2004 Subaru Legacy Alternator Parts

Keep Your 2004 Subaru Legacy 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 Subaru Legacy looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Alternator Miscellaneous Parts, Alternators, and Commutator End Bearings. 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, DriveWorks, and Carquest Professional. For example, Carquest Premium Alternator Parts start at just $209.99 with an average 4.4 star rating. DriveWorks and Carquest Professional offer similar pricing and quality, backed by strong customer feedback. With over 332 reviews and a solid 3 star average, you can shop with confidence knowing other Subaru Legacy owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 Subaru Legacy Alternator Part at Advance Auto Parts is around $93.99, with a range that starts at $2.99 and goes up to $225.99. With 5 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Alternator: New, 90 Amps, Limited Lifetime Warranty, Ball Bearing, and Multi-Purpose Bearing start at just $13.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Alternator Part, don’t forget to check out other key components like Starter Parts and Voltage Regulator Parts. At Advance Auto Parts, we’re here to help you keep your 2004 Subaru Legacy in peak condition, inside and out.

Essential 2004 Subaru Legacy Alternator Parts

National – Multi-Purpose Bearing (Part No.201-CC)

Multi-Purpose Bearing

from

$17.49
Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Driveworks – Ball Bearing (Part No.S-201-CC)

Ball Bearing

from

$2.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Driveworks – Ball Bearing (Part No.SL-203-FF)

Ball Bearing

from

$13.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11556A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$244.99
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, 70 Amps (Part No.13275A)

Alternator: Remanufactured, 70 Amps

from

$173.99
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, 130 Amps, Limited Lifetime Warranty (Part No.10254A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$407.99
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 – Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11225N)

Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$249.99
The WAI 110 Amp alternator is a premium aftermarket solution designed to deliver reliable performance and durability. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation for your vehicle. Featuring advanced voltage regulator protection, this alternator is safeguarded against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. Its high-power rectifier assembly incorporates open junction press-fit diodes, optimizing heat dissipation to keep the unit running cool under demanding conditions. Each alternator comes with a printed copy of test results, providing transparency and confidence in its performance from the moment it powers on. Built for superior quality and long-lasting functionality, this alternator is an excellent choice for maintaining your vehicle’s electrical system.

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 with durability in mind, the alternator’s advanced design ensures consistent performance under demanding conditions, making it a reliable choice for maintaining your vehicle’s electrical system.
See More

OE+ – Alternator: Remanufactured (Part No.F40002246418IAP)

Alternator: Remanufactured

from

$374.10
Are you looking for a quality replacement part for your vehicle’s electrical system- Today’s remanufactured alternator is a complex combination of inner workings, and we completely remanufacture them to our own premium standard. All terminals are cleaned and replated. The slip rings are polished or replaced to maintain proper contact. The rectifier, diodes, rotor and bearings are performance tested or replaced for maximum output. All housings are cleaned and refinished and all stators are tested for integrity and recoated for corrosion prevention.

Product Features:


    Product Features:
    • OE-Equivalent Direct Fit Application.
    • Fully tested to meet OE specifications.
    • Provides exceptional reliability.
    • Enhanced corrosion resistance through recoated stators for prolonged durability.
    • Polished or replaced slip rings ensure optimal electrical contact and performance.
See More

Bosch – Alternator: Remanufactured, 110 Amps, 2 Year Limited Warranty (Part No.AL4320X)

Alternator: Remanufactured, 110 Amps, 2 Year Limited Warranty

from

$266.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With a robust 110-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for all your automotive 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 this alternator for a reliable, high-performance solution that keeps 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.
    • Provides consistent 110-amp output to support demanding electrical systems and ensure reliable power delivery.
    • Engineered with a clockwise rotation design for seamless compatibility and optimal performance in your vehicle.
See More

Carquest Premium – Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty (Part No.13889A)

Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty

from

$209.99
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, 85 Amps, Limited Lifetime Warranty (Part No.13645A)

Alternator: Remanufactured, 85 Amps, Limited Lifetime Warranty

from

$215.99
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, 110 Amps, Limited Lifetime Warranty (Part No.11024A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$229.99
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 Professional – Alternator: New, 110 Amps (Part No.11024AN)

Alternator: New, 110 Amps

from

$272.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • 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
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • All units are 100% triple tested to ensure quality and performance
See More

Bosch – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.AL4317X)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$156.99
The Bosch Premium Alternator, delivering 110 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 handle the toughest challenges while maintaining consistent power output. Whether you’re replacing a worn-out alternator or upgrading for better performance, this Bosch alternator provides 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 consistent power output, ensuring reliable performance even under demanding conditions.
    • Designed with a clockwise rotation direction for seamless compatibility and efficient operation.
See More

Bosch – Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty (Part No.AL4322X)

Alternator: Remanufactured, 180 Amps, 2 Year Limited Warranty

from

$392.99
The Bosch Premium Alternator, delivering 180 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, 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 upgrading or replacing, this alternator offers superior value and peace of mind, making it a trusted choice for maintaining your vehicle’s 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.
    • Engineered for seamless integration into your vehicle’s electrical system, ensuring optimal compatibility and performance.
    • Designed with a clockwise rotation direction to match specific vehicle requirements for efficient operation.
See More

Carquest Professional – Alternator: New, 90 Amps, Limited Lifetime Warranty (Part No.13889AN)

Alternator: New, 90 Amps, Limited Lifetime Warranty

from

$225.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Carquest Professional – Alternator: New, 110 Amps (Part No.11613AN)

Alternator: New, 110 Amps

from

$581.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11226A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$251.99
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, 110 Amps, Limited Lifetime Warranty (Part No.11225A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$352.99
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 – Hitachi Ir/If 90 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty (Part No.13829N)

Hitachi Ir/If 90 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty

from

$258.99
This 90-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 last longer. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance right from the start. Whether you’re upgrading or replacing, this alternator offers superior quality and peace of mind.

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 long-lasting performance even under demanding conditions.
See More

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11409A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$215.99
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, 110 Amps (Part No.11556N)

Alternator: New, 110 Amps

from

$396.99
This 110-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 safeguards against transient voltage spikes, preventing potential battery damage, while the low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for longevity and 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.
  • Fully compliant with ECU communication, this alternator ensures seamless integration with your vehicle’s electrical system for optimal performance.
See More

Carquest Premium – Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty (Part No.13829A)

Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty

from

$256.99
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, 130 Amps, Limited Lifetime Warranty (Part No.11416A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$270.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

WAI – Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty (Part No.11024N)

Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty

from

$242.99
Alternator: New, 110 Amps by WAI delivers exceptional reliability and performance, engineered to meet or exceed OEM specifications for a seamless fit and hassle-free installation. Designed with advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while ensuring efficient communication with the ECU. Its low saturation voltage minimizes heat dissipation, enhancing durability and operational efficiency. 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 performance from the very first use. With 110 amps of power, this alternator is built to handle your vehicle’s electrical demands while offering 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.
  • The alternator’s 110-amp power capacity is designed to efficiently handle your vehicle’s electrical demands, ensuring reliable performance and long-lasting value.
See More

WAI – Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty (Part No.11226N)

Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty

from

$298.99
The WAI 110 Amp alternator is a premium aftermarket solution designed to deliver reliable performance and durability. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation for your vehicle. Featuring advanced voltage regulator protection, this alternator safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. Its high-power rectifier assembly incorporates open junction press-fit diodes, optimizing heat dissipation and keeping the unit running cool under demanding conditions. Each alternator comes with a printed copy of test results, providing transparency and confidence in its performance from the moment it powers on. With WAI’s commitment to quality, this alternator is built to handle the rigors of daily driving while delivering consistent power output.

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 to withstand the rigors of daily driving, ensuring consistent and reliable power output for demanding conditions.
See More

Most Popular Alternator Miscellaneous Part for 2004 Subaru Legacies

Enhance your 2004 Subaru Legacy with this popular Alternator Miscellaneous Part we have in stock, for $17.49.

National – Multi-Purpose Bearing (Part No.201-CC)

Multi-Purpose Bearing

from

$17.49
Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Best-Selling 2004 Subaru Legacy Alternators

Upgrade your Legacy with one of our 2 best-selling Alternators, earning an average 4.25 stars rating across 73 reviews.

Carquest Premium – Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty (Part No.13889A)

Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty

from

$209.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Carquest Professional – Alternator: New, 90 Amps, Limited Lifetime Warranty (Part No.13889AN)

Alternator: New, 90 Amps, Limited Lifetime Warranty

from

$225.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Top-Quality Commutator End Bearings for 2004 Subaru Legacies

Choose a high-quality OEM or aftermarket Commutator End Bearing for Subaru Legacies and enjoy top-notch performance from $2.99.

Driveworks – Ball Bearing (Part No.SL-203-FF)

Ball Bearing

from

$13.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Driveworks – Ball Bearing (Part No.S-201-CC)

Ball Bearing

from

$2.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Top-Rated Alternator Part Brands For Your 2004 Subaru Legacy

When it comes to finding the perfect Alternator Part for your 2004 Subaru Legacy, 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 Professional, Carquest Premium, and DriveWorks, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $13.49. Purchasing a Alternator Part from us here at Advance Auto Parts is a smart move for both you and your 2004 Subaru Legacy, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Professional 2004 Subaru Legacy Alternator Parts

If you’re looking for a top-quality Alternator Part for your 2004 Subaru Legacy, Advance Auto Parts has exactly what you need with our selection of Carquest Professional Alternator Parts. We have 1 Carquest Professional Alternator Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $225.99, you’ll find the perfect Alternator Part for your needs and budget. Carquest Professional Alternator Parts for the 2004 Subaru Legacy come highly rated, with over 15 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Professional Alternator Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Alternator: New, 90 Amps, Limited Lifetime Warranty
from $225.99
(15)
Alternator: New, 90 Amps, Limited Lifetime Warranty
“This was the right part for the job. The dealership wanted to charge me almost twice the cost and I get a better product that is guaranteed! I reall”

Top-Quality Carquest Premium 2004 Subaru Legacy Alternator Parts

For those in search of a high-quality Alternator Part for their 2004 Subaru Legacy, Advance Auto Parts offers a great selection of Carquest Premium Alternator Parts. With 1 Carquest Premium Alternator Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Alternator Parts start at just $209.99, giving you a range of options to suit your budget. Backed by over 58 customer ratings and an average rating of 4.4 stars, Carquest Premium Alternator Parts provide both reliability and excellent performance. Choosing a Carquest Premium Alternator Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty
from $209.99
(58)
Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty
“New altenaor. They tested my system for me before and after instal so I new I was replacing the right thing and I new it solved the problem.”

FAQs for 2004 Subaru Legacy Alternator Parts

What are the best-selling Alternator Parts for 2004 Subaru Legacies?

Out of 5 Alternator Parts that fit 2004 Subaru Legacies, the following parts are the top sellers:

What’s the price range for 2004 Subaru Legacy Alternator Parts?

The prices of Alternator Parts for the 2004 Subaru Legacy range from $2.99 up to $225.99 for the most premium parts.

What is the average price of an Alternator Part for a 2004 Subaru Legacy?

The average price for Alternator Parts for the 2004 Subaru Legacy is $93.99. 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 Subaru Legacy model years?

Yes, we carry Alternator Parts for 27 model years of Subaru Legacies between 1990 and 2018. The following model years are the most popular for Alternator Part purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

What are the cheapest Alternator Parts for my 2004 Subaru Legacy?

The cheapest 2004 Subaru Legacy Alternator Parts we carry are:

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

Yes. We stock Alternator Parts for 3 other popular 2004 Subaru models. Some of the most popular are 2004 Outback Alternator Parts, 2004 Impreza Alternator Parts, 2004 Forester Alternator Parts, and 2004 Baja Alternator Parts.

What are the top-rated Alternator Parts that fit the 2004 Subaru Legacy?

Based on 332 reviews by customers, our 2004 Subaru Legacy Alternator Parts have an average customer rating of 3 stars. These are the highest-rated categories of Alternator Parts for the 2004 Subaru Legacy and their top-rated products:

What types of Alternator Parts do you sell for my 2004 Subaru Legacy?

As of 11/2/25, these are some of the most in-demand types of Alternator Parts for a 2004 Subaru Legacy:

Can I get help with 2004 Subaru Legacy Alternator Part orders?

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

What is your return policy for Subaru Legacy Alternator Parts?

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