OEM GM Alternators

12577652 - : Water Pump and Alternator Belt Tensioner for GM Image

Water Pump and Alternator Belt Tensioner

Alternator belt. 3.6 & 2.8L, serpentine belt. Water pump & alternator. CTS. 3.0L, 3.6L, 2008-09, serpentine belt. Helps keep drive belt...
$122.69
MSRP $172.19
Save $49.50
28.7% Off
12681536 - : Alternator and Drive Belt Tensioner Bracket for GM Image

Alternator and Drive Belt Tensioner Bracket

2017-21 3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$48.30
MSRP $65.16
Save $16.86
25.9% Off
11548577 - : M5x0.8x47.8 Alternator Control Module Cable Bolt for GM Image

M5x0.8x47.8 Alternator Control Module Cable Bolt

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.83
MSRP $10.12
Save $3.29
32.5% Off
12578067 - : Alternator and Power Steering Pump Bracket for GM Image

Alternator and Power Steering Pump Bracket

Without supercharged. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$123.84
MSRP $173.41
Save $49.57
28.6% Off
25196027 - : Water Pump and Alternator Belt Tensioner for GM Image

Water Pump and Alternator Belt Tensioner

Without ev. Spark. 2nd Design. Incl.Bracket. Helps keep drive belt at correct tension to help maintain proper function This GM Genuine...
$67.81
MSRP $95.16
Save $27.35
28.7% Off
22870391 - : Medium Dark Cashmere Alternator Battery Cover for GM Image

Medium Dark Cashmere Alternator Battery Cover

Energy storage module, cashmere. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$92.36
12652395 - : Alternator and Power Steering Pump Bracket for GM Image

Alternator and Power Steering Pump Bracket

Auxiliary, 6.6L gas. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$72.55
MSRP $101.83
Save $29.28
28.8% Off
19317773 - : Engine Wiring Harness Alternator Lead Nut for GM Image

Engine Wiring Harness Alternator Lead Nut

Upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$0.55
MSRP $0.72
Save $0.17
23.6% Off
12700902 - : Alternator and Drive Belt Tensioner Bracket for GM Image

Alternator and Drive Belt Tensioner Bracket

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$46.92
MSRP $63.32
Save $16.40
25.9% Off
24282789 - : Alternator Battery Control Wiring Junction Block for GM Image

Alternator Battery Control Wiring Junction Block

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$37.17
MSRP $50.17
Save $13.00
25.9% Off
12692949 - : Alternator and Drive Belt Tensioner Bracket for GM Image

Alternator and Drive Belt Tensioner Bracket

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$69.31
MSRP $97.29
Save $27.98
28.8% Off
93181720 - : Alternator and Air Conditioning Compressor Belt for GM Image

Alternator and Air Conditioning Compressor Belt

Catera. Allows for the operation of various pulleys, and drive belt accessories, with the use of a single belt Creates a secure point of...
$57.17
MSRP $87.96
Save $30.79
35% 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.