2003 Mercury Mountaineer Alternators

Enhance and Protect Your 2003 Mercury Mountaineer with Quality Alternators

Maintaining the performance of your 2003 Mercury Mountaineer starts with choosing the right parts, and high-quality Alternators help ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Alternators specifically for the 2003 Mercury Mountaineer, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Alternators for Every Budget

Finding affordable, quality Alternators is easy at Advance Auto Parts. With prices starting as low as $158.99 and an average price of $207.74, you can choose one that fits your budget while delivering the quality you expect. Our Alternators are competitively priced, ranging from $158.99 to $249.99, so you get value without compromising on strength or reliability.

Explore Related Parts for a Complete Solution

To further enhance your 2003 Mercury Mountaineer, don’t miss our related parts categories, including Alternator Pigtails. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.

Alternators for Your 2003 Mercury Mountaineer

Carquest Standard – Alternator: Remanufactured, 130 Amps, 1 Year Limited Warranty (Part No.7787AV)

Alternator: Remanufactured, 130 Amps, 1 Year Limited Warranty

from

$158.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.7787A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$197.99
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
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Carquest Professional – Alternator: New, 130 Amps, Limited Lifetime Warranty (Part No.7787AN)

Alternator: New, 130 Amps, Limited Lifetime Warranty

from

$249.99
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
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Carquest Professional – Alternator: New, 130 Amps, Limited Lifetime Warranty (Part No.7773AN)

Alternator: New, 130 Amps, Limited Lifetime Warranty

from

$216.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.7773A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$207.99
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:
  • Each unit is triple-tested to ensure quality and performance
  • All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
  • Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
  • Remanufactured by an IATF/TS 16949 certified supplier, ensuring adherence to the highest industry standards for quality and reliability.
  • Designed to meet or exceed original equipment specifications for fit, form, and function, providing seamless integration and dependable performance.
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Bosch – Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty (Part No.AL7537X)

Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty

from

$196.99
The Bosch Premium Alternator is engineered for exceptional performance and reliability, making it a top choice for demanding automotive needs. This remanufactured unit is full-load tested to meet Bosch’s rigorous performance standards, ensuring dependable operation under all conditions. With a robust 130-amp output and 12 VDC voltage, it delivers the power your vehicle requires. Built with high-quality materials and cutting-edge technology, this alternator is designed to last, providing long-term value and peace of mind. Its clockwise rotation direction ensures compatibility with a wide range of vehicles, while the 100% factory testing guarantees consistent quality. Choose Bosch for a premium alternator that combines durability, precision, and 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.
  • Delivers a robust 130-amp output, ensuring sufficient power for demanding automotive applications.
  • Clockwise rotation design enhances compatibility with a wide range of vehicle models.
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Bosch – Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty (Part No.AL7543X)

Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty

from

$212.99
The Bosch Premium Alternator, delivering 130 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 replacing a worn-out alternator or upgrading for better performance, this premium unit offers outstanding value and peace of mind.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Engineered for seamless integration into your vehicle’s electrical system, ensuring optimal compatibility and performance.
  • Designed with a clockwise rotation direction to enhance operational efficiency and reliability.
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WAI – Ford 4G Ir/If 130 Amp/12 Volt, Cw, 6-Groove/59Mm Od Pulley, Limited Lifetime Warranty (Part No.7773N-6G2)

Ford 4G Ir/If 130 Amp/12 Volt, Cw, 6-Groove/59Mm Od Pulley, Limited Lifetime Warranty

from

$219.99
Alternator: New, 130 Amps by WAI delivers exceptional performance and reliability, 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 moment it powers on. With 130 amps of power, this alternator is built to handle the demands of modern vehicles, making it a reliable and valuable upgrade for your 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.
  • Provides 130 amps of power, ensuring reliable performance to meet the electrical demands of modern vehicles.
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FAQs for 2003 Mercury Mountaineer Alternators

Which Alternators are the top sellers for the 2003 Mercury Mountaineer?

Out of 8 Alternators that fit 2003 Mercury Mountaineers, the following parts are the top sellers:

How can I make sure that a part will be compatible with my 2003 Mercury Mountaineer?

Our Mercury Mountaineer aftermarket and OEM parts are designed specifically for the 2003 model. You can always find your specific fitment and compatibility for your 2003 Mercury on an individual product page.

What is the price range for 2003 Mercury Mountaineer Alternators?

The range of prices of Alternators for the 2003 Mercury Mountaineer goes from $158.99 up to $249.99 for the most premium parts.

What is the average price of 2003 Mercury Mountaineer Alternators?

2003 Mercury Mountaineer Alternators average $207.74 for our selection of OEM and aftermarket parts.

Does Advance Auto Parts sell Alternators for other Mercury Mountaineer model years?

Yes, we currently stock Alternators for 12 model years of Mercury Mountaineers, from 1997 to 2010. Model years 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2002, and 2001 are the most popular for Alternators purchases.

Which Alternators are highest rated for the 2003 Mercury Mountaineer?

Based on 317 customer reviews, our 2003 Mercury Mountaineer Alternators have an average rating of 4. Explore our top-rated Alternators here:
Alternator: New, 130 Amps, Limited Lifetime Warranty
from $216.99
(16)
Alternator: New, 130 Amps, Limited Lifetime Warranty
“Exact fit on my 2002 lincoln continental. Working like a new alternator should.”
Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty
from $196.99
(1)
Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty
“Not happy with this Bosch aftermarket alternator. It wasn’t a “perfect fit,” and my “Check Charging System” light goes on intermittently….which is m”

Can I get help with 2003 Mercury Mountaineer Alternators orders?

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

What is your return policy for Mercury Mountaineer Alternators?

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