Hummer H3 Alternators

Your Hummer H3 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 H3 Alternators start from as little as $234.99.

When it comes to your Hummer H3, 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 H3 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 462 reviews on parts for your Hummer H3.

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 H3, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

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Compare 25 Hummer Alternators

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

Carquest Alternator: Remanufactured, 160 Amps, 8301A

from

$209.99
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.
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Carquest Premium – Carquest Alternator: Remanufactured, 145 Amps, 8302A (Part No.8302A)

Carquest Alternator: Remanufactured, 145 Amps, 8302A

from

$234.99
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.
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Carquest Premium – Carquest Alternator: Remanufactured, 145 Amps, 8292A (Part No.8292A)

Carquest Alternator: Remanufactured, 145 Amps, 8292A

from

$249.99
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.
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Carquest Professional – Carquest Alternator: New, 160 Amps, 8301AN (Part No.8301AN)

Carquest Alternator: New, 160 Amps, 8301AN

from

$279.99
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.
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Carquest Premium – Carquest Alternator: Remanufactured, 120 Amps, 11148A (Part No.11148A)

Carquest Alternator: Remanufactured, 120 Amps, 11148A

from

$299.99
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.
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Carquest Premium – Carquest Alternator: Remanufactured, 145 Amps, 8550A (Part No.8550A)

Carquest Alternator: Remanufactured, 145 Amps, 8550A

from

$234.99
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.
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Carquest Standard – Carquest Alternator: Remanufactured, 145 Amps, 8464AV (Part No.8464AV)

Carquest Alternator: Remanufactured, 145 Amps, 8464AV

from

$189.99
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.
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Carquest Premium – Carquest Alternator: Remanufactured, 124 Amps, 8203-5A (Part No.8203-5A)

Carquest Alternator: Remanufactured, 124 Amps, 8203-5A

from

$214.99
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.
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Carquest Professional – Carquest Alternator: New, 140 Amps, 8219-5AN (Part No.8219-5AN)

Carquest Alternator: New, 140 Amps, 8219-5AN

from

$264.99
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.
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Carquest Professional – Carquest Alternator: New, 145 Amps, 8292AN (Part No.8292AN)

Carquest Alternator: New, 145 Amps, 8292AN

from

$314.99
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.
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Carquest Professional – Carquest Alternator: New, 145 Amps, 8302AN (Part No.8302AN)

Carquest Alternator: New, 145 Amps, 8302AN

from

$314.99
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.
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GM Genuine Parts – GM Genuine Parts Alternator: New, 125 Amps, 25925948 (Part No.25925948)

GM Genuine Parts Alternator: New, 125 Amps, 25925948

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).
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GM Genuine Parts – GM Genuine Parts Alternator: New, 120 Amps, 15826975 (Part No.15826975)

GM Genuine Parts Alternator: New, 120 Amps, 15826975

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 – Bosch Alternator: Remanufactured, 145 Amps, AL8515X (Part No.AL8515X)

Bosch Alternator: Remanufactured, 145 Amps, AL8515X

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

GM Genuine Parts Alternator: Remanufactured, 145 Amps, 321-2128

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.
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Bosch – Bosch Alternator: Remanufactured, 160 Amps, AL8555X (Part No.AL8555X)

Bosch Alternator: Remanufactured, 160 Amps, AL8555X

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.
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Bosch – Bosch Alternator: Remanufactured, 145 Amps, AL8529X (Part No.AL8529X)

Bosch Alternator: Remanufactured, 145 Amps, AL8529X

from

$367.99
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.
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Powermaster Performance – Powermaster Performance Alternator: AD244 Style, 215 Amps, Natural Finish, With 4 Pin VR, 48237 (Part No.48237)

Powermaster Performance Alternator: AD244 Style, 215 Amps, Natural Finish, With 4 Pin VR, 48237

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.”
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Carquest HD Electrical – Carquest Alternator: New, 145 Amps, With Pulley, 71-8292N-DRC (Part No.71-8292N-DRC)

Carquest Alternator: New, 145 Amps, With Pulley, 71-8292N-DRC

from

$359.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are primed to keep you moving forward. Built to perform in severe duty environments where consistent efficient high outputs are required.
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Carquest Professional – Carquest Alternator: New, 120 Amps, 11148AN (Part No.11148AN)

Carquest Alternator: New, 120 Amps, 11148AN

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.
See More

GM Genuine Parts – GM Genuine Parts Alternator: New, 145 Amps, 22781131 (Part No.22781131)

GM Genuine Parts Alternator: New, 145 Amps, 22781131

from

$344.99
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).
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WAI – WAI Alternator: 100% NEW, 145 Amps, 8550N (Part No.8550N)

WAI Alternator: 100% NEW, 145 Amps, 8550N

from

$324.99
This 100% NEW alternator from WAI is a premium choice for those seeking reliability and performance. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while the low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value for your vehicle’s electrical system.
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WAI – WAI Alternator: 100% NEW, 130 Amps, 11147N (Part No.11147N)

WAI Alternator: 100% NEW, 130 Amps, 11147N

from

$298.99
This 100% NEW alternator from WAI is a premium choice for those seeking reliability and performance. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while the low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value for your vehicle’s electrical system.
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Bosch – Bosch Alternator: New, 124 Amps, AL8577N (Part No.AL8577N)

Bosch Alternator: New, 124 Amps, AL8577N

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.
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Bosch – Bosch Alternator: Remanufactured, 125 Amps, AL8828X (Part No.AL8828X)

Bosch Alternator: Remanufactured, 125 Amps, AL8828X

from

$271.99
The Bosch Premium Alternator, delivering 125 amps at 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, offering superior durability and longevity. Designed with a clockwise rotation direction, it is built to seamlessly integrate with your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for better performance, this Bosch alternator provides the power and dependability you need to keep your vehicle running smoothly.
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