1. Alternators For Sale
  2. sku: 17454900275339631
  3. TECH 8301N390A

A-TECH 8301N390A High Alternator 390AMP

fits model: H2, Yukon, Tahoe. make: Chevy, Gmc, Cadillac, Hummer.

8301n390a A-tech 390amp High Output Alternator For Chevy Gmc Yukon Tahoe Cadillac Hummer H2

( Brand: A-tech ), ( Manufacturer Part Number: 8301N390A ), ( Type: Alternator ), ( Manufacturer Warranty: 6 Months ), ( Oe/oem Part Number: 8301 8302 15093928, 15857608, 15905871, 25877026 ), ( Voltage: 12 V )

Review A TECH 390amp High Output Alternator Chevy Gmc Cadillac Hummer fits YUKON TAHOE H2

The A-TECH 8301N390A is a high-performance alternator specifically designed for applications in Chevy Yukon, Tahoe, GMC, Cadillac, and Hummer H2 vehicles with a 390-amp electrical system. This alternator is an excellent upgrade for those seeking to power heavy-duty accessories or high-wattage electrical systems.

This alternator boasts a robust 390-ampere output capacity, which is significantly higher than the standard factory alternator. The high output ensures that your vehicle's electrical needs are met efficiently, even under heavy load conditions. The alternator is engineered to provide reliable and consistent power to your vehicle's electrical systems, including the air conditioning, power windows, and other accessories.

The A-TECH 8301N390A alternator features a durable and robust design, with a cast aluminum housing and a heavy-duty diode rectifier. The housing is designed to dissipate heat efficiently, ensuring that the alternator operates at optimal temperatures. The diode rectifier is responsible for converting the alternating current (AC) generated by the alternator into direct current (DC) that can be used by the vehicle's electrical systems. The high-quality diodes in this alternator ensure that no voltage is lost during the conversion process.

The alternator comes with a 6-rib serpentine belt pulley design, which is compatible with most belt drive systems found in these vehicles. The pulley design ensures that the alternator operates in sync with other accessories, such as the air conditioning compressor and power steering pump, reducing the need for additional belt changes.

The A-TECH 8301N390A alternator is easy to install, with a bolt-on design that requires no additional modifications to the vehicle's wiring harness or electrical systems. The alternator comes with all necessary hardware for installation, including mounting brackets and bolts. The alternator also comes with a detailed installation guide to make the process as smooth as possible.

This alternator is built to last, with a long service life and excellent reliability. The alternator is backed by a comprehensive 3-year/36,000-mile warranty, which covers defects in materials and workmanship. This warranty gives you peace of mind, knowing that you are protected against any manufacturing issues.

In summary, the A-TECH 8301N390A 390-amp high alternator is a top-quality upgrade for vehicles with high electrical demands. It offers reliable and consistent power, a durable design, and easy installation. With its impressive output capacity and long warranty, this alternator is a smart investment for those seeking to enhance the performance and functionality of their vehicle's electrical systems.

Pros and Cons of Buying A-Tech 8301N390A 390AMP High Output Alternator for Chevy Tahoe/Yukon, GMC Yukon, Cadillac H2

I. Introduction

The A-Tech 8301N390A is a high output alternator designed to fit various vehicles including Chevy Tahoe, Yukon, GMC Yukon, and Cadillac H2. This alternator delivers 390 amps, making it an attractive option for heavy-duty applications. In this article, we will discuss the pros and cons of purchasing this alternator to help you make an informed decision.

II. Pros

1. Increased Power: The A-Tech 8301N390A provides an impressive 390 amps, which is significantly more than the standard alternator. This additional power can be beneficial for running high-drain accessories like winches, air compressors, and additional lights.

2. Durability: The alternator is built with a robust design, including a heavy-duty housing and a high-output voltage regulator. This ensures reliability and longevity, reducing the need for frequent replacements.

3. Easy Installation: The alternator comes with a simple plug-and-play design, making the installation process relatively straightforward. It is essential to follow the manufacturer's instructions carefully to ensure a successful installation.

4. Upgrade Potential: Installing a high-output alternator like the A-Tech 8301N390A can serve as a stepping stone for future upgrades. For instance, you might consider upgrading your battery or wiring to fully utilize the alternator's power.

III. Cons

1. Cost: The A-Tech 8301N390A is a more expensive alternative to a standard alternator. The higher cost can be a significant factor for some buyers, especially if they do not require the increased power output.

2. Size: The alternator is larger than a standard alternator due to its increased power capacity. This may require modifications to the vehicle's wiring or battery tray to accommodate the new alternator.

3. Electrical System Compatibility: It is essential to ensure that your vehicle's electrical system is compatible with the high output alternator. In some cases, the electrical system may not be able to handle the increased power, leading to issues like overcharging or damage to components.

IV. Conclusion

The A-Tech 8301N390A 390AMP high output alternator offers several advantages, including increased power, durability, easy installation, and upgrade potential. However, it also comes with some disadvantages, such as a higher cost, larger size, and potential compatibility issues with the electrical system.

If you frequently use high-drain accessories or require a more robust electrical system for your Chevy Tahoe, Yukon, GMC Yukon, or Cadillac H2, this alternator may be an excellent investment. However, if you do not need the additional power, a standard alternator may be a more cost-effective and practical choice.

V. Recommendation

Before purchasing the A-Tech 8301N390A alternator, carefully consider your vehicle's specific requirements and the benefits it can offer. If you determine that the increased power output is essential for your needs, the A-Tech 8301N390A can be a worthwhile investment. However, if you do not require the additional power, it is recommended to opt for a standard alternator to save on cost and potential installation complications.

Details:

We wish you and your family safety health. Using the same pulley size as original and output at idle is 150amp. Full output of 390 Amps is achieved at over 3000 engine rpm. Alternator, 1 Year Warranty.

Alternator, 12 Volt, 390A, CW, 6-GV. Parts repair or replacement for any defects only. Warranty does not cover any other costs, and buyer pays for all the shipping costs.

specifications altnagen:

  • for models: H2, Yukon, Tahoe
  • for makes: Chevy, Gmc, Cadillac, Hummer
  • brand: A-tech
  • mpn: 8301n390a
  • type: Alternator
  • manufacturer warranty: 6 Months
  • oe/oem part number: 8301 8302 15093928, 15857608, 15905871, 25877026
  • voltage: 12 V

general altnagen:

  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
  • condition: New

offer altnagen:

  • started: January 9, 2026
  • sold: 0
  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home

seller altnagen:

  • city: Diamond Bar, California
  • # reviews: 9534
  • rating: 99.6%

shipping altnagen:

  • type: Fixed
  • cost: $15.00
  • service: Standard
  • transit: 5-9 Days
  • class: Standard

returns altnagen:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

payments altnagen:

  • wallet: Apple-pay
  • credit card: Discover
  • other
for models: h2, yukon, tahoe, for makes: chevy, gmc, cadillac, hummer, type: alternator, manufacturer warranty: 6 months, oe/oem part number: 8301 8302 15093928, 15857608, 15905871, 25877026, voltage: 12 v,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, sku: 17454900275339631,
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