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12_cd4a3304-0d67-4858-befc-58d150082772 - Northline Parts

Alternator 220A for GMC Sierra Chevy Silverado 2500 HD 2015-2019 Suburban 3500HD

Alligator_819_x_200_px - Northline Parts

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$256.79
Sale price  $256.79 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Alternator 220A for GMC Sierra Chevy Silverado 2500 HD 2015-2019 Suburban 3500HD

Upgrade your vehicle's charging system with this heavy-duty 220A aftermarket alternator. Engineered to provide reliable power for your GMC or Chevrolet truck, this unit is a robust replacement for the original part, ensuring your electrical components operate at peak performance even under heavy loads. Whether you're towing, hauling, or running high-power accessories, this aftermarket solution delivers the consistency you need.

Key Features & Benefits

  • High-output 220 Amp capacity for demanding electrical systems.
  • Quality aftermarket construction designed for durability and longevity.
  • Direct fitment for a hassle-free installation process.
  • Built to meet high performance standards for heavy-duty applications.
  • Cost-effective alternative to expensive dealership parts.

Compatible Models

  • 2015-2019 GMC Sierra 2500 HD
  • 2015-2019 GMC Sierra 3500 HD
  • 2015-2019 Chevrolet Silverado 2500 HD
  • 2015-2019 Chevrolet Silverado 3500 HD
  • 2015-2019 Chevrolet Suburban 3500 HD

Product Specifications

  • Amperage: 220 Amps
  • Voltage: 12V
  • Part Type: Alternator
  • Part Status: Aftermarket Replacement
  • Condition: New

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket replacement part. It is designed to function as a direct replacement for the original equipment without being manufactured by the original brand.

How do I confirm compatibility?
To ensure a perfect fit, please check the "Compatible Models" list above and compare the 220A specification with your current alternator. You may also cross-reference the fitment with your vehicle's year, make, and model.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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