2003 Chevrolet Impala Alternator Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2003 Chevrolet Impala 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 2003 Chevrolet Impala looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Alternators. 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 $214.99 with an average 4.4 star rating. With over 117 reviews and a solid 5 star average, you can shop with confidence knowing other Chevrolet Impala owners approve.

Explore Related Parts

While you’re upgrading or replacing your Alternator Part, don’t forget to check out other key components like Ignition Lock Parts and Starter Parts. At Advance Auto Parts, we’re here to help you keep your 2003 Chevrolet Impala in peak condition, inside and out.

Essential 2003 Chevrolet Impala Alternator Parts

Carquest Premium – Alternator: Remanufactured, 78 Amps, Limited Lifetime Warranty (Part No.7273-9A)

Alternator: Remanufactured, 78 Amps, Limited Lifetime Warranty

from

$129.99
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, 135 Amps, Limited Lifetime Warranty (Part No.11179A)

Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty

from

$334.99
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 HD Electrical – Alternator: New, 94 Amps, With Pulley (Part No.71-7294-3N)

Alternator: New, 94 Amps, With Pulley

from

$214.99
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 pri

Product Features:
  • High quality components form the foundation our parts are built from. Transpo’s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
  • Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
  • Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
  • Integrated magnetic switch provides protection against weak power from batteries.
  • Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
  • Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
  • Load dump protection ensures transient voltage spikes do not damage transistor
  • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Carquest Standard – Alternator: Remanufactured, 63 Amps, 1 Year Limited Warranty (Part No.7127-3AV)

Alternator: Remanufactured, 63 Amps, 1 Year Limited Warranty

from

$82.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

WAI – Alternator: 100% NEW, 125 Amps (Part No.11185N)

Alternator: 100% NEW, 125 Amps

from

$239.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

Bosch – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.AL8663N)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$182.99
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 105-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 upgrade for your vehicle’s electrical system. Choose Bosch for unmatched durability and performance.

Product Features:


    Product Features:
    • 100% new components withstand the harshest environments for the best performance and longest life
    • Built specifically to withstand excessive heat and high electrical demands.
    • All mounting points 100% gauged and resized or rethreaded for proper fit
    • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
    • Provides consistent 105-amp output to support modern vehicles with advanced electrical systems, ensuring reliable power delivery.
See More

Carquest Premium – Alternator: Remanufactured, 55 Amps, Limited Lifetime Warranty (Part No.7122A)

Alternator: Remanufactured, 55 Amps, Limited Lifetime Warranty

from

$114.99
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 a limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 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: 100% NEW, 120 Amps (Part No.11236N)

Alternator: 100% NEW, 120 Amps

from

$338.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

Top Street Performance – Alternator: 10SI Style 110 Amps with V-Belt Pulley, Black (Part No.ES1001BK)

Alternator: 10SI Style 110 Amps with V-Belt Pulley, Black

from

$161.99
TSP’s Alternators are a fantastic upgrade to any engine, whether it?s for looks or performance and reliability. They feature simple wiring and a huge amperage upgrade over stock, and they come in a stylish black finish.

Product Features:
  • Model: 10SI
  • Amperage Output: 110 Amps
  • Voltage Capacity: 12V
  • One Wire Capable: Yes
  • Sleek Black Finish: Enhances the visual appeal of your engine bay with a sophisticated and modern look.
See More

Carquest Professional – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.8103-7AN)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$186.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.13989A)

Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty

from

$239.99
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 a limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 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, 150 Amps, Limited Lifetime Warranty (Part No.11453A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$239.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Carquest Professional – Alternator: New, 61 Amps (Part No.7127-12AN)

Alternator: New, 61 Amps

from

$105.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Bosch – Alternator: Remanufactured, 62 Amps, 2 Year Limited Warranty (Part No.AL530X)

Alternator: Remanufactured, 62 Amps, 2 Year Limited Warranty

from

$95.99
Alternator: Remanufactured, 62 Amps delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. Engineered with precision, this Bosch Premium Alternator is full-load tested to meet strict performance standards, ensuring dependable operation under demanding conditions. Remanufactured using high-quality aluminum and advanced technology, it offers durability that stands the test of time. With a 62-amp amperage rating and 12 VDC voltage, it provides consistent power output to keep your vehicle running smoothly. The clockwise rotation direction ensures compatibility with a wide range of applications. Factory-tested for quality assurance, this alternator is built to last, offering excellent value for those seeking a reliable replacement part.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered with a precise clockwise rotation direction for enhanced compatibility across various vehicle applications.
    • Provides consistent and reliable 12 VDC power output, ensuring smooth operation of your vehicle’s electrical system.
See More

GM Genuine Parts – Alternator: New, 120 Amps, 2 Year Limited Warranty (Part No.20911162)

Alternator: New, 120 Amps, 2 Year Limited Warranty

from

$269.99
This high-performance alternator, delivering a robust 145-amp output, is newly manufactured to serve as an exact replacement for your GM vehicle’s original part. Designed and validated by GM engineers, it ensures seamless compatibility with Chevrolet, Buick, GMC, and Cadillac models. Built to rigorous standards and backed by General Motors, this alternator guarantees reliability and durability. Featuring a 14 VDC voltage rating and a clockwise rotation direction, it is part of the Bosch IR IF family, ensuring optimal performance. GM Genuine Parts are engineered with cutting-edge materials and technologies, reflecting GM’s commitment to quality and innovation. Whether you’re upgrading or replacing, this alternator offers exceptional value and long-lasting performance.
See More

Carquest Premium – Alternator: Remanufactured, 63 Amps, Limited Lifetime Warranty (Part No.7127-3A)

Alternator: Remanufactured, 63 Amps, Limited Lifetime Warranty

from

$99.99
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 a limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 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

Bosch – Alternator: New, 120 Amps (Part No.AL8807N)

Alternator: New, 120 Amps

from

$375.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With a robust 120-amp amperage rating and a consistent 14 VDC output, this alternator ensures your car’s battery stays charged and all electrical components function seamlessly. Designed for clockwise rotation, it integrates smoothly into compatible systems, providing dependable power generation for optimal vehicle operation. Built with precision and tested rigorously, this alternator offers durability that stands up to demanding conditions, reducing the need for frequent replacements. Whether you’re upgrading or replacing, the Bosch Premium Alternator is engineered to meet high standards, offering excellent value and long-lasting performance for your vehicle.

Product Features:


    Product Features:
    • Delivers a robust 120-amp amperage rating to ensure reliable power generation for your vehicle’s electrical system.
    • Provides a consistent 14 VDC output to maintain optimal battery charge and seamless operation of electrical components.
    • Designed for clockwise rotation, ensuring smooth integration into compatible systems for dependable performance.
    • Engineered with precision and rigorously tested for durability, reducing the need for frequent replacements.
    • Built to meet high standards, offering excellent value and long-lasting performance for demanding conditions.
See More

WAI – Alternator: 100% NEW, 94 Amps (Part No.7294-6N)

Alternator: 100% NEW, 94 Amps

from

$138.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

Carquest Professional – Alternator: New, 125 Amps, Limited Lifetime Warranty (Part No.11640AN)

Alternator: New, 125 Amps, Limited Lifetime Warranty

from

$451.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty (Part No.13771A)

Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty

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.

Product Features:
  • Remanufactured to meet or exceed OE specifications, ensuring reliable fit, form, and function for seamless integration into your vehicle.
  • All wear components, including brushes, bushings, and bearings, are replaced with new parts to enhance durability and extend product lifespan.
  • Electronically tested critical components and 100% unit testing guarantee optimal performance and dependability.
  • Backed by an industry-leading warranty for added peace of mind and confidence in product quality.
  • Technical support available from ASE Certified Technicians for troubleshooting, installation assistance, and product inquiries.
See More

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.8243-5A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$191.99
Carquest Premium Alternators are meticulously remanufactured to deliver exceptional reliability and performance. Designed to meet or exceed OE quality standards, this alternator ensures a perfect fit, form, and function for your vehicle. With a robust 110-amp output and 12.0 VDC voltage, it provides consistent power for demanding electrical systems. The remanufacturing process includes replacing all wear components, such as brushes, bushings, and bearings, with brand-new parts, ensuring long-lasting durability. Each unit undergoes triple testing, from individual components to final assembly, guaranteeing dependable service. Featuring a clockwise rotation direction and belonging to the trusted Delco family, this alternator is engineered for precision and reliability. For added support, Carquest offers a Tech Hotline staffed by ASE Certified Technicians, ensuring expert assistance when needed. Choose this alternator for a premium solution that combines quality craftsmanship, rigorous testing, and dependable performance.

Product Features:
  • Each unit is triple-tested to ensure quality and performance
  • All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
  • Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
  • Designed to meet or exceed OE quality standards, ensuring a perfect fit, form, and function for seamless integration into your vehicle.
  • Provides a robust 110-amp output to reliably support demanding electrical systems and maintain consistent power delivery.
See More

Carquest Standard – Alternator: Remanufactured, 63 Amps, 1 Year Limited Warranty (Part No.P7127SEAV)

Alternator: Remanufactured, 63 Amps, 1 Year Limited Warranty

from

$124.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

WAI – Alternator: 100% NEW, 125 Amps (Part No.13771N)

Alternator: 100% NEW, 125 Amps

from

$225.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

WAI – Alternator: 100% NEW, 105 Amps (Part No.13989N)

Alternator: 100% NEW, 105 Amps

from

$225.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 efficiency, the alternator’s low saturation voltage minimizes heat dissipation, ensuring optimal performance under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

WAI – Alternator: 100% NEW, 100 Amps (Part No.7157MN)

Alternator: 100% NEW, 100 Amps

from

$175.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 superior durability and long-lasting performance, ensuring reliable operation to keep your vehicle powered and running smoothly.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

Carquest Premium – Alternator: Remanufactured, 63 Amps, Limited Lifetime Warranty (Part No.7127-1WA)

Alternator: Remanufactured, 63 Amps, Limited Lifetime Warranty

from

$129.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Standard – Alternator: Remanufactured, 78 Amps, 1 Year Limited Warranty (Part No.7273-9AV)

Alternator: Remanufactured, 78 Amps, 1 Year Limited Warranty

from

$94.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest HD Electrical – Alternator: New, 63 Amps, With Pulley (Part No.71-7127-SEN)

Alternator: New, 63 Amps, With Pulley

from

$151.99
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.

Product Features:


    Product Features:
    • Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
    • Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
    • Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
    • Rotor shafts CNC machined & precision balanced to eliminate vibration
    • Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
    • Load dump protection ensures transient voltage spikes do not damage transistor
    • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Most Popular Alternators for 2003 Chevrolet Impalas

Enhance your 2003 Chevrolet Impala with one of the 6 Alternators we have in stock, starting at just $187.99.

Carquest Premium – Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty (Part No.13771A)

Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty

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.

Product Features:
  • Remanufactured to meet or exceed OE specifications, ensuring reliable fit, form, and function for seamless integration into your vehicle.
  • All wear components, including brushes, bushings, and bearings, are replaced with new parts to enhance durability and extend product lifespan.
  • Electronically tested critical components and 100% unit testing guarantee optimal performance and dependability.
  • Backed by an industry-leading warranty for added peace of mind and confidence in product quality.
  • Technical support available from ASE Certified Technicians for troubleshooting, installation assistance, and product inquiries.
See More

Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.8287A)

Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty

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.

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: 100% NEW, 125 Amps (Part No.13771N)

Alternator: 100% NEW, 125 Amps

from

$225.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

WAI – Alternator: 100% NEW, 105 Amps (Part No.8287N-6G1)

Alternator: 100% NEW, 105 Amps

from

$187.99
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.

Product Features:
  • 100% NEW unit and all components.
  • 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 advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

Bosch – Alternator: New, 125 Amps (Part No.F4000128935BOS)

Alternator: New, 125 Amps

from

$349.74
Bosch has been a major supplier of new alternators and starters to OE vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators and starters. Whether 100% remanufactured or new, Bosch Premium Alternators and Starters are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions. That’s why they are preferred by more professional installers.

Product Features:


Product Features:
  • Built with original equipment quality components to withstand excessive heat and high electrical demand
  • Identical in fit and performance to the OE parts they replace
  • The perfect solution for certain problematic late-model applications that place an extreme burden on unit components in a high-heat environment
  • 100% full-load tested for proven starting/charging performance
  • Lifetime warranty
See More

ACDelco – Alternator: Remanufactured, 125 Amps (Part No.F4000582890ACD)

Alternator: Remanufactured, 125 Amps

from

$323.76
ACDelco’s Professional Remanufactured Alternators are the ideal high quality replacement for many vehicles on the road today. ACDelco’s Professional Remanufactured Alternators use high-quality bearings with high-temp lube and double-lipped rubber seals. Rotors and stators are electronically tested and then sealed with secondary insulating coating. Remanufacturing alternators is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear and failure with new components. Damaged and obsolete parts are replaced and are 100% end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing also benefits the environment by returning components back into service rather than processing as scrap or simply disposing of them. These premium aftermarket reman alternators are manufactured to fit a wide range of vehicles and will provide the same performance, durability, and service life you expect from ACDelco.

Product Features:


Product Features:
  • Remanufactured using consistent quality processes; not just rebuilt
  • Alternators use high-quality bearings with high-temp lube and double-lipped rubber seals, reducing friction, vibration, and noise
  • Rotors and stators are electronically tested and then sealed with secondary insulating coating to help prevent shorts
  • All units are 100% performance tested and inspected to ensure they meet ACDelco quality design and component specifications
  • Remanufactured alternators contribute to environmental sustainability by reusing components, reducing waste, and minimizing the need for new raw materials.
See More

Top-Rated Alternator Part Brands For Your 2003 Chevrolet Impala

When it comes to finding the perfect Alternator Part for your 2003 Chevrolet Impala, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 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 $214.99. Purchasing a Alternator Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Chevrolet Impala, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2003 Chevrolet Impala Alternator Parts

If you’re looking for a top-quality Alternator Part for your 2003 Chevrolet Impala, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Alternator Parts. We have 2 Carquest Premium Alternator Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $214.99, you’ll find the perfect Alternator Part for your needs and budget. Carquest Premium Alternator Parts for the 2003 Chevrolet Impala come highly rated, with over 30 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, 105 Amps, Limited Lifetime Warranty
from $214.99
(27)
Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty
“Easy to install, works great for the price. Great solution for an older car. Part looked super clean.”

FAQs for 2003 Chevrolet Impala Alternator Parts

What are the best-selling Alternator Parts for 2003 Chevrolet Impalas?

Out of 6 Alternator Parts that fit 2003 Chevrolet Impalas, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Impala Alternator Parts?

The prices of Alternator Parts for the 2003 Chevrolet Impala range from $187.99 up to $349.74 for the most premium parts.

What is the average price of an Alternator Part for a 2003 Chevrolet Impala?

The average price for Alternator Parts for the 2003 Chevrolet Impala is $258.32. 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.

Does Advance Auto Parts sell Alternator Parts for other Chevrolet Impala model years?

Yes, we carry Alternator Parts for 50 model years of Chevrolet Impalas between 1958 and 2020. The following model years are the most popular for Alternator Part purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Alternator Parts for my 2003 Chevrolet Impala?

The cheapest 2003 Chevrolet Impala Alternator Parts we carry are:

Does Advance Auto Parts sell Alternator Parts for any other 2003 Chevrolet models?

Yes. We stock Alternator Parts for 32 other popular 2003 Chevrolet models. Some of the most popular are 2003 Tahoe Alternator Parts, 2003 Silverado 1500 Alternator Parts, 2003 Malibu Alternator Parts, 2003 Suburban 1500 Alternator Parts, and 2003 Monte Carlo Alternator Parts.

What are the top-rated Alternator Parts that fit the 2003 Chevrolet Impala?

The one 2003 Chevrolet Impala Alternator Part we have in stock is the Alternator: 100% NEW, 105 Amps. It costs $187.99.

What types of Alternator Parts do you sell for my 2003 Chevrolet Impala?

We currently have just 1 Alternator Part in stock for a 2003 Chevrolet Impala, and as of 3/1/26, it is an Alternator.

Can I get help with 2003 Chevrolet Impala Alternator Part orders?

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

What is your return policy for Chevrolet Impala Alternator Parts?

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