2003 Mitsubishi Eclipse Alternator Parts

Keep Your 2003 Mitsubishi Eclipse in Top Shape with Quality Alternator Parts

Whether you’re repairing or upgrading your Alternator Part, using high-quality parts is key to keeping your 2003 Mitsubishi Eclipse 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 $194.99 with an average 4.4 star rating. With over 47 reviews and a solid 4 star average, you can shop with confidence knowing other Mitsubishi Eclipse owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Mitsubishi Eclipse Alternator Part at Advance Auto Parts is around $208.92, with a range that starts at $194.99 and goes up to $225.99. With 4 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Mitsubishi Ir/If 85 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty and Mitsubishi Ir/If 90 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty start at just $207.99 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 2003 Mitsubishi Eclipse in peak condition, inside and out.

Essential 2003 Mitsubishi Eclipse Alternator Parts

WAI – Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11029N)

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

from

$215.99
This 110-amp alternator from WAI is a top-tier choice for reliable performance and durability. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation, making it an ideal replacement for your vehicle. Featuring advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. The low saturation voltage design minimizes heat dissipation, enhancing the unit’s longevity. Its high-power rectifier assembly incorporates open junction press-fit diodes, ensuring the alternator runs cooler even under demanding conditions. 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 delivers exceptional value and peace of mind for 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.
  • Rigorously tested for durability and reliability, ensuring consistent performance under demanding conditions.
See More

WAI – Mitsubishi Ir/If 110 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11118N)

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

from

$225.99
This 110-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. Featuring advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. The low saturation voltage minimizes heat dissipation, enhancing durability and efficiency. Its high-power rectifier assembly incorporates open junction press-fit diodes, ensuring the unit runs cooler even under demanding conditions. 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. Built for long-lasting dependability, this alternator is a smart investment 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 for long-lasting dependability, this alternator ensures consistent performance and durability, making it a reliable choice for maintaining your vehicle’s electrical system.
See More

Bosch – Alternator: Remanufactured, 110 Amps (Part No.AL4064X)

Alternator: Remanufactured, 110 Amps

from

$298.99
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 Bosch for a premium solution that combines functionality, durability, 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.
    • Provides consistent 12 VDC power output, supporting the electrical needs of modern vehicles with precision and efficiency.
See More

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11118A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$179.99
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, 75 Amps (Part No.13332A)

Alternator: Remanufactured, 75 Amps

from

$264.99
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:


    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.11095A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$174.99
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 85 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.13886N)

Mitsubishi Ir/If 85 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$225.99
This 85-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, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value for your vehicle’s electrical system.

Product Features:
  • 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 and reliable performance under demanding conditions.
See More

WAI – Alternator: New, 65 Amps (Part No.13271N)

Alternator: New, 65 Amps

from

$152.99
This 65-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. 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 is rigorously tested, and a printed copy of the test results is included, giving you confidence in its performance from the very first use. Whether you’re upgrading or replacing, this alternator delivers exceptional value and long-lasting dependability.

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 reliable performance even under demanding conditions.
See More

WAI – Mitsubishi Ir/If 90 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty (Part No.13840N)

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

from

$207.99
This 90-amp alternator from WAI is a top-tier choice for reliable performance and durability. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation, making it an ideal replacement for your vehicle. Equipped with advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. The low saturation voltage design minimizes heat dissipation, enhancing overall efficiency. Its high-power rectifier assembly features robust open junction press-fit diodes, ensuring the unit stays cool even under demanding conditions. Each alternator comes with a printed copy of test results, giving you confidence in its performance from the very first use. Built for long-lasting dependability, this alternator delivers exceptional value and peace of mind for 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, this alternator is designed to deliver long-lasting performance, ensuring reliable operation for your vehicle’s electrical system over time.
See More

Carquest Premium – Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty (Part No.13840A)

Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty

from

$194.99
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.11029A)

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, 85 Amps, Limited Lifetime Warranty (Part No.13886A)

Alternator: Remanufactured, 85 Amps, Limited Lifetime Warranty

from

$202.99
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, 65 Amps, Limited Lifetime Warranty (Part No.13197A)

Alternator: Remanufactured, 65 Amps, Limited Lifetime Warranty

from

$142.99
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:


    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, 100 Amps, 2 Year Limited Warranty (Part No.AL4082X)

Alternator: Remanufactured, 100 Amps, 2 Year Limited Warranty

from

$187.99
The Bosch Premium Alternator, remanufactured to deliver 100 amps of reliable power, is engineered for exceptional performance and durability. Designed with advanced technology and built using high-quality materials, this alternator ensures long-lasting functionality. 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 stringent performance standards, guaranteeing optimal operation under demanding conditions. Unlike rebuilt units, these alternators are remanufactured to provide superior quality and reliability. Whether you’re replacing a worn-out alternator or upgrading for better 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.
    • Designed for seamless integration into your vehicle’s electrical system with a precise clockwise rotation direction.
See More

WAI – Mitsubishi Ir/If 75 Amp/12 Volt, Cw, 4-Groove Pulley, Limited Lifetime Warranty (Part No.13332N)

Mitsubishi Ir/If 75 Amp/12 Volt, Cw, 4-Groove Pulley, Limited Lifetime Warranty

from

$193.99
This 75-amp alternator from WAI is a top-tier choice for those seeking reliability and performance in their vehicle’s electrical system. Engineered 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 maintaining efficient communication with the ECU. Its low saturation voltage minimizes heat dissipation, enhancing durability and performance. The high-power rectifier assembly, equipped with open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Each unit comes with a printed copy of test results, providing transparency and confidence in its quality and functionality. Whether you’re upgrading or replacing, this alternator delivers exceptional value and dependable power.

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 advanced design enhances durability and performance by minimizing heat dissipation, ensuring reliable operation even under demanding conditions.
See More

Most Popular Alternators for 2003 Mitsubishi Eclipses

Enhance your 2003 Mitsubishi Eclipse with one of the 4 Alternators we have in stock, starting at just $194.99.

Carquest Premium – Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty (Part No.13840A)

Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty

from

$194.99
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.13886A)

Alternator: Remanufactured, 85 Amps, Limited Lifetime Warranty

from

$202.99
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 85 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.13886N)

Mitsubishi Ir/If 85 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$225.99
This 85-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, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value for your vehicle’s electrical system.

Product Features:
  • 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 and reliable performance under demanding conditions.
See More

WAI – Mitsubishi Ir/If 90 Amp/12 Volt, Cw, 5-Groove Pulley, Limited Lifetime Warranty (Part No.13840N)

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

from

$207.99
This 90-amp alternator from WAI is a top-tier choice for reliable performance and durability. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation, making it an ideal replacement for your vehicle. Equipped with advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. The low saturation voltage design minimizes heat dissipation, enhancing overall efficiency. Its high-power rectifier assembly features robust open junction press-fit diodes, ensuring the unit stays cool even under demanding conditions. Each alternator comes with a printed copy of test results, giving you confidence in its performance from the very first use. Built for long-lasting dependability, this alternator delivers exceptional value and peace of mind for 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, this alternator is designed to deliver long-lasting performance, ensuring reliable operation for your vehicle’s electrical system over time.
See More

Top-Rated Alternator Part Brands For Your 2003 Mitsubishi Eclipse

When it comes to finding the perfect Alternator Part for your 2003 Mitsubishi Eclipse, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 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 $194.99. Purchasing a Alternator Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Mitsubishi Eclipse, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2003 Mitsubishi Eclipse Alternator Parts

If you’re looking for a top-quality Alternator Part for your 2003 Mitsubishi Eclipse, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Alternator Parts. We have 2 Carquest Premium Alternator Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $194.99 and an average cost of $198.99, you’ll find the perfect Alternator Part for your needs and budget. Carquest Premium Alternator Parts for the 2003 Mitsubishi Eclipse come highly rated, with over 12 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, 85 Amps, Limited Lifetime Warranty
from $202.99
(11)
Alternator: Remanufactured, 85 Amps, Limited Lifetime Warranty
“OE fit works great”
Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty
from $194.99
(1)
Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty
“Good well fitting part”

FAQs for 2003 Mitsubishi Eclipse Alternator Parts

What are the best-selling Alternator Parts for 2003 Mitsubishi Eclipses?

Out of 4 Alternator Parts that fit 2003 Mitsubishi Eclipses, the following parts are the top sellers:

What’s the price range for 2003 Mitsubishi Eclipse Alternator Parts?

The prices of Alternator Parts for the 2003 Mitsubishi Eclipse range from $194.99 up to $225.99 for the most premium parts.

What is the average price of an Alternator Part for a 2003 Mitsubishi Eclipse?

The average price for Alternator Parts for the 2003 Mitsubishi Eclipse is $208.92. 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 Mitsubishi Eclipse model years?

Yes, we carry Alternator Parts for 16 model years of Mitsubishi Eclipses between 1990 and 2012. The following model years are the most popular for Alternator Part purchases: 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, and 2004.

What are the cheapest Alternator Parts for my 2003 Mitsubishi Eclipse?

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

Yes. We stock Alternator Parts for 4 other popular 2003 Mitsubishi models. Some of the most popular are 2003 Outlander Alternator Parts, 2003 Montero Alternator Parts, 2003 Lancer Alternator Parts, 2003 Galant Alternator Parts, and 2003 Montero Sport Alternator Parts.

What are the top-rated Alternator Parts that fit the 2003 Mitsubishi Eclipse?

The one 2003 Mitsubishi Eclipse Alternator Part we have in stock is the Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty. It is rated 5 stars and costs $194.99.

What types of Alternator Parts do you sell for my 2003 Mitsubishi Eclipse?

We currently have just 1 Alternator Part in stock for a 2003 Mitsubishi Eclipse, and as of 11/2/25, it is an Alternator.

Can I get help with 2003 Mitsubishi Eclipse Alternator Part orders?

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

What is your return policy for Mitsubishi Eclipse Alternator Parts?

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