2009 Pontiac G8 Alternators and Starters

Essential Alternators and Starters for 2009 Pontiac G8s

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.19021S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$286.99
Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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
  • 100% remanufactured drive clutch assembly ensures lasting performance
  • Armatures and commutators are 100% load tested
  • New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
  • 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 – Starter: 1.4kW/12 Volt, CW, 10-Tooth Pinion (Part No.19022N)

Starter: 1.4kW/12 Volt, CW, 10-Tooth Pinion

from

$275.99
Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
  • Armatures have precision machined and upgraded steel shaft for improved durability and performance.
  • 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.
See More

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920782A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

from

$177.99
Litens Automotive is the original equipment supplier to Prowler and Holden for this decoupling alternator pulley application. For GM/Holden applications, this OAD is exact in all form, fit, and performance characteristics as the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). For Prowler – this aftermarket part, while looking a bit different from the original Prowler part, fits and performs as well or better than the O.E. part. Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Under normal driving conditions, the original pulley will require replacement in approx. 50,000 – 60,000 miles. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
See More

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920853A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

from

$64.99
Litens Automotive is the original equipment supplier for this GM application. This replacement alternator pulley is also designed and produced by Litens and is exact in all form, fit, and performance characteristics as the original equipment part. Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Designed and engineered by Litens Automotive. The inventor of the “OAD” (overrunning alternator decoupler).
  • Patented Original Equipment Design.
  • Protects the alternator and other front-end accessory drive components.
  • 17mm Hex Tool included in Kit to Assist in Removal and Install.
  • New cap included with the OAD. Always ensure the cap is installed after installation.
  • Installation instructions included.
See More

Carquest Premium – Multi-Purpose Relay (Part No.RAA2751)

Multi-Purpose Relay

from

$23.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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.
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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

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

Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)

Starter Mounting Bolt, Type 1 Long

from

$5.79
This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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
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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

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

GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

WIRE CONNECTOR

from

$52.99
WIRE CONNECTOR

Upgrade your 2009 Pontiac G8 with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2009 Pontiac G8, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Pontiac or enhancing its overall performance, Alternators and Starters are key to keeping your G8 functioning at its best. At Advance Auto Parts, we offer a wide selection of 15 Alternators and Starters for the 2009 Pontiac G8, designed to meet your needs without breaking the bank. From Alternator Pulley Part replacements to Starter Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Alternators and Starters for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Alternators and Starters for your 2009 Pontiac G8 at great prices. Our Alternators and Starters inventory for this model ranges from just $5.79 to $615.99, with an average price of $156.04. Our 15 Alternators and Starters in stock come from 6 trusted brands, so you’re sure to find the right part for your 2009 Pontiac G8 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2009 Pontiac G8, we stock popular OEM and aftermarket Alternators and Starters from top names like Carquest Premium, and more. Carquest Premium Alternators and Starters start at just $615.99 and boast an impressive 4.4 stars average rating from customers. With 4 customer reviews and counting, our 2009 Pontiac G8 Alternators and Starters have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Alternators and Starter upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2009 Pontiac G8 is always ready to roll. We’re committed to providing you with everything you need to keep your G8 in top shape, all in one place. Start shopping confidently below for your 2009 Pontiac G8!

Best-Selling Alternator Pulley Parts for 2009 Pontiac G8s

Enhance the driving experience in your Pontiac with 2 quality Alternator Pulley Part components, starting at $64.99.

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920853A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

from

$64.99
Litens Automotive is the original equipment supplier for this GM application. This replacement alternator pulley is also designed and produced by Litens and is exact in all form, fit, and performance characteristics as the original equipment part. Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:
  • Designed and engineered by Litens Automotive. The inventor of the “OAD” (overrunning alternator decoupler).
  • Patented Original Equipment Design.
  • Protects the alternator and other front-end accessory drive components.
  • 17mm Hex Tool included in Kit to Assist in Removal and Install.
  • New cap included with the OAD. Always ensure the cap is installed after installation.
  • Installation instructions included.
See More

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920782A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

from

$177.99
Litens Automotive is the original equipment supplier to Prowler and Holden for this decoupling alternator pulley application. For GM/Holden applications, this OAD is exact in all form, fit, and performance characteristics as the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). For Prowler – this aftermarket part, while looking a bit different from the original Prowler part, fits and performs as well or better than the O.E. part. Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Under normal driving conditions, the original pulley will require replacement in approx. 50,000 – 60,000 miles. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
See More

Most Popular 2009 Pontiac G8 Starter Parts

Customize your Pontiac with 6 Starter Parts products like Starters, Starter Relays, and Starter Bolts, all priced under $286.99.

Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)

Starter Mounting Bolt, Type 1 Long

from

$5.79
This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

WAI – Starter: 1.4kW/12 Volt, CW, 10-Tooth Pinion (Part No.19022N)

Starter: 1.4kW/12 Volt, CW, 10-Tooth Pinion

from

$275.99
Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
  • Armatures have precision machined and upgraded steel shaft for improved durability and performance.
  • 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.
See More

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.19021S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$286.99
Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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
  • 100% remanufactured drive clutch assembly ensures lasting performance
  • Armatures and commutators are 100% load tested
  • New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
  • 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

Powermaster Performance – Starter: Hitachi Style Starter, 168 Tooth Count, Up To 11:1 Compression, Natural (Part No.9109)

Starter: Hitachi Style Starter, 168 Tooth Count, Up To 11:1 Compression, Natural

from

$228.99
The PowerMAX starter is the perfect choice for everyday drivers seeking reliable performance with stock compression and timing setups. Designed with a lightweight construction, it ensures easy handling and installation, making it a practical solution for routine maintenance or upgrades. Featuring easy indexing, this starter allows for precise alignment, enhancing its compatibility and ease of use. Built in the Hitachi style with a robust 168-tooth count, it delivers consistent and efficient cranking power to get your engine running smoothly. Whether you’re replacing a worn-out starter or upgrading for better reliability, the PowerMAX starter offers durability and value, ensuring dependable starts every time.

Product Features:
  • Lightweight
  • Easy Indexing
  • Hitachi Style Starter
  • 168 Tooth Count
  • Designed for reliable performance with stock compression and timing setups, ensuring dependable starts for everyday driving needs.
See More

GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

WIRE CONNECTOR

from

$52.99
WIRE CONNECTOR

Carquest Premium – Multi-Purpose Relay (Part No.RAA2751)

Multi-Purpose Relay

from

$23.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
See More

Top Picks for 2009 Pontiac G8 Alternator Parts

Upgrade Pontiac G8s with top-quality Alternator Parts parts, including 7 OEM and aftermarket selections for your 2009 model.

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

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
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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
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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.
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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 Alternators and Starters Brands For Your 2009 Pontiac G8

Shop for the best-rated brands offering Alternators and Starters and other products for your 2009 Pontiac G8s. Below you’ll find some of our best rated Alternators and Starters from Carquest Premium, and more. Alternators and Starters from these brands that fit a 2009 G8 start at just $615.99 and are rated as high as 4.4 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 2009 Pontiac G8 Alternators and Starters

When it comes to maintaining or upgrading your 2009 Pontiac G8, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Alternators and Starters, specifically designed for the 2009 Pontiac G8. With over 1 Carquest Premium brand Alternators and Starters in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $615.99. Plus, with over 2 customer reviews and an average rating of 4.4 stars, you can trust that our Carquest Premium Alternators and Starters will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
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 Alternators and Starters

Which Alternators and Starters are best-sellers for 2009 Pontiac G8s?

Out of 15 Alternators and Starters that fit 2009 Pontiac G8s, the following parts are the top sellers:

What’s the price range for 2009 Pontiac G8 Alternators and Starters?

Alternators and Starter prices for the 2009 Pontiac G8 start at $5.79 and go up to $615.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2009 Pontiac G8?

The average price for Alternators and Starters for the 2009 Pontiac G8 is $156.04. Keep in mind the variety of part types within our Alternators and Starter category so you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Alternators and Starters for my 2009 Pontiac G8?

The cheapest 2009 Pontiac G8 Alternators and Starters we carry in stock are:

What are the top-rated Alternators and Starters that fit the 2009 Pontiac G8?

Out of 4 reviews by customers, our 2009 Pontiac G8 Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2009 Pontiac G8 and their top-rated products:

What types of Alternators and Starters do you sell for my 2009 Pontiac G8?

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

Can I get help with 2009 Pontiac G8 Alternators and Starter orders?

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

What is your return policy for Pontiac G8 Alternators and Starters?

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