2009 Pontiac G8 Alternator Parts

Keep Your 2009 Pontiac G8 in Top Shape with Quality Alternator Parts

Whether you’re repairing or upgrading your Alternator Part, using high-quality parts is key to keeping your 2009 Pontiac G8 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Alternators and Alternator Pigtails. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Alternator Parts from Trusted Brands

Looking for a reliable Alternator Part? We’ve got you covered with options from brands you know and trust like Carquest Premium. For example, Carquest Premium Alternator Parts start at just $615.99 with an average 4.4 star rating. With over 4 reviews and a solid 3 star average, you can shop with confidence knowing other Pontiac G8 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2009 Pontiac G8 Alternator Part at Advance Auto Parts is around $216.68, with a range that starts at $33.99 and goes up to $615.99. With 7 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Alternator: New, 100 Amps, Black Multi-Purpose Pigtail, and Multi-Use Connector start at just $42.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Alternator Part, don’t forget to check out other key components like Alternator Pulley Parts and Starter Parts. At Advance Auto Parts, we’re here to help you keep your 2009 Pontiac G8 in peak condition, inside and out.

Essential 2009 Pontiac G8 Alternator Parts

GM Genuine Parts – Alternator: New, 100 Amps (Part No.92191127)

Alternator: New, 100 Amps

from

$344.99
This 100-amp alternator is a newly manufactured, exact replacement for your GM vehicle’s original unit, ensuring seamless compatibility and reliable performance. Designed and validated by GM engineers, it meets rigorous standards and is tailored specifically for Chevrolet, Buick, GMC, or Cadillac models. With a 12 VDC output and clockwise rotation, it delivers dependable power to keep your vehicle’s electrical systems running smoothly. As part of the Mitsubishi family, this alternator benefits from GM’s commitment to integrating advanced materials and technologies, ensuring long-lasting durability. Backed by General Motors, it offers the quality and peace of mind you expect from GM Genuine Parts, which were formerly known as ACDelco GM Original Equipment (OE). Whether you’re replacing a worn-out alternator or upgrading for optimal performance, this part is engineered to meet the highest standards of reliability and efficiency.
See More

WAI – Alternator: New, 120 Amps (Part No.11420N)

Alternator: New, 120 Amps

from

$272.99
This 120-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 comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. With WAI’s commitment to quality, this alternator offers long-lasting value and dependable power for your vehicle.

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.
  • Designed for enhanced durability, the alternator’s low saturation voltage minimizes heat dissipation, ensuring reliable performance and extended lifespan.
See More

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.11420A)

Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty

from

$328.99
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, 140 Amps, Limited Lifetime Warranty (Part No.11418A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$615.99
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

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2044)

Black Multi-Purpose Pigtail

from

$42.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1229)

Multi-Use Connector

from

$46.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1482)

Multi-Use Connector

from

$33.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Most Popular Alternators for 2009 Pontiac G8s

Enhance your 2009 Pontiac G8 with one of the 4 Alternators we have in stock, starting at just $272.99.

Carquest Premium – Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty (Part No.11418A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$615.99
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

GM Genuine Parts – Alternator: New, 100 Amps (Part No.92191127)

Alternator: New, 100 Amps

from

$344.99
This 100-amp alternator is a newly manufactured, exact replacement for your GM vehicle’s original unit, ensuring seamless compatibility and reliable performance. Designed and validated by GM engineers, it meets rigorous standards and is tailored specifically for Chevrolet, Buick, GMC, or Cadillac models. With a 12 VDC output and clockwise rotation, it delivers dependable power to keep your vehicle’s electrical systems running smoothly. As part of the Mitsubishi family, this alternator benefits from GM’s commitment to integrating advanced materials and technologies, ensuring long-lasting durability. Backed by General Motors, it offers the quality and peace of mind you expect from GM Genuine Parts, which were formerly known as ACDelco GM Original Equipment (OE). Whether you’re replacing a worn-out alternator or upgrading for optimal performance, this part is engineered to meet the highest standards of reliability and efficiency.
See More

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.11420A)

Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty

from

$328.99
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

WAI – Alternator: New, 120 Amps (Part No.11420N)

Alternator: New, 120 Amps

from

$272.99
This 120-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 comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. With WAI’s commitment to quality, this alternator offers long-lasting value and dependable power for your vehicle.

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.
  • Designed for enhanced durability, the alternator’s low saturation voltage minimizes heat dissipation, ensuring reliable performance and extended lifespan.
See More

Best-Selling 2009 Pontiac G8 Alternator Pigtails

Upgrade your G8 with one of our 3 best-selling Alternator Pigtails.

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2044)

Black Multi-Purpose Pigtail

from

$42.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1229)

Multi-Use Connector

from

$46.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1482)

Multi-Use Connector

from

$33.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Top-Rated Alternator Part Brands For Your 2009 Pontiac G8

When it comes to finding the perfect Alternator Part for your 2009 Pontiac G8, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Alternator Part brands including Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $615.99. Purchasing a Alternator Part from us here at Advance Auto Parts is a smart move for both you and your 2009 Pontiac G8, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2009 Pontiac G8 Alternator Parts

If you’re looking for a top-quality Alternator Part for your 2009 Pontiac G8, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Alternator Parts. We have 1 Carquest Premium Alternator Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $615.99, you’ll find the perfect Alternator Part for your needs and budget. Carquest Premium Alternator Parts for the 2009 Pontiac G8 come highly rated, with over 2 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Alternator Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty
from $615.99
(2)
Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty
“part seems to be of high quality, but as you know its length of service is the test . Check with me in 5 years.”

FAQs for 2009 Pontiac G8 Alternator Parts

What are the best-selling Alternator Parts for 2009 Pontiac G8s?

Out of 7 Alternator Parts that fit 2009 Pontiac G8s, the following parts are the top sellers:

What’s the price range for 2009 Pontiac G8 Alternator Parts?

The prices of Alternator Parts for the 2009 Pontiac G8 range from $33.99 up to $615.99 for the most premium parts.

What is the average price of an Alternator Part for a 2009 Pontiac G8?

The average price for Alternator Parts for the 2009 Pontiac G8 is $216.68. Keep in mind the variety of part types within our Alternator Part category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Alternator Parts for my 2009 Pontiac G8?

The cheapest 2009 Pontiac G8 Alternator Parts we carry are:

Does Advance Auto Parts sell Alternator Parts for any other 2009 Pontiac models?

Yes. We stock Alternator Parts for 5 other popular 2009 Pontiac models. Some of the most popular are 2009 Vibe Alternator Parts, 2009 G6 Alternator Parts, 2009 Torrent Alternator Parts, 2009 G5 Alternator Parts, and 2009 Solstice Alternator Parts.

What are the top-rated Alternator Parts that fit the 2009 Pontiac G8?

The one 2009 Pontiac G8 Alternator Part we have in stock is the Multi-Use Connector. It costs $33.99.

What types of Alternator Parts do you sell for my 2009 Pontiac G8?

As of 11/2/25, these are some of the most in-demand types of Alternator Parts for a 2009 Pontiac G8:

Can I get help with 2009 Pontiac G8 Alternator Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Alternator Parts and more.

What is your return policy for Pontiac G8 Alternator Parts?

Advance Auto Parts keeps returns simple. For new Pontiac G8 Alternator Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.