2004 Audi A6 Quattro Alternator Parts

Keep Your 2004 Audi A6 Quattro 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 2004 Audi A6 Quattro 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 $259.99 with an average 4.4 star rating. With over 1 reviews and a solid 4 star average, you can shop with confidence knowing other Audi A6 Quattro 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 2004 Audi A6 Quattro in peak condition, inside and out.

Essential 2004 Audi A6 Quattro Alternator Parts

Valeo – Alternator: New, 180 Amps (Part No.439798)

Alternator: New, 180 Amps

from

$654.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Designed with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring long-lasting durability compared to remanufactured units. Featuring premium rare earth magnets, it achieves superior efficiency by increasing output without enlarging its size. With an impressive 180-amp rating and 12 VDC voltage, this alternator is engineered for demanding electrical needs. Its application-specific design guarantees an exact fit, while rigorous testing under extreme conditions for up to six months ensures reliability in the harshest environments. Resistant to heat, vibration, and contaminants, it maintains maximum charge output even under challenging circumstances. As the original equipment part now available in the aftermarket, Valeo’s alternator combines innovation and quality, boosting fuel economy and eliminating voltage drops. Perfect for those seeking unmatched performance and durability, this alternator is a leader in its class.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439798 is the original equipment part now available in the aftermarket.
See More

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11108A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$287.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty (Part No.11375A)

Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty

from

$1468.99
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

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL9384X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$493.99
The Bosch Premium Alternator, delivering 150 amps at 12 VDC, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures dependable operation under demanding conditions. Unlike rebuilt units, it is 100% factory-tested and remanufactured using high-quality materials and cutting-edge technology, guaranteeing long-lasting durability. Designed with a clockwise rotation direction, it is built to seamlessly integrate into your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for better performance, this premium unit offers unmatched value and peace of mind.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered for seamless integration into your vehicle’s electrical system, ensuring optimal compatibility and performance.
    • Designed with a clockwise rotation direction to enhance operational efficiency and reliability.
See More

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.15093A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$358.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty (Part No.11213A)

Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty

from

$481.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.13922A)

Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty

from

$259.99
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, 180 Amps, Limited Lifetime Warranty (Part No.11495A)

Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty

from

$505.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11612A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$658.99
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

Valeo – Alternator: New, 150 Amps (Part No.439574)

Alternator: New, 150 Amps

from

$329.99
The Valeo premium alternator, boasting a robust 150-amp output and 12 VDC voltage, is engineered for superior performance and reliability. As a 100% new product, it eliminates the risks associated with remanufactured units, ensuring long-lasting durability. Designed with premium rare earth magnets, this alternator delivers enhanced efficiency without increasing its size, making it ideal for modern vehicles. Its application-specific design guarantees an exact fit, while rigorous testing under extreme conditions for up to six months ensures reliability in the harshest environments. With high resistance to heat, vibration, and contaminants, it maintains maximum charge output even under demanding electrical loads. The clockwise rotation direction and original equipment part number 439574 make it a perfect aftermarket replacement for seamless compatibility. Recognized for innovation, Valeo alternators improve fuel economy and eliminate voltage drops, offering exceptional value for drivers seeking dependable performance.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439574 is the original equipment part now available in the aftermarket.
See More

Carquest Premium – Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty (Part No.11852A)

Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty

from

$651.99
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

Valeo – Alternator: New, 180 Amps (Part No.439554)

Alternator: New, 180 Amps

from

$414.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Built with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring long-lasting durability compared to remanufactured units. Designed with application-specific parts for an exact fit, it features premium rare earth magnets that enhance output efficiency without increasing size. With an impressive 180-amp rating and 12 VDC voltage, this alternator is engineered to meet demanding electrical requirements. Tested under extreme conditions for up to six months, it withstands heat, vibration, and contaminants to maintain maximum charge output. The clockwise rotation direction and original equipment part number 439554 ensure compatibility and seamless integration into your vehicle. Recognized for innovation, Valeo alternators boost fuel economy and eliminate voltage drops, making them a smart investment for performance and reliability.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439554 is the original equipment part now available in the aftermarket.
See More

Carquest Premium – Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty (Part No.11162A)

Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty

from

$299.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL0831X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$334.99
The Bosch Premium Alternator, delivering 150 amps and 12 VDC, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures dependable operation under demanding conditions. Unlike rebuilt units, it is 100% factory-tested and remanufactured using high-quality materials and cutting-edge technology, offering superior durability and longevity. Designed with a clockwise rotation direction, it is built to seamlessly integrate with your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for enhanced performance, this Bosch alternator provides the power and dependability you need to keep your vehicle running smoothly.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered for seamless integration with your vehicle’s electrical system, ensuring optimal compatibility and performance.
    • Designed with a clockwise rotation direction to enhance operational efficiency and reliability.
See More

Bosch – Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty (Part No.AL9452X)

Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty

from

$532.99
The Bosch Premium Alternator, delivering a robust 180-amp output at 12 VDC, is engineered for exceptional performance and reliability. Designed with precision, it undergoes full-load testing to meet Bosch’s stringent performance standards, ensuring dependable operation in demanding conditions. Unlike rebuilt units, this alternator is 100% factory-tested and remanufactured using high-quality materials and cutting-edge technology, offering superior durability and longevity. Its clockwise rotation direction and advanced construction make it a reliable choice for maintaining your vehicle’s electrical system. Built to last, this alternator provides excellent value by combining premium craftsmanship with trusted performance.

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.
    • Precision-designed clockwise rotation enhances compatibility and efficiency within the vehicle’s electrical system.
See More

Carquest Premium – Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (Part No.42060A)

Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty

from

$944.99
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

Bosch – Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty (Part No.AL9365X)

Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty

from

$359.99
The Bosch Premium Alternator, remanufactured to deliver 180 amps of power, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent operation under demanding conditions. With a 12 VDC voltage rating and clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Built using high-quality materials and advanced technological developments, it offers superior durability and long-lasting functionality. Unlike rebuilt units, this alternator is 100% factory tested and remanufactured to guarantee optimal performance. Whether you’re upgrading or replacing, this alternator provides dependable power and value for your investment.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered for seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
    • Delivers dependable power output of 180 amps, ensuring consistent performance under demanding conditions.
See More

WAI – Bosch Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11065N)

Bosch Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$307.99
This 150-amp alternator from WAI is engineered to deliver exceptional performance and reliability, making it a top choice for aftermarket replacements. Designed to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage, while its low saturation voltage minimizes heat dissipation for enhanced durability. Featuring a high-power rectifier assembly with open junction press-fit diodes, this alternator is built to run cooler and more efficiently. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its performance from the moment it powers on. With WAI’s commitment to quality, this alternator offers long-lasting value and dependable operation 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.
  • Built for enhanced durability, this alternator features advanced engineering that minimizes heat dissipation, ensuring reliable and long-lasting performance under demanding conditions.
See More

Carquest Premium – Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty (Part No.11222A)

Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty

from

$225.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty (Part No.14061A)

Alternator: Remanufactured, 180 Amps, Limited Lifetime Warranty

from

$482.99
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

Valeo – Alternator: New, 180 Amps (Part No.439867)

Alternator: New, 180 Amps

from

$714.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Built with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring superior durability compared to remanufactured units. Designed with application-specific parts for an exact fit, it features premium rare earth magnets that enhance output efficiency without increasing size. With an impressive 180-amp rating and 14 VDC voltage, this alternator is engineered to meet demanding electrical needs while maintaining high resistance to heat, vibration, and contaminants. Rigorous testing under extreme conditions for up to six months guarantees reliability in the harshest environments. As the original equipment part now available in the aftermarket, Part Number 439867 reflects Valeo’s commitment to innovation and quality. Ideal for boosting fuel economy and eliminating voltage drops, this alternator is a smart investment for long-lasting performance and efficiency.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439867 is the original equipment part now available in the aftermarket.
See More

Bosch – Alternator: Remanufactured, 120 Amps, 2 Year Limited Warranty (Part No.AL0803X)

Alternator: Remanufactured, 120 Amps, 2 Year Limited Warranty

from

$386.99
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 output and 12 VDC voltage, this alternator ensures consistent power delivery for all your vehicle’s needs. Engineered with precision, it features full-load testing to meet Bosch’s stringent performance standards and is 100% factory tested for quality assurance. Unlike rebuilt units, this alternator is remanufactured using high-quality materials and cutting-edge technology, ensuring long-lasting durability. Its clockwise rotation direction and advanced design make it a dependable replacement part that stands up to demanding conditions. Choose Bosch for a premium alternator that combines superior craftsmanship with unmatched value.

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.
    • Delivers consistent 120-amp output to support a wide range of vehicle electrical demands.
See More

Valeo – Alternator: New (Part No.439938)

Alternator: New

from

$799.99
As a pioneer in automotive electrical systems since 1923, Valeo delivers OE-quality alternators trusted by global vehicle manufacturers. Valeo alternators are 100% new never remanufactured and are engineered with premium rare earth magnets to enhance power output without increasing unit size. Each unit is tested for up to 1,000 hours in extreme thermal, vibration, and electrical Conditions to guarantee long-lasting reliability. Designed for seamless OE fitment, Valeo alternators help improve charging efficiency and reduce CO emissions, making them the ideal solution for both performance and sustainability.

Product Features:


    Product Features:
    • 100% NEW PRODUCT – Valeo alternators are 100% new, not remanufactured, eliminating the risk of premature failure
    • OE FIT – Application-specific design ensures exact fit and seamless integration with vehicle systems
    • HIGH-EFFICIENCY OUTPUT – Premium rare earth magnets deliver higher charging power without increasing unit size
    • EXTREME TESTING – Each alternator undergoes up to 1,000 hours of load and thermal cycle testing for proven durability
    • BUILT TO LAST – Resistant to heat, vibration, and contaminants for long-term, reliable performance.
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Carquest Premium – Alternator: Remanufactured, 180 Amps (Part No.42050A)

Alternator: Remanufactured, 180 Amps

from

$589.99
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

Valeo – Alternator: New, 180 Amps (Part No.439951)

Alternator: New, 180 Amps

from

$929.99
The Valeo premium alternator, boasting a robust 180-amp output and 12 VDC voltage, is engineered for exceptional performance and reliability. As a global leader in electrical systems since 1923, Valeo delivers innovation with award-winning technology that eliminates voltage drops and enhances fuel economy. This 100% new alternator, featuring premium rare earth magnets, ensures superior efficiency without increasing size, while its application-specific design guarantees an exact fit. Rigorous testing under extreme conditions for up to six months ensures durability against heat, vibration, and contaminants, making it ideal for demanding environments. With high resistance to wear and tear, this alternator maintains maximum charge output, reducing the risk of premature failure compared to remanufactured units. Part Number 439951, originally an OE component, is now available in the aftermarket, offering unmatched reliability and value. Designed for clockwise rotation and part of the Valeo OE family, this alternator is a top-tier choice for maintaining peak electrical performance.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439951 is the original equipment part now available in the aftermarket.
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL0797X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$409.99
The Bosch Premium Alternator is engineered for exceptional performance and reliability, making it a top choice for demanding automotive needs. With a robust 150-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for your vehicle’s electrical systems. It is remanufactured using high-quality aluminum and advanced technology, ensuring durability and long-lasting performance. Each unit is 100% factory tested and full-load tested to meet Bosch’s stringent performance standards, providing peace of mind and dependable operation. Designed to rotate clockwise, it is built to handle the toughest conditions while maintaining peak efficiency. Whether you’re replacing a worn-out alternator or upgrading for better performance, this premium option delivers unmatched value and reliability.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered for peak efficiency, the clockwise rotation design ensures optimal performance under demanding conditions.
    • Provides consistent 12 VDC power output, supporting reliable operation of your vehicle’s electrical systems.
See More

WAI – Bosch Ir/If 120 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.13922N)

Bosch Ir/If 120 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$268.99
This 120-amp 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, equipped with open junction press-fit diodes, keeps 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. Designed for long-lasting efficiency, this alternator is a dependable solution for your vehicle’s electrical needs.

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 long-lasting efficiency even under demanding conditions.
See More

Valeo – Alternator: 120 Amps (Part No.439263)

Alternator: 120 Amps

from

$354.99
The 120 Amp Valeo alternator is a premium solution designed to deliver exceptional performance and reliability. Built with 100% new components and core, it eliminates the risk of premature failure, offering superior durability compared to remanufactured units. Engineered with application-specific parts for an exact fit, this alternator ensures seamless integration into your vehicle’s electrical system. Featuring premium rare earth magnets, it maximizes output efficiency without increasing size, making it a compact yet powerful choice. Tested under extreme conditions for up to six months, it guarantees reliability even in the harshest environments, with high resistance to heat, vibration, and contaminants. With a 12 VDC voltage rating, 120 Amp output, and clockwise rotation, this original equipment part (Part Number 439263) is now available in the aftermarket, providing the same trusted quality as factory-installed components. Ideal for maintaining maximum charge output, this Valeo alternator is a smart investment for enhanced fuel economy and long-lasting performance.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439263 is the original equipment part now available in the aftermarket.
See More

Most Popular Alternators for 2004 Audi A6 Quattros

Enhance your 2004 Audi A6 Quattro with one of the 9 Alternators we have in stock, starting at just $259.99.

Carquest Premium – Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty (Part No.13922A)

Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty

from

$259.99
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

Bosch – Alternator: New, 150 Amps (Part No.AL0831N)

Alternator: New, 150 Amps

from

$564.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With an impressive 150-amp amperage rating and a 14 VDC voltage output, this alternator ensures consistent power delivery to support your vehicle’s demanding electrical needs. Designed for clockwise rotation, it integrates seamlessly into compatible systems, providing smooth and efficient operation. Built with premium materials and tested rigorously, this alternator is engineered for durability and long-lasting performance, reducing the need for frequent replacements. Whether you’re upgrading or replacing, this alternator offers outstanding value by combining high-quality construction with dependable functionality.

Product Features:


Product Features:
  • Provides a robust 150-amp amperage rating to meet the high electrical demands of modern vehicles.
  • Delivers a consistent 14 VDC voltage output for reliable power supply to essential vehicle systems.
  • Engineered with premium materials for enhanced durability and long-lasting performance.
  • Designed for clockwise rotation to ensure seamless integration and smooth operation in compatible systems.
  • Rigorously tested for reliability, reducing the need for frequent replacements and offering exceptional value.
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL0797X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$409.99
The Bosch Premium Alternator is engineered for exceptional performance and reliability, making it a top choice for demanding automotive needs. With a robust 150-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for your vehicle’s electrical systems. It is remanufactured using high-quality aluminum and advanced technology, ensuring durability and long-lasting performance. Each unit is 100% factory tested and full-load tested to meet Bosch’s stringent performance standards, providing peace of mind and dependable operation. Designed to rotate clockwise, it is built to handle the toughest conditions while maintaining peak efficiency. Whether you’re replacing a worn-out alternator or upgrading for better performance, this premium option delivers unmatched value and reliability.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Engineered for peak efficiency, the clockwise rotation design ensures optimal performance under demanding conditions.
  • Provides consistent 12 VDC power output, supporting reliable operation of your vehicle’s electrical systems.
See More

Valeo – Alternator: 120 Amps (Part No.439263)

Alternator: 120 Amps

from

$354.99
The 120 Amp Valeo alternator is a premium solution designed to deliver exceptional performance and reliability. Built with 100% new components and core, it eliminates the risk of premature failure, offering superior durability compared to remanufactured units. Engineered with application-specific parts for an exact fit, this alternator ensures seamless integration into your vehicle’s electrical system. Featuring premium rare earth magnets, it maximizes output efficiency without increasing size, making it a compact yet powerful choice. Tested under extreme conditions for up to six months, it guarantees reliability even in the harshest environments, with high resistance to heat, vibration, and contaminants. With a 12 VDC voltage rating, 120 Amp output, and clockwise rotation, this original equipment part (Part Number 439263) is now available in the aftermarket, providing the same trusted quality as factory-installed components. Ideal for maintaining maximum charge output, this Valeo alternator is a smart investment for enhanced fuel economy and long-lasting performance.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439263 is the original equipment part now available in the aftermarket.
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL0831X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$334.99
The Bosch Premium Alternator, delivering 150 amps and 12 VDC, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures dependable operation under demanding conditions. Unlike rebuilt units, it is 100% factory-tested and remanufactured using high-quality materials and cutting-edge technology, offering superior durability and longevity. Designed with a clockwise rotation direction, it is built to seamlessly integrate with your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for enhanced performance, this Bosch alternator provides the power and dependability you need to keep your vehicle running smoothly.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Engineered for seamless integration with your vehicle’s electrical system, ensuring optimal compatibility and performance.
  • Designed with a clockwise rotation direction to enhance operational efficiency and reliability.
See More

Valeo – Alternator: New, 150 Amps (Part No.439574)

Alternator: New, 150 Amps

from

$329.99
The Valeo premium alternator, boasting a robust 150-amp output and 12 VDC voltage, is engineered for superior performance and reliability. As a 100% new product, it eliminates the risks associated with remanufactured units, ensuring long-lasting durability. Designed with premium rare earth magnets, this alternator delivers enhanced efficiency without increasing its size, making it ideal for modern vehicles. Its application-specific design guarantees an exact fit, while rigorous testing under extreme conditions for up to six months ensures reliability in the harshest environments. With high resistance to heat, vibration, and contaminants, it maintains maximum charge output even under demanding electrical loads. The clockwise rotation direction and original equipment part number 439574 make it a perfect aftermarket replacement for seamless compatibility. Recognized for innovation, Valeo alternators improve fuel economy and eliminate voltage drops, offering exceptional value for drivers seeking dependable performance.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439574 is the original equipment part now available in the aftermarket.
See More

WAI – Bosch Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11065N)

Bosch Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$307.99
This 150-amp alternator from WAI is engineered to deliver exceptional performance and reliability, making it a top choice for aftermarket replacements. Designed to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage, while its low saturation voltage minimizes heat dissipation for enhanced durability. Featuring a high-power rectifier assembly with open junction press-fit diodes, this alternator is built to run cooler and more efficiently. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its performance from the moment it powers on. With WAI’s commitment to quality, this alternator offers long-lasting value and dependable operation 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.
  • Built for enhanced durability, this alternator features advanced engineering that minimizes heat dissipation, ensuring reliable and long-lasting performance under demanding conditions.
See More

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11108A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$287.99
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 – Bosch Ir/If 120 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.13922N)

Bosch Ir/If 120 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$268.99
This 120-amp 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, equipped with open junction press-fit diodes, keeps 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. Designed for long-lasting efficiency, this alternator is a dependable solution for your vehicle’s electrical needs.

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 long-lasting efficiency even under demanding conditions.
See More

Top-Rated Alternator Part Brands For Your 2004 Audi A6 Quattro

When it comes to finding the perfect Alternator Part for your 2004 Audi A6 Quattro, 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 $259.99. Purchasing a Alternator Part from us here at Advance Auto Parts is a smart move for both you and your 2004 Audi A6 Quattro, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2004 Audi A6 Quattro Alternator Parts

If you’re looking for a top-quality Alternator Part for your 2004 Audi A6 Quattro, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Alternator Parts. We have 1 Carquest Premium Alternator Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $259.99, you’ll find the perfect Alternator Part for your needs and budget. Carquest Premium Alternator Parts for the 2004 Audi A6 Quattro come highly rated, with over 1 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, 120 Amps, Limited Lifetime Warranty
from $259.99
(1)
Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty
“So far so good. No complaints. Bigger than OE but 30 more amps. Would buy again. Just wish they carried higher output alternators.”

FAQs for 2004 Audi A6 Quattro Alternator Parts

What are the best-selling Alternator Parts for 2004 Audi A6 Quattros?

Out of 9 Alternator Parts that fit 2004 Audi A6 Quattros, the following parts are the top sellers:

What’s the price range for 2004 Audi A6 Quattro Alternator Parts?

The prices of Alternator Parts for the 2004 Audi A6 Quattro range from $259.99 up to $564.99 for the most premium parts.

What is the average price of an Alternator Part for a 2004 Audi A6 Quattro?

The average price for Alternator Parts for the 2004 Audi A6 Quattro is $358.30. 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 Audi A6 Quattro model years?

Yes, we carry Alternator Parts for 22 model years of Audi A6 Quattros between 1995 and 2018. The following model years are the most popular for Alternator Part purchases: 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, and 2008.

What are the cheapest Alternator Parts for my 2004 Audi A6 Quattro?

Does Advance Auto Parts sell Alternator Parts for any other 2004 Audi models?

Yes. We stock Alternator Parts for 6 other popular 2004 Audi models. Some of the most popular are 2004 A4 Quattro Alternator Parts, 2004 A4 Alternator Parts, 2004 A6 Alternator Parts, 2004 TT Quattro Alternator Parts, and 2004 Allroad Quattro Alternator Parts.

What are the top-rated Alternator Parts that fit the 2004 Audi A6 Quattro?

The one 2004 Audi A6 Quattro Alternator Part we have in stock is the Alternator: Remanufactured, 120 Amps, Limited Lifetime Warranty. It is rated 4 stars and costs $259.99.

What types of Alternator Parts do you sell for my 2004 Audi A6 Quattro?

We currently have just 1 Alternator Part in stock for a 2004 Audi A6 Quattro, and as of 11/2/25, it is an Alternator.

Can I get help with 2004 Audi A6 Quattro Alternator Part orders?

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

What is your return policy for Audi A6 Quattro Alternator Parts?

Advance Auto Parts keeps returns simple. For new Audi A6 Quattro Alternator Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.