Hummer H2 Alternators

Your Hummer H2 will be happy to know that the search for the right Alternators you’ve been looking for is over! Advance Auto Parts has 13 different Alternators for your vehicle, ready for shipping or in-store pick up. The best part is, our Hummer H2 Alternators start from as little as $169.99.

When it comes to your Hummer H2, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Alternators brands so you can shop with complete confidence. We’re sure you will get the right product to keep that H2 running for a long time.

We even have reviews of our OEM and aftermarket Alternators products to help you buy with confidence. Hear from other customers via the 1,175 reviews on parts for your Hummer H2.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Alternators for your H2, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Hummer Alternators

Carquest Premium – Alternator: Remanufactured, 160 Amps, Limited Lifetime Warranty (Part No.8301A)

Alternator: Remanufactured, 160 Amps, Limited Lifetime Warranty

from

$197.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8302A)

Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty

from

$221.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8292A)

Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty

from

$230.99
This remanufactured alternator delivers reliable performance with a robust 145.0-amp output and a 12.0 VDC voltage rating, ensuring your vehicle’s electrical systems operate at peak efficiency. Designed for durability and precision, it features a clockwise (right) rotation direction and belongs to the trusted Delco family, known for quality and dependability. Whether you’re powering essential components or additional accessories, this alternator is engineered to meet the demands of modern vehicles. Its remanufactured design offers a cost-effective solution without compromising on performance, making it an excellent choice for those seeking value and reliability.

Product Features:
  • Provides a robust 145-amp output to ensure optimal performance for your vehicle’s electrical systems.
  • Engineered with a clockwise rotation direction for precise compatibility with modern vehicle designs.
  • Remanufactured design offers a cost-effective solution while maintaining high-quality performance standards.
  • Belongs to the trusted Delco family, renowned for reliability and durability in automotive electrical components.
  • Designed to efficiently power both essential vehicle systems and additional accessories.
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Carquest Professional – Alternator: New, 160 Amps, Limited Lifetime Warranty (Part No.8301AN)

Alternator: New, 160 Amps, Limited Lifetime Warranty

from

$273.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.11148A)

Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty

from

$286.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8550A)

Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty

from

$219.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.11147A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$329.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Standard – Alternator: Remanufactured, 145 Amps, 1 Year Limited Warranty (Part No.8464AV)

Alternator: Remanufactured, 145 Amps, 1 Year Limited Warranty

from

$169.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 124 Amps, Limited Lifetime Warranty (Part No.8203-5A)

Alternator: Remanufactured, 124 Amps, Limited Lifetime Warranty

from

$202.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Professional – Alternator: New, 140 Amps, Limited Lifetime Warranty (Part No.8219-5AN)

Alternator: New, 140 Amps, Limited Lifetime Warranty

from

$218.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Professional – Alternator: New, 145 Amps, Limited Lifetime Warranty (Part No.8292AN)

Alternator: New, 145 Amps, Limited Lifetime Warranty

from

$292.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Professional – Alternator: New, 145 Amps, Limited Lifetime Warranty (Part No.8302AN)

Alternator: New, 145 Amps, Limited Lifetime Warranty

from

$271.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

GM Genuine Parts – Alternator: New, 125 Amps, 2 Year Limited Warranty (Part No.25925948)

Alternator: New, 125 Amps, 2 Year Limited Warranty

from

$244.99
GM Genuine Parts Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These alternators provide power to the vehicle’s electrical systems and charge the battery while the engine is running. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Newly manufactured as an exact replacement for your GM vehicle’s original alternator
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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ACDelco – Alternator: Remanufactured, 145 Amps (Part No.334-2529A)

Alternator: Remanufactured, 145 Amps

from

$197.99
ACDelco Gold (Professional) Remanufactured Alternators are the high quality alternative to Original Equipment (OE) parts. These alternators use high-quality bearings with high-temp lubricant and double-lipped rubber seals. Rotors and stators are electronically tested and then sealed with secondary insulating coating. Remanufacturing alternators is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components. Damaged and obsolete parts are replaced and are end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Remanufactured using consistent quality processes; not just rebuilt
  • Alternators use high-quality bearings with high-temp lubricant and double-lipped rubber seals, reducing friction, vibration, and noise
  • Rotors and stators are electronically tested and then sealed with secondary insulating coating to help prevent shorts
  • Performance-tested and inspected to ensure they meet your expectations for quality design and component specifications
  • Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
  • Tested to ensure they perform to ACDelco specifications
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GM Genuine Parts – Alternator: New, 120 Amps (Part No.15826975)

Alternator: New, 120 Amps

from

$296.99
This high-performance alternator is newly manufactured as an exact replacement for your GM vehicle’s original unit, ensuring seamless compatibility and reliable operation. With a robust 120-amp output and a 14 VDC voltage rating, it delivers consistent power to meet the demands of your vehicle’s electrical system. Designed and validated by GM engineers, this alternator is tailored specifically for Chevrolet, Buick, GMC, and Cadillac models, adhering to rigorous standards for quality and durability. Featuring a clockwise rotation direction and part of the trusted Valeo family, it integrates the latest materials and technologies to enhance performance. Backed by General Motors, this alternator offers the reliability and peace of mind you expect from GM Genuine Parts, making it a dependable choice for maintaining your vehicle’s optimal functionality.
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Bosch – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.AL8515X)

Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty

from

$222.99
The Bosch Premium Alternator, remanufactured to deliver 145 amps of power, is engineered for peak performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent and dependable operation. With a 12 VDC voltage rating and clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Built using high-quality materials and advanced technology, it offers exceptional durability to withstand demanding conditions. Unlike rebuilt units, this alternator is 100% factory tested and remanufactured for superior quality and longevity. Whether you’re upgrading or replacing, this alternator provides unmatched value and reliability for your vehicle’s electrical needs.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
  • Engineered to withstand demanding conditions, ensuring consistent and dependable operation over time.
See More

GM Genuine Parts – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.321-2128)

Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty

from

$384.99
The remanufactured alternator delivers reliable performance with a robust 145-amp output and 12 VDC voltage, making it ideal for powering your vehicle’s electrical systems. Designed with a clockwise rotation direction and part of the trusted DELCO AD244 LN31 family, this alternator ensures compatibility with GM specifications. Featuring ACDelco GM Original Equipment quality, it benefits from industry-standard remanufacturing practices that restore parts to service while reducing waste. Each unit undergoes rigorous testing to guarantee dependable operation and long-lasting durability. Whether you’re replacing a worn-out alternator or upgrading your vehicle’s electrical system, this alternator offers exceptional value and performance.

Product Features:


Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
  • Tested to ensure they perform to GM specifications
  • Designed with a robust 145-amp output, this alternator provides reliable power to support your vehicle’s electrical systems effectively.
  • Features a clockwise rotation direction for seamless compatibility with GM vehicles, ensuring optimal performance and fit.
See More

Bosch – Alternator: Remanufactured, 160 Amps, 2 Year Limited Warranty (Part No.AL8555X)

Alternator: Remanufactured, 160 Amps, 2 Year Limited Warranty

from

$344.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive applications. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent power delivery with its 160-amp rating and 12 VDC output. Remanufactured using advanced technology and high-quality materials, it offers durability that stands the test of time. Unlike rebuilt units, Bosch’s remanufactured alternators undergo 100% factory testing to guarantee optimal functionality. Designed for clockwise rotation, this alternator is engineered to provide seamless compatibility and dependable operation. Whether you’re upgrading or replacing, this alternator combines precision engineering with long-lasting value, ensuring your vehicle stays powered under all conditions.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Engineered for seamless compatibility, ensuring dependable operation in demanding automotive applications.
  • Designed with a 160-amp rating to deliver consistent and reliable power under all conditions.
See More

Bosch – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.AL8529X)

Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty

from

$208.99
The Bosch Premium Alternator, delivering 145 amps and 12 VDC, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures dependable operation under demanding conditions. Unlike rebuilt units, it is 100% factory-tested and remanufactured using high-quality materials and cutting-edge technology, guaranteeing long-lasting durability. Designed with a clockwise rotation direction, it is built to handle the toughest electrical demands while maintaining peak efficiency. Whether you’re replacing a worn-out alternator or upgrading for better performance, this Bosch alternator offers unmatched value and peace of mind.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Engineered for peak efficiency, the clockwise rotation design ensures optimal performance under high electrical demands.
  • Delivers a robust 145-amp output, providing reliable power for demanding applications.
See More

Powermaster Performance – Alternator: AD244 Style, 215 Amps, Natural Finish, With 4 Pin VR (Part No.48237)

Alternator: AD244 Style, 215 Amps, Natural Finish, With 4 Pin VR

from

$459.99
The Powermaster Alternator delivers exceptional performance and reliability, making it an ideal choice for street applications, including muscle cars, classics, street rods, and daily drivers. Engineered with an Ad244 style design, this alternator boasts superior output at idle, delivering an impressive 140 amperes for consistent power. Its heavy-duty regulator and rectifier, combined with high-temperature windings, ensure long-lasting durability and efficiency. Dual internal fans provide excellent cooling, while the late-model compatibility with remote voltage control adds modern convenience. Featuring a “Proof of Performance” tag, this alternator guarantees top-tier functionality and reliability. Whether you’re upgrading or replacing, this alternator is built to meet the demands of high-performance vehicles.

Product Features:


Product Features:
  • Ad244 Style
  • Superior Output At Idle, A Whopping 140 Ampere
  • Heavy Duty Regulator And Rectifier
  • High Temperature Windings
  • Dual Internal Fans For High Efficiency And Excellent Cooling
  • Late Model Compatibility With Remote Voltage Control
  • Proof Of Performance Tag
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Carquest Professional – Alternator: New, 120 Amps, Limited Lifetime Warranty (Part No.11148AN)

Alternator: New, 120 Amps, Limited Lifetime Warranty

from

$346.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Professional – Alternator: New, 130 Amps (Part No.11147AN)

Alternator: New, 130 Amps

from

$346.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • All units are 100% triple tested to ensure quality and performance
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GM Genuine Parts – Alternator: New, 145 Amps, 2 Year Limited Warranty (Part No.22781131)

Alternator: New, 145 Amps, 2 Year Limited Warranty

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$324.99
GM Genuine Parts Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These alternators provide power to the vehicle’s electrical systems and charge the battery while the engine is running. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Newly manufactured as an exact replacement for your GM vehicle’s original alternator
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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WAI – Valeo Ir/If 130 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11147N)

Valeo Ir/If 130 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$298.99
This 130-amp alternator from WAI is engineered to deliver exceptional performance and reliability, making it a top choice for aftermarket replacements. Designed to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage, while its low saturation voltage minimizes heat dissipation for enhanced durability. Featuring a high-power rectifier assembly with open junction press-fit diodes, this alternator is built to run cooler and more efficiently. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its performance from the moment it powers on. With WAI’s commitment to quality, this alternator is a dependable solution for maintaining your vehicle’s electrical system.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Built with durability in mind, the alternator’s advanced design minimizes heat dissipation, ensuring long-lasting performance even under demanding conditions.
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Bosch – Alternator: New, 124 Amps, Limited Lifetime Warranty (Part No.AL8577N)

Alternator: New, 124 Amps, Limited Lifetime Warranty

from

$286.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding driving conditions. Engineered with 100% new components, it is built to endure the harshest environments, ensuring optimal functionality and an extended lifespan. Designed to handle excessive heat and high electrical demands, this alternator is perfect for modern vehicles with advanced electrical systems. With a robust 124-amp output and 12 VDC voltage, it provides consistent power to keep your vehicle running smoothly. Precision-crafted mounting points are gauged, resized, or rethreaded for a perfect fit, ensuring hassle-free installation. Additionally, the purchase includes free 24-hour Roadside Assistance Protection, adding extra value and peace of mind. Built to rotate clockwise, this alternator is a reliable and durable solution for your vehicle’s electrical needs. Choose Bosch for unmatched quality and performance.

Product Features:


Product Features:
  • 100% new components withstand the harshest environments for the best performance and longest life
  • Built specifically to withstand excessive heat and high electrical demands.
  • All mounting points 100% gauged and resized or rethreaded for proper fit
  • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
  • Provides consistent and reliable 124-amp output to support modern vehicles with advanced electrical systems.
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FAQs for Hummer H2 Alternators

What are the most popular Alternators for the Hummer H2?

With 7 brands you can trust, our most popular Alternators for the Hummer H2 are:

What are the best aftermarket Alternators for the Hummer H2?

See what past customers had to say about our highest-rated Alternators for the Hummer H2:
Alternator: New, 160 Amps, Limited Lifetime Warranty
from $273.99
(110)
Alternator: New, 160 Amps, Limited Lifetime Warranty
“Great Product”