2002 Mercury Grand Marquis Alternator Parts

Keep Your 2002 Mercury Grand Marquis 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 2002 Mercury Grand Marquis looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Alternator Pigtails and 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, Carquest Professional, and Carquest. For example, Carquest Premium Alternator Parts start at just $207.99 with an average 4.4 star rating. Carquest Professional and Carquest offer similar pricing and quality, backed by strong customer feedback. With over 174 reviews and a solid 4 star average, you can shop with confidence knowing other Mercury Grand Marquis owners approve.

Explore Related Parts

While you’re upgrading or replacing your Alternator Part, don’t forget to check out other key components like Ignition Lock Parts and Starter Parts. At Advance Auto Parts, we’re here to help you keep your 2002 Mercury Grand Marquis in peak condition, inside and out.

Essential 2002 Mercury Grand Marquis Alternator Parts

Carquest Premium – Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty (Part No.7074-9A)

Alternator: Remanufactured, 90 Amps, Limited Lifetime Warranty

from

$192.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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WAI – Ford 4G Ir/If 130 Amp/12 Volt, Cw, 6-Groove/59Mm Od Pulley, Limited Lifetime Warranty (Part No.8313N)

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

from

$239.99
This 130-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 advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
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Carquest Premium – Alternator: Remanufactured, 70 Amps, Limited Lifetime Warranty (Part No.7072-9A)

Alternator: Remanufactured, 70 Amps, Limited Lifetime Warranty

from

$109.99
The Carquest Premium Alternator is a remanufactured unit designed to deliver reliable performance and long-lasting durability. Engineered to meet or exceed OE quality in fit, form, and function, this alternator is triple-tested to ensure top-notch quality and performance. With a 70-amp output and 12.0 VDC voltage, it is perfectly suited for Ford family vehicles requiring a clockwise rotation. Unlike rebuilt units, this alternator undergoes a meticulous remanufacturing process where all wear components, including brushes, bushings, and bearings, are replaced with brand-new parts. Every unit is 100% performance tested from individual components to final assembly, ensuring dependable service. For added peace of mind, Carquest offers a Tech Hotline staffed by ASE Certified Technicians to assist with any technical inquiries. Choose this alternator for a premium solution that combines exceptional functionality, durability, and value.

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
  • Designed to meet or exceed OE quality standards in fit, form, and function, ensuring compatibility and reliable performance for Ford family vehicles.
  • 100% performance tested from individual components to final assembly, guaranteeing dependable operation and long-lasting service.
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Carquest Professional – Alternator: New, 130 Amps, Limited Lifetime Warranty (Part No.7764AN)

Alternator: New, 130 Amps, Limited Lifetime Warranty

from

$202.99
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:


    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 Standard – Alternator: Remanufactured, 130 Amps, 1 Year Limited Warranty (Part No.7776AV)

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
See More

Carquest Premium – Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty (Part No.8472A)

Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty

from

$272.99
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, 95 Amps, Limited Lifetime Warranty (Part No.7753A)

Alternator: Remanufactured, 95 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 a 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
  • 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, 135 Amps (Part No.AL7652X)

Alternator: Remanufactured, 135 Amps

from

$254.99
The Bosch Premium Alternator, delivering 135 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 with your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for enhanced performance, this Bosch alternator offers unmatched value and peace of mind.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered for seamless integration with your vehicle’s electrical system, ensuring optimal compatibility and performance.
    • Designed with a clockwise rotation direction to enhance operational efficiency and reliability.
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Bosch – Alternator: New, 135 Amps, Limited Lifetime Warranty (Part No.AL7554N)

Alternator: New, 135 Amps, Limited Lifetime Warranty

from

$313.99
The Bosch Premium Alternator, delivering 135 amps at 12 VDC, is engineered for exceptional performance and reliability. Built with 100% new components, it is designed to endure the harshest environments, ensuring long-lasting durability and optimal functionality. This alternator is specifically crafted to handle excessive heat and high electrical demands, making it a dependable choice for modern vehicles. All mounting points are precisely gauged, resized, or rethreaded to guarantee a perfect fit during installation. With a clockwise rotation direction, it seamlessly integrates into your vehicle’s electrical system. As an added benefit, every purchase includes free 24-hour Roadside Assistance Protection, providing extra peace of mind. Choose Bosch for a premium alternator that combines advanced engineering, robust durability, and unmatched value.

Product Features:


    Product Features:
    • 100% new components withstand the harshest environments for the best performance and longest life
    • Built specifically to withstand excessive heat and high electrical demands.
    • All mounting points 100% gauged and resized or rethreaded for proper fit
    • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
    • Engineered for seamless integration into modern vehicle electrical systems, ensuring reliable performance and compatibility.
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Carquest Premium – Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty (Part No.7795A)

Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty

from

$258.99
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 a 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
  • 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 HD Electrical – Alternator: New, 65 Amps, With Pulley (Part No.71-7078N)

Alternator: New, 65 Amps, With Pulley

from

$139.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri

Product Features:
  • High quality components form the foundation our parts are built from. Transpo’s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
  • Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
  • Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
  • Integrated magnetic switch provides protection against weak power from batteries.
  • Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
  • Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
  • Load dump protection ensures transient voltage spikes do not damage transistor
  • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
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Carquest Premium – Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty (Part No.11026A)

Alternator: Remanufactured, 190 Amps, Limited Lifetime Warranty

from

$234.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Bosch – Alternator: New, 95 Amps, Limited Lifetime Warranty (Part No.AL7546N)

Alternator: New, 95 Amps, Limited Lifetime Warranty

from

$275.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive applications. Featuring 100% new components, it is engineered to endure the harshest environments, ensuring optimal functionality and an extended lifespan. Designed to handle excessive heat and high electrical demands, this alternator is built for durability and consistent power output. With an amperage rating of 95 A and a 12 VDC voltage, it provides reliable energy to support your vehicle’s electrical systems. The clockwise rotation direction ensures compatibility with a wide range of vehicles, while all mounting points are precisely gauged, resized, or rethreaded for a perfect fit. Additionally, the purchase includes free 24-hour Roadside Assistance Protection, adding extra value and peace of mind. Choose this alternator for superior performance, durability, and unmatched reliability.

Product Features:


    Product Features:
    • 100% new components withstand the harshest environments for the best performance and longest life
    • Built specifically to withstand excessive heat and high electrical demands.
    • All mounting points 100% gauged and resized or rethreaded for proper fit
    • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
    • Engineered for consistent power output, ensuring reliable energy delivery to support your vehicle’s electrical systems under demanding conditions.
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Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.7784A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$179.99
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

Motorcraft – MOTOR – WINDOW (Part No.WPT-119)

MOTOR - WINDOW

from

$19.99
MOTOR – WINDOW

Carquest Premium – Multi-Use Connector (Part No.PTA1197)

Multi-Use Connector

from

$11.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Multi-Use Connector (Part No.PTA1348)

Multi-Use Connector

from

$14.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1367)

Multi-Use Connector

from

$3.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest – Alternator Electrical Connector (Part No.PT754)

Alternator Electrical Connector

from

$17.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions
  • Manufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
  • All units are 100% tested using an accelerometer vibration test to ensure trouble-free operation
  • Featuring the broadest sensor coverage in the market, we meet the service professionals needs with the highest quality product every time he opens the box
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Most Popular Alternator Pigtails for 2002 Mercury Grand Marquis

Enhance your 2002 Mercury Grand Marquis with one of the 2 Alternator Pigtails we have in stock, starting at just $17.99.

Carquest – Alternator Electrical Connector (Part No.PT754)

Alternator Electrical Connector

from

$17.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions
  • Manufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
  • All units are 100% tested using an accelerometer vibration test to ensure trouble-free operation
  • Featuring the broadest sensor coverage in the market, we meet the service professionals needs with the highest quality product every time he opens the box
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
See More

Motorcraft – MOTOR – WINDOW (Part No.WPT-119)

MOTOR - WINDOW

from

$19.99
MOTOR – WINDOW

Best-Selling 2002 Mercury Grand Marquis Alternators

Upgrade your Grand Marquis with one of our 4 best-selling Alternators, earning an average 4.17 stars rating across 77 reviews.

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.
See More

Carquest Premium – Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty (Part No.7795A)

Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty

from

$258.99
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 a 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
  • 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, 130 Amps, 2 Year Limited Warranty (Part No.AL7541X)

Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty

from

$369.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive needs. With a robust 130-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for your vehicle’s electrical systems. Engineered with high-quality materials and cutting-edge technology, it is built to last and withstand rigorous conditions. Its clockwise rotation direction and full-load testing guarantee compliance with Bosch’s strict performance standards, ensuring optimal functionality. Unlike rebuilt units, this alternator is 100% factory-tested and remanufactured for superior quality and dependability. Whether you’re replacing a worn-out alternator or upgrading for enhanced performance, this premium part offers unmatched durability and value.

Product Features:


Product Features:
  • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
  • 100% factory tested, units are remanufactured (not rebuilt)
  • Built to last – uses high quality materials and the most technologically advanced developments.
  • Provides consistent 130-amp power output to support demanding vehicle electrical systems.
  • Engineered for durability and reliability under rigorous conditions, ensuring long-lasting performance.
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Top-Rated Alternator Part Brands For Your 2002 Mercury Grand Marquis

When it comes to finding the perfect Alternator Part for your 2002 Mercury Grand Marquis, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Alternator Part brands including Carquest Professional, Carquest Premium, and Carquest, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $17.99. Purchasing a Alternator Part from us here at Advance Auto Parts is a smart move for both you and your 2002 Mercury Grand Marquis, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Professional 2002 Mercury Grand Marquis Alternator Parts

If you’re looking for a top-quality Alternator Part for your 2002 Mercury Grand Marquis, 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 $216.99, you’ll find the perfect Alternator Part for your needs and budget. Carquest Professional Alternator Parts for the 2002 Mercury Grand Marquis come highly rated, with over 16 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, 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.”

Top-Quality Carquest Premium 2002 Mercury Grand Marquis Alternator Parts

For those in search of a high-quality Alternator Part for their 2002 Mercury Grand Marquis, Advance Auto Parts offers a great selection of Carquest Premium Alternator Parts. With 2 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 $207.99, with an average price of $233.49, giving you a range of options to suit your budget. Backed by over 61 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, 130 Amps, Limited Lifetime Warranty
from $207.99
(44)
Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty
“Dropped right in. So far so good”

FAQs for 2002 Mercury Grand Marquis Alternator Parts

What are the best-selling Alternator Parts for 2002 Mercury Grand Marquis?

Out of 6 Alternator Parts that fit 2002 Mercury Grand Marquis, the following parts are the top sellers:

What’s the price range for 2002 Mercury Grand Marquis Alternator Parts?

The prices of Alternator Parts for the 2002 Mercury Grand Marquis range from $17.99 up to $369.99 for the most premium parts.

What is the average price of an Alternator Part for a 2002 Mercury Grand Marquis?

The average price for Alternator Parts for the 2002 Mercury Grand Marquis is $181.99. 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 Mercury Grand Marquis model years?

Yes, we carry Alternator Parts for 35 model years of Mercury Grand Marquis between 1975 and 2011. The following model years are the most popular for Alternator Part purchases: 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, and 2003.

What are the cheapest Alternator Parts for my 2002 Mercury Grand Marquis?

The cheapest 2002 Mercury Grand Marquis Alternator Parts we carry are:

Does Advance Auto Parts sell Alternator Parts for any other 2002 Mercury models?

Yes. We stock Alternator Parts for 1 other popular 2002 Mercury models. Some of the most popular are 2002 Cougar Alternator Parts and 2002 Mountaineer Alternator Parts.

What are the top-rated Alternator Parts that fit the 2002 Mercury Grand Marquis?

Based on 174 reviews by customers, our 2002 Mercury Grand Marquis Alternator Parts have an average customer rating of 4 stars. These are the highest-rated categories of Alternator Parts for the 2002 Mercury Grand Marquis and their top-rated products:

What types of Alternator Parts do you sell for my 2002 Mercury Grand Marquis?

As of 11/2/25, these are some of the most in-demand types of Alternator Parts for a 2002 Mercury Grand Marquis:

Can I get help with 2002 Mercury Grand Marquis Alternator Part orders?

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

What is your return policy for Mercury Grand Marquis Alternator Parts?

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