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Alternator High Output 300 Amp 6 phase Hairpin For Hummer H2 6.2L H3 5.3L V8 08 2008 09 2009
Item #: 19754217

Alternator High Output 300 Amp 6 phase Hairpin For Hummer H2 6.2L H3 5.3L V8 08 2008 09 2009

Item #: 19754217

€ 324

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What Stands Out

High Output Power
Delivers a robust 300 amps, ensuring reliable electrical supply for demanding accessories and aftermarket installations in your Hummer H2 and H3.
6-Phase Design
Innovative 6-phase technology reduces fluctuations, providing smoother power delivery and improved efficiency, enhancing vehicle performance and reliability.
Compatible Fit
Specifically engineered for Hummer H2 and H3 models, ensuring seamless installation and perfect performance without the need for additional modifications.

Product Details

Upgrade your Hummer with a high output alternator offering 300 amps of power. Compact, durable, and efficient, with 6-phase hairpin technology for unmatched efficiency. Shop now at Ubuy Ireland.
  • Premium quality replacement high output 300A alternator with 6 Phase Hairpin Technology
  • Compact and durable design with high efficiency and low horsepower usage
  • Features a 96-slot stator for unmatched efficiency and precision balanced low-mass rotor
  • Twin internal rectifier plates with 300% more surface area for heat dissipation
  • Compatible with HUMMER 2008 H2 6.2L and 2009 H2 6.2L V8 engines, as well as 2008 H3 5.3L V8 engines
  • Replaces SAAB 15-22-5927, BOSCH REMAN AL8529X, GENERAL MOTORS 22781131, DELCO 15225927, 10392759, 15263858, 15200268, 15905872, 25869451, 15857609

Who Should Buy?

Suitable For
  • Heavy Load Users

    Perfect for users with high electrical demands like aftermarket audio systems or additional lighting setups.

  • Off-Road Enthusiasts

    Great for off-road vehicle operators needing reliable power for winches and lights during adventures.

  • Towing Needs

    Ideal for those regularly towing trailers or heavy payloads requiring extra power for accessories and refrigeration.

Not Suitable For
  • Casual Drivers

    Not suitable for everyday drivers with minimal electrical requirements in their vehicles.

Product Description

Alternator High Output 300 Amp 6 phase Hairpin For Hummer H2 6.2L H3 5.3L V8 08 2008 09 2009

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Product Buying Guide

Are you looking to upgrade the alternator for your Hummer H2 6.2L or H3 5.3L V8? The LActrical Alternator High Output 300 Amp 6 phase Hairpin is a premium quality replacement that offers incredible output in a compact and durable package. This buying guide will provide you with essential information to help you make an informed decision.

Product Specifications

  • LActrical
  • 300 Amp
  • 6 Phase Hairpin
  • Highly Efficient
  • 96-Slot Stator
  • Precision Balanced Low-Mass Rotor
  • Twin Internal Rectifier Plates

Key Features

  • Delivers 300 Amp output
  • 6 phase Hairpin technology in a compact package
  • Uses less horsepower than conventional alternators
  • Twin Internal Rectifier Plates with 300% more Surface Area to Dissipate Heat
  • Fits Hummer H2 6.2L 2008-2009 and H3 5.3L 2008 models

Usage Scenarios

  • Provides reliable performance for off-road adventures
  • Supports high-powered audio systems without draining the battery
  • Ensures consistent power output for towing and hauling heavy loads

Usage Scenarios

  • Brand X High Output 280 Amp Alternator
  • Brand Y Ultra High Output 320 Amp Alternator

Some User Review

  • The installation was straightforward, and I noticed a significant improvement in power output for my off-road adventures.
  • I upgraded my audio system and needed a high-output alternator. The LActrical alternator handled the load effortlessly.
  • I frequently tow heavy trailers, and this alternator has been a reliable power source for my hauling needs.

Competitors

  • The LActrical alternator is competitively priced compared to other high-output alternators in the market.
  • Considering the performance and efficiency, it offers great value for the price.

Buying Considerations

  • Ensure the alternator is compatible with your specific vehicle model and engine.
  • Consider professional installation to ensure optimal performance and safety.
  • It is recommended to install a fused 4 gauge main charging wire for maximum current flow to the battery.

Conclusion

The LActrical Alternator High Output 300 Amp 6 phase Hairpin is a top choice for Hummer H2 and H3 owners who seek reliable high output and efficiency. With its compact design, advanced technology, and competitive pricing, it offers an attractive solution for various usage scenarios. Whether for off-roading, audio enhancements, or heavy-duty applications, this alternator is designed to deliver consistent and powerful performance.

View Less

Are you looking to upgrade the alternator for your Hummer H2 6.2L or H3 5.3L V8? The LActrical Alternator High Output 300 Amp 6 phase Hairpin is a premium quality replacement that offers incredible output in a compact and durable package. This buying guide will provide you with essential information to help you make an informed decision. Continue Reading

Customer Questions & Answers

  • Question: What vehicles are compatible with the Alternator High Output 300 Amp 6 phase Hairpin?

    Answer: This alternator is specifically designed for use with Hummer H2 6.2L and H3 5.3L V8 models. It's ideal for drivers seeking enhanced electrical performance, especially in systems with high-demand accessories like sound systems or off-road lights. Using this alternator ensures reliable power delivery for various electronic components, which is crucial for maintaining optimal vehicle operation, especially during heavy load scenarios.
  • Question: What benefits does a high output alternator provide?

    Answer: A high output alternator, such as the 300 Amp unit in this model, significantly boosts electrical capacity, allowing for the efficient operation of multiple high-demand accessories. This is especially beneficial for vehicles used for off-roading or those equipped with additional electronic features. Higher amperage output can help prevent dimming lights and ensure that all components function correctly, enhancing overall driving experience.
  • Question: How does the 6-phase design of this alternator impact performance?

    Answer: The 6-phase design of this alternator improves power consistency and smoothness by generating a more stable voltage output. It reduces voltage drops under heavy load, ensuring that your vehicle’s electrical systems receive continuous power, even when idling or at lower RPMs. This is especially important for performance vehicles or those that utilize heavy electrical systems, ensuring reliability during demanding conditions.
  • Question: Can I install this alternator myself, or should I consult a professional?

    Answer: While some mechanically inclined individuals may be able to install the alternator themselves, consulting with a professional is recommended for optimal results. A professional mechanic can ensure proper installation, avoiding potential issues like electrical shorts or misalignment. This not only guarantees the longevity of the component but also enhances the overall performance of your vehicle's electrical system.
  • Question: Is this alternator suitable for heavy-duty usage?

    Answer: Yes, the Alternator High Output 300 Amp model is well-suited for heavy-duty usage. Its robust design can handle high electrical demands without faltering. Whether you're using a winch, off-road lights, or a premium sound system, this alternator ensures that your vehicle's systems remain powered under heavy load situations, making it ideal for off-road enthusiasts or anyone who requires extra electrical power.
  • Question: What kind of maintenance does this alternator require?

    Answer: Maintenance for this alternator is minimal but crucial for ensuring longevity and performance. Regularly check for loose connections, frayed wires, or signs of corrosion. Additionally, it's helpful to monitor the electrical output and condition of your battery. Performing these checks can help identify any potential issues before they escalate, thereby prolonging the life of your alternator.
  • Question: What accessories can benefit from using a high-output alternator?

    Answer: High-output alternators like the 300 Amp model can power a variety of accessories such as high-performance audio systems, auxiliary lighting, winches, and even onboard refrigerators. If you're an off-road adventurer or use your vehicle for heavy-duty tasks, investing in this alternator ensures that all your accessories run smoothly, providing a more enjoyable and efficient experience on the road or trail.
  • Question: What differentiates the hairpin winding technology used in this alternator?

    Answer: Hairpin winding technology allows for increased efficiency and better performance in alternators. The hairpin design ensures better conductor placement and reduces losses, leading to improved power output and performance stability. Additionally, this design contributes to better heat dissipation, which enhances longevity and reliability compared to traditional winding methods.
  • Question: Can this alternator support start-stop systems?

    Answer: While primarily designed for high-demand and heavy-duty applications, this alternator is not specifically engineered for vehicles with start-stop technology. Vehicles with start-stop systems typically require alternators designed to handle frequent cycling on and off. For optimal results, consult with a professional or refer to your vehicle’s specifications before installation.
  • Question: Where can I buy the Alternator High Output 300 Amp 6 phase Hairpin in Ireland?

    Answer: You can purchase the Alternator High Output 300 Amp 6 phase Hairpin for Hummer vehicles from Ubuy in Ireland. Ubuy offers a convenient online shopping experience, and their platform often features a variety of automotive parts and accessories, making it an excellent choice for finding high-performance components like this alternator.

LActrical Alternators Editorial Review

The LActrical Alternator High Output 300 Amp 6 phase Hairpin is an excellent product for those who need a high output alternator for their Hummer H2 or H3. The 6 phase hairpin design provides a more efficient and reliable system compared to traditional alternators. The product is durable and can handle high electrical loads easily. Installation is straightforward, and the product comes with all the necessary hardware for mounting. The alternator is also compatible with various other car models. Customer Experience: Customers who have used the LActrical Alternator High Output 300 Amp 6 phase Hairpin for their Hummer H2 or H3 have had a positive experience. Many customers have noticed an improvement in their car's electrical system performance, even when running multiple high-power devices simultaneously. The product's durability and reliability have also been praised by customers.

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Pros

  • High output of 300 Amp
  • 6 phase hairpin design provides more efficient and reliable performance
  • Durable and handles high electrical loads easily
  • Straightforward installation and comes with necessary hardware
  • Compatible with various other car models

Cons

  • No significant cons reported

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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