP $1.16
Save $0.27
23.3% Off
12613817 - : Alternator Control Module for GM Image

Alternator Control Module

Vue Hybrid. Power electronics module. This part requires programming and/or special setup procedures GM Service Information describes...
$1,018.70
11589321 - : Alternator Bracket Bolt for GM Image

Alternator Bracket Bolt

2017-21 3.6L. #3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$3.86
MSRP $5.01
Save $1.15
23% Off
11548514 - : M8x1.25x117 Alternator Bolt for GM Image

M8x1.25x117 Alternator Bolt

With eassist. #3. 5.3L, with eassist. M8x117. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$3.62
MSRP $4.68
Save $1.06
22.6% Off
20943125 - : Alternator Battery Jumper Cable for GM Image

Alternator Battery Jumper Cable

, jumper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$41.70
MSRP $64.16
Save $22.46
35% Off
15306329 - : 2-Way Female Alternator Pigtail for GM Image

2-Way Female Alternator Pigtail

Protective outer coverings help provide long-lasting durability Color-coded wires allow for easy installation
$35.35
MSRP $54.38
Save $19.03
35% Off
42479901 - : Alternator Wiring Harness Bracket for GM Image

Alternator Wiring Harness Bracket

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.16
MSRP $5.40
Save $1.24
23% Off
84655061 - : Alternator Battery Jumper Cable for GM Image

Alternator Battery Jumper Cable

Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. With auxiliary battery, with dual alternator, alternator jumper, 6.6L gas. This GM...
$61.95
MSRP $95.30
Save $33.35
35% Off
84511235 - : Alternator Battery Jumper Cable for GM Image

Alternator Battery Jumper Cable

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$61.71
MSRP $94.94
Save $33.23
35% Off
84048978 - : Alternator Battery Jumper Cable for GM Image

Alternator Battery Jumper Cable

CT6. Generator/battery jumper. 3.6l. With labeled 84048978. This GM Genuine Part is designed, engineered, and tested to rigorous...
$65.38
MSRP $104.61
Save $39.23
37.5% Off

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The engine alternator plays a vital role in a car's power capability and battery charging performance.

What Does a Car Alternator Do?

It is responsible for converting mechanical energy from the engine into electrical energy, which powers various electrical components and systems in the vehicle while also charging the battery. Without a properly functioning alternator, the battery would quickly drain, resulting in a loss of power to essential systems.

In addition to charging the battery, the alternator also powers other electrical parts and components in the car. This includes the lights, radio, power windows, air conditioning, and various sensors and controls. The alternator ensures that these systems receive a steady supply of electrical power, allowing them to function properly.

Alternator Failure Warning Signs

When an alternator begins to fail, there are several warning signs to look out for. One common symptom is a warning light on the dashboard, usually shaped like a battery or "ALT," indicating an issue with the charging system. Dimming or flickering headlights, along with other electrical components behaving erratically, can also indicate a failing alternator.

Additionally, a dead or weak battery, even after it has been recently replaced, may suggest a problem with the alternator. Strange noises, such as grinding or whining sounds coming from the engine area, can also be a sign of alternator trouble. If you suspect that your car's alternator is showing signs of failure, it's important to address the issue promptly to avoid being stranded with a dead battery.

Save Cash on Genuine Alternator Parts Online

With the convenience of shopping from your smartphone or home PC, you can find the right alternator fit for your model trim and enjoy savings of up to 35% off the manufacturer's suggested retail price. Don't compromise on quality or risk unreliable aftermarket options. Visit our online store today to find the genuine alternator parts you need and restore the power and charging performance of your car. Need assistance? Let us know by reaching out to a professional through our contact page.