2009 Audi A4 Quattro Alternators

Enhance and Protect Your 2009 Audi A4 Quattro with Quality Alternators

Maintaining the performance of your 2009 Audi A4 Quattro starts with choosing the right parts, and high-quality Alternators help ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Alternators specifically for the 2009 Audi A4 Quattro, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Alternators for Every Budget

Finding affordable, quality Alternators is easy at Advance Auto Parts. With prices starting as low as $239.99 and an average price of $455.12, you can choose one that fits your budget while delivering the quality you expect. Our Alternators are competitively priced, ranging from $239.99 to $731.99, so you get value without compromising on strength or reliability.

Alternators for Your 2009 Audi A4 Quattro

Carquest Premium – Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty (Part No.11466A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$254.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Carquest Premium – Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty (Part No.23255A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$246.99
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.11070A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$262.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

WAI – Alternator: New, 150 Amps (Part No.11070N)

Alternator: New, 150 Amps

from

$343.99
This 150-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. The advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while its low saturation voltage minimizes heat dissipation for enhanced durability. Equipped with a high-power rectifier assembly featuring open junction press-fit diodes, this alternator is designed to run cooler and more efficiently. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Ideal for those who demand quality and dependability, this alternator is built to deliver consistent power and long-lasting value.

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 advanced construction minimizes heat dissipation, ensuring consistent performance and long-lasting reliability.
See More

Carquest Premium – Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty (Part No.23256A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$239.99
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.11461A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$470.99
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, 140 Amps, Limited Lifetime Warranty (Part No.11467A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$307.99
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: New, 150 Amps, Limited Lifetime Warranty (Part No.AL0825N)

Alternator: New, 150 Amps, Limited Lifetime Warranty

from

$404.99
The Bosch Premium Alternator, delivering a robust 150-amp output at 14 VDC, is engineered for exceptional performance and reliability. Featuring 100% new components, it is built to endure the harshest environments, ensuring long-lasting functionality even under excessive heat and high electrical demands. Designed with precision, all mounting points are 100% gauged, resized, or rethreaded for a perfect fit, making installation seamless. Its clockwise rotation direction ensures compatibility with a wide range of vehicles. As an added benefit, every purchase includes free 24-hour Roadside Assistance Protection, offering peace of mind on the road. Choose this alternator for unmatched durability, superior performance, and outstanding value.

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
  • Engineered for seamless compatibility with a wide range of vehicles, the clockwise rotation direction ensures optimal performance and reliability.
See More

Valeo – Alternator: New, 140 Amps (Part No.439393)

Alternator: New, 140 Amps

from

$579.99
The Valeo premium alternator delivers exceptional performance and reliability, boasting a robust 140-amp output and 12 VDC voltage. Designed with 100% new components and core, it eliminates the risk of premature failure, ensuring superior durability compared to remanufactured units. Engineered for an exact fit with application-specific parts, this alternator integrates premium rare earth magnets to maximize efficiency without increasing size. Tested under extreme conditions for up to six months, it guarantees reliability even in the harshest environments, withstanding heat, vibration, and contaminating particles to maintain maximum charge output. Its innovative design not only boosts fuel economy but also eliminates voltage drops, making it a top choice for demanding electrical systems. With a clockwise rotation direction and award-winning technology, this alternator is a testament to Valeo’s legacy of excellence in automotive electrical systems since 1923.

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
See More

Valeo – Alternator: New, 140 Amps (Part No.443255)

Alternator: New, 140 Amps

from

$499.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for demanding 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 for an exact fit with application-specific parts, it offers seamless compatibility and hassle-free installation. Featuring premium rare earth magnets, it achieves superior efficiency by increasing output without enlarging its size. With an impressive 140-amp rating and 14 VDC voltage, this alternator is engineered to handle high electrical demands. Rigorous testing under extreme conditions for up to six months guarantees reliability in the harshest environments, while its resistance to heat, vibration, and contaminants ensures consistent maximum charge output. Recognized for innovation, Valeo alternators enhance fuel economy and eliminate voltage drops, making them a valuable investment for any vehicle.

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
See More

Bosch – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.AL9382X)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$731.99
The Bosch Premium Alternator, remanufactured to deliver 150 amps, is engineered for exceptional performance and reliability. Designed with cutting-edge technology and high-quality materials, this alternator is built to last, ensuring long-term durability. It operates at 12 VDC with a clockwise rotation direction, making it a dependable choice for your vehicle’s electrical system. Each unit undergoes 100% factory testing and full-load testing to meet Bosch’s rigorous performance standards, guaranteeing optimal functionality. Unlike rebuilt units, these alternators are remanufactured to provide like-new performance, offering superior value and peace of mind. Whether you’re replacing a worn-out alternator or upgrading for better efficiency, this premium component ensures your vehicle stays powered and ready for the road.

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.
  • Designed for optimal efficiency, delivering 150 amps to support your vehicle’s electrical system seamlessly.
See More

Bosch – Alternator: New, 140 Amps (Part No.AL0891N)

Alternator: New, 140 Amps

from

$663.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With an impressive amperage rating of 140 amps and a voltage output of 14 VDC, 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 precision and tested rigorously, this alternator is engineered to withstand the challenges of daily driving, offering long-lasting durability and dependable functionality. Whether you’re upgrading or replacing, the Bosch Premium Alternator is a valuable investment that combines advanced engineering with trusted reliability to keep your vehicle running at its best.

Product Features:


Product Features:
  • Provides a robust 140-amp output to meet the high electrical demands of modern vehicles.
  • Delivers a stable 14 VDC voltage for consistent and reliable power supply to essential systems.
  • Engineered for clockwise rotation, ensuring seamless integration with compatible vehicle setups.
  • Built with precision and rigorously tested for durability, offering dependable performance under daily driving conditions.
  • Designed to enhance vehicle functionality with advanced engineering and trusted reliability.
See More

Bosch – Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty (Part No.AL9375X)

Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty

from

$595.99
The Bosch Premium Alternator, delivering 140 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 remanufactured, guaranteeing superior quality and consistency. Built with high-quality materials and advanced technology, it offers long-lasting durability and optimal functionality. Designed for clockwise rotation, this alternator is a reliable choice for maintaining your vehicle’s electrical system. Whether you’re replacing a worn-out unit or upgrading for better performance, this alternator provides outstanding 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.
  • Designed for clockwise rotation to ensure compatibility and seamless integration with your vehicle’s electrical system.
  • Provides reliable 140-amp output to support demanding electrical needs and maintain consistent performance.
See More

Carquest Professional – Alternator: New, 140 Amps, Limited Lifetime Warranty (Part No.23255AN)

Alternator: New, 140 Amps, Limited Lifetime Warranty

from

$586.99
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

Bosch – Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty (Part No.AL9381X)

Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty

from

$553.99
Bosch Premium Alternators deliver exceptional performance and reliability, making them a top choice for demanding automotive applications. This remanufactured unit is full-load tested to ensure compliance with Bosch’s rigorous performance standards, guaranteeing dependable operation. With an impressive 140-amp amperage rating and 12 VDC voltage, it provides robust power output for modern vehicle systems. Engineered with high-quality materials and advanced technology, this alternator is built to last, offering long-term durability and value. Its clockwise rotation direction ensures compatibility with a wide range of vehicles, while the 100% factory testing process ensures consistent quality and reliability. Whether you’re replacing a worn-out alternator or upgrading for better performance, this Bosch unit is designed to meet and exceed expectations.

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.
  • Provides robust 140-amp power output, ensuring reliable performance for modern vehicle systems.
  • Engineered with a clockwise rotation direction for compatibility with a wide range of automotive applications.
See More

Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL9376X)

Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty

from

$522.99
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 enhanced performance, this Bosch alternator 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.
  • Seamlessly integrates with your vehicle’s electrical system for reliable and efficient operation.
  • Engineered for demanding conditions, ensuring consistent performance and peace of mind.
See More

Bosch – Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty (Part No.AL0891X)

Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty

from

$519.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive applications. With a robust 140-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for your vehicle’s electrical systems. Engineered with high-quality materials and cutting-edge technology, it is built to last and withstand rigorous use. Its clockwise rotation direction and remanufactured design guarantee compliance with Bosch’s strict performance standards, offering a dependable solution for your vehicle. Each unit undergoes full-load and 100% factory testing to ensure optimal functionality and reliability. Whether you’re replacing a worn-out alternator or upgrading for better performance, this premium alternator provides unmatched durability and 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.
  • Provides consistent 140-amp power output to support demanding vehicle electrical systems.
See More

Valeo – Alternator: New, 150 Amps (Part No.439564)

Alternator: New, 150 Amps

from

$494.99
The Valeo premium alternator, boasting a robust 150-amp output and 12 VDC voltage, is engineered for superior 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 maximum 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 optimal charge output, reducing the risk of premature failure compared to remanufactured units. Part Number 439564, originally designed for OEM use, is now available in the aftermarket, offering unmatched reliability and value.

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 439564 is the original equipment part now available in the aftermarket.
See More

WAI – Bosch Ir/If 140 Amp/12 Volt, Cw, 6-Groove Clutch Pulley, Limited Lifetime Warranty (Part No.11466N)

Bosch Ir/If 140 Amp/12 Volt, Cw, 6-Groove Clutch Pulley, Limited Lifetime Warranty

from

$442.99
Alternator: New, 140 Amps by WAI delivers exceptional performance and reliability, making it a top choice for aftermarket replacements. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation for your vehicle. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. Its low saturation voltage minimizes heat dissipation, enhancing durability and performance. The high-power rectifier assembly features robust open junction press-fit diodes, keeping the unit cool even under demanding conditions. Each alternator comes with a printed copy of test results, providing transparency and confidence in its quality from the moment it powers on. With 140 amps of power, this alternator is built to handle your vehicle’s electrical demands while offering long-lasting reliability and value.

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.
  • Delivers 140 amps of power to efficiently handle your vehicle’s electrical demands, ensuring reliable performance and long-lasting value.
See More

Valeo – Alternator: New, 150 Amps (Part No.439498)

Alternator: New, 150 Amps

from

$414.99
The Valeo premium alternator, boasting a robust 150-amp output and 12 VDC voltage, is engineered for exceptional 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 superior efficiency without increasing 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. Resistant to heat, vibration, and contaminants, it maintains maximum charge output even under demanding electrical loads. With a clockwise rotation direction and original equipment part number 439498 now available in the aftermarket, this alternator is a perfect choice for those seeking top-tier performance and fuel economy. Recognized for innovation, Valeo’s alternators are trusted worldwide, offering unmatched value and reliability for your vehicle’s electrical system.

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 439498 is the original equipment part now available in the aftermarket.
See More

Bosch – Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty (Part No.AL0879X)

Alternator: Remanufactured, 140 Amps, 2 Year Limited Warranty

from

$414.99
The Bosch Premium Alternator, delivering 140 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 into your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for better performance, this Bosch alternator provides the power and dependability you need to keep your vehicle running smoothly.

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.11160A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$389.99
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
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FAQs for 2009 Audi A4 Quattro Alternators

Which Alternators are the top sellers for the 2009 Audi A4 Quattro?

Out of 22 Alternators that fit 2009 Audi A4 Quattros, the following parts are the top sellers:

How can I make sure that a part will be compatible with my 2009 Audi A4 Quattro?

Our Audi A4 Quattro aftermarket and OEM parts are designed specifically for the 2009 model. You can always find your specific fitment and compatibility for your 2009 Audi on an individual product page.

What is the price range for 2009 Audi A4 Quattro Alternators?

The range of prices of Alternators for the 2009 Audi A4 Quattro goes from $239.99 up to $731.99 for the most premium parts.

What is the average price of 2009 Audi A4 Quattro Alternators?

2009 Audi A4 Quattro Alternators average $455.12 for our selection of OEM and aftermarket parts.

Does Advance Auto Parts sell Alternators for other Audi A4 Quattro model years?

Yes, we currently stock Alternators for 23 model years of Audi A4 Quattros, from 1996 to 2020. Model years 2020, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010 are the most popular for Alternators purchases.

Can I get help with 2009 Audi A4 Quattro Alternators orders?

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

What is your return policy for Audi A4 Quattro Alternators?

Advance Auto Parts keeps returns simple. For new Audi A4 Quattro Alternators and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.