2003 Lincoln Navigator Alternators and Starters

Name: Alternator: Remanufactured, 175 Amps, 2 Year Limited Warranty
Brand: Bosch
SKU: AL7681X
Price: 412.99 USD

Below you will find various in-demand Lincoln Alternators and Starters, components and accessories for your 2003 Navigator. Advance Auto Parts has popular Navigator parts like Alternator Parts, Starter Parts, Ignition Lock Parts and more. You’ll also find aftermarket and OEM Alternators and Starters for other Navigator model years including 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 and more. Select a category of 2003 Lincoln Navigator Alternators and Starters below and start saving instantly.

Popular 2003 Lincoln Navigator Alternators and Starters Categories

Alternators

Starters

Ignition Lock Cylinders

Starter Relays

Essential Alternators and Starters for 2003 Lincoln Navigators

from

$412.99

The Bosch Premium Alternator, remanufactured to deliver 175 amps, 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. Each unit is 100% factory tested and remanufactured – not rebuilt – using high-quality materials and cutting-edge technology for enhanced durability. With a 12 VDC voltage rating and a clockwise rotation direction, it is designed to meet the needs of modern vehicles. Built to last, this alternator is a smart investment for those seeking long-term 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.
Delivers a robust 175-amp output, ideal for supporting high electrical loads efficiently.

from

$169.99

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.

from

$249.99

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

from

$225.99

This 135-amp alternator from WAI is engineered to deliver exceptional performance and reliability, making it a top choice for aftermarket replacements. Designed to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage, while its low saturation voltage minimizes heat dissipation for enhanced durability. Featuring a high-power rectifier assembly with open junction press-fit diodes, this alternator is built to run cooler and more efficiently. 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 is a dependable solution 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.
Rigorously tested for enhanced reliability, ensuring consistent performance and long-lasting durability.

from

$149.99

The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive applications. 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 use. The unit is remanufactured, not rebuilt, and undergoes 100% factory testing to meet Bosch’s strict performance standards. Additionally, it is full-load tested to guarantee compliance with specifications, ensuring dependable operation. Designed for clockwise rotation, this alternator is a reliable solution for maintaining your vehicle’s electrical efficiency while offering long-term 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 output to support demanding automotive electrical systems.
Designed for clockwise rotation to ensure compatibility and optimal performance in applicable vehicles.

from

$214.99

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

from

$311.99

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

from

$77.99

The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.

Product Features:

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$166.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

from

$75.99

LockSmart® is a specialized aftermarket lock brand featuring door, trunk, and ignition lock cylinders. LockSmart® provides OE fit, form, and function locks across domestic and import applications for both late and older model vehicles.

Product Features:

Direct-fit OE replacement ignition lock cylinder ensures effective start of engine energy supply
Constructed from high-grade materials to ensure durability and longevity
Undergoes 100% testing for proper fit, form, and function
As a global manufacturer, we maintain complete quality control throughout the manufacturing process

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$91.99

This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.

Product Features:

Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$75.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

from

$67.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

from

$134.99

When the ignition lock cylinder and/or keys on certain Ford and Lincoln SUVs need to be replaced, a dealer can charge an expensive programming fee in addition to the cost of the cylinder replacement and keys. Save money, labor time, and the trip to the dealer with this Dorman OE FIX ignition lock cylinder kit and our patented programming tool. The kit includes a lock cylinder designed to match the fit and function of the original equipment part, two ignition keys, and our exclusive user-friendly tool that programs the new keys to the cylinder in just minutes, with no special skills or prior experience necessary.

Product Features:

Saves money – this ignition lock cylinder kit includes everything needed to replace an ignition lock cylinder and program the included keys without dealer support; one original key must be present
Ideal solution – cost-effective, complete repair kit perfect for when an original equipment lock cylinder fails or requires replacement on certain Ford and Lincoln SUVs
User-friendly – includes an exclusive patented programming tool and instructions for a frustration-free lock cylinder and key replacement, with no special skills or prior experience needed
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$20.99

Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.

from

$28.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.

from

$259.99

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

Product Features:

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
All new components are utilized to ensure long service life
Internal electronics are upgraded for heavy duty reliability (where applicable)
Armatures and commutators are 100% load tested
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

from

$116.99

Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters 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:

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

from

$117.99

Built to meet OE quality in fit, form, and function.
Units are rebuilt with critical parts and components that are 100% new.
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
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

from

$161.99

Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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.

from

$123.99

CARQUEST Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance and endurance. All new units offer unmatched performance and reduce downtime.

Product Features:

High Quality components form the foundation our parts are built from
Transpo innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs
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

from

$207.99

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
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.

from

$146.99

The Carquest Premium Remanufactured Starter is engineered to deliver reliable performance and long-lasting durability, meeting or exceeding O.E.M. specifications. Designed for Ford vehicles, this starter features a 12-tooth configuration and operates at 12.0 VDC, ensuring optimal compatibility and efficiency. Unlike rebuilt units, this remanufactured starter undergoes a meticulous process where all wear components, including brushes, bushings, and bearings, are replaced with brand-new parts. Each unit is triple-tested from individual components to final assembly, guaranteeing consistent quality and dependable service. For added peace of mind, Carquest offers access to ASE Certified Technicians via their Tech Hotline, providing expert support when you need it. Choose this premium starter for a perfect fit, superior functionality, and exceptional value.

Product Features:

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
Engineered to meet or exceed O.E.M. specifications, ensuring reliable performance and compatibility with Ford vehicles.
Designed with a 12-tooth configuration and 12.0 VDC operation for optimal efficiency and seamless integration.

from

$175.99

High Quality components form the foundation our parts are built from
Transpo innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs
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

from

$202.99

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
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
All new components are utilized to ensure long service life
Internal electronics are upgraded for heavy duty reliability (where applicable)
Armatures and commutators are 100% load tested
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

from

$312.99

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
100% remanufactured drive clutch assembly ensures lasting performance
Armatures and commutators are 100% load tested
New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
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

from

$295.99

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
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.

from

$174.99

Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability.

Product Features:

Built for extremes! Our new and reman starters and alternators are 100% factory tested to ensure reliable performance, under extremes of heat, cold and high demand
Our new and reman starters and alternators are designed to perform equal to or better than the original equipment parts, that they replace
Our new and reman starters and alternators are designed to be identical in fit and performance to original equipment parts
Our new and reman starters and alternators utilize the latest manufacturing technologies and highest quality parts to ensure the best performance and longest life

Upgrade your 2003 Lincoln Navigator with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2003 Lincoln Navigator, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Lincoln or enhancing its overall performance, Alternators and Starters are key to keeping your Navigator functioning at its best. At Advance Auto Parts, we offer a wide selection of 12 Alternators and Starters for the 2003 Lincoln Navigator, designed to meet your needs without breaking the bank. From Alternator Part replacements to Starter Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Alternators and Starters for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Alternators and Starters for your 2003 Lincoln Navigator at great prices. Our Alternators and Starters inventory for this model ranges from just $20.99 to $324.99, with an average price of $196.07. Our 12 Alternators and Starters in stock come from 6 trusted brands, so you’re sure to find the right part for your 2003 Lincoln Navigator without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Lincoln Navigator, we stock popular OEM and aftermarket Alternators and Starters from top names like Carquest Professional, Carquest Premium, Carquest, and more. Carquest Professional Alternators and Starters start at just $202.99 and boast an impressive 4.5 stars average rating from customers. Carquest Premium and Carquest also bring quality to the table, with Alternators and Starters available starting at $117.99, and at an average 4.4 stars rating. With 464 customer reviews and counting, our 2003 Lincoln Navigator Alternators and Starters have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Alternators and Starter upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Lincoln Navigator is always ready to roll. We’re committed to providing you with everything you need to keep your Navigator in top shape, all in one place. Start shopping confidently below for your 2003 Lincoln Navigator!

Best-Selling Alternator Parts for 2003 Lincoln Navigators

Enhance the driving experience in your Lincoln with 4 quality Alternator Part components, starting at $239.99.

show more show less

from

$309.99

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

from

$324.99

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

from

$311.99

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

from

$239.99

Experience the reliability and performance of this 135-amp alternator, meticulously engineered to meet or exceed OEM specifications for a seamless fit and effortless installation. Designed with advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while ensuring efficient communication with the ECU. The high-power rectifier assembly features robust open junction press-fit diodes, keeping the unit cool even under demanding conditions. With low saturation voltage, heat dissipation is minimized, enhancing durability and efficiency. 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. Trust in WAI’s commitment to superior quality and innovation for a dependable solution to your vehicle’s electrical needs.

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
Rigorously tested for durability and efficiency, ensuring reliable performance under demanding conditions.

Most Popular 2003 Lincoln Navigator Starter Parts

Customize your Lincoln with 6 Starter Parts products like Starters and Starter Relays, all priced under $202.99.

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from

$117.99

Built to meet OE quality in fit, form, and function.
Units are rebuilt with critical parts and components that are 100% new.
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
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

from

$156.99

The Carquest Premium Remanufactured Starter is engineered to deliver reliable performance and long-lasting durability, meeting or exceeding O.E.M. specifications. Each unit undergoes a meticulous remanufacturing process, replacing all wear components such as brushes, bushings, and bearings with brand-new parts to ensure optimal functionality. Triple-tested for quality and performance, this starter guarantees dependable service from component level to final assembly. Designed specifically for Ford vehicles, it features a 12-tooth configuration and operates at 12.0 VDC, ensuring a precise fit and seamless integration with your vehicle’s electrical system. For added peace of mind, Carquest offers a Tech Hotline staffed by ASE Certified Technicians to assist with any technical inquiries. Choose this remanufactured starter for a cost-effective, high-quality solution that delivers OE-level fit, form, and function.

Product Features:

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
Engineered to meet or exceed O.E.M. specifications, ensuring reliable performance and long-lasting durability.
Designed with a 12-tooth configuration and 12.0 VDC operation for precise fit and seamless integration with Ford vehicles.

from

$202.99

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
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
All new components are utilized to ensure long service life
Internal electronics are upgraded for heavy duty reliability (where applicable)
Armatures and commutators are 100% load tested
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

from

$20.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.

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Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability.

Product Features:

Built for extremes! Our new and reman starters and alternators are 100% factory tested to ensure reliable performance, under extremes of heat, cold and high demand
Our new and reman starters and alternators are designed to perform equal to or better than the original equipment parts, that they replace
Our new and reman starters and alternators are designed to be identical in fit and performance to original equipment parts
Our new and reman starters and alternators utilize the latest manufacturing technologies and highest quality parts to ensure the best performance and longest life

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High Quality components form the foundation our parts are built from
Transpo innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs
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

Top Picks for 2003 Lincoln Navigator Ignition Lock Parts

Upgrade Lincoln Navigators with top-quality Ignition Lock Parts parts, including 2 OEM and aftermarket selections for your 2003 model.

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$166.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$134.99

Saves money – this ignition lock cylinder kit includes everything needed to replace an ignition lock cylinder and program the included keys without dealer support; one original key must be present
Ideal solution – cost-effective, complete repair kit perfect for when an original equipment lock cylinder fails or requires replacement on certain Ford and Lincoln SUVs
User-friendly – includes an exclusive patented programming tool and instructions for a frustration-free lock cylinder and key replacement, with no special skills or prior experience needed
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

Top-Rated Alternators and Starters Brands For Your 2003 Lincoln Navigator

Shop for the best-rated brands offering Alternators and Starters and other products for your 2003 Lincoln Navigators. Below you’ll find some of our best rated Alternators and Starters from Carquest Professional, Carquest Premium, and Carquest, and more. Alternators and Starters from these brands that fit a 2003 Navigator start at just $117.99 and are rated as high as 4.5 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Professional 2003 Lincoln Navigator Alternators and Starters

When it comes to maintaining or upgrading your 2003 Lincoln Navigator, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Professional ticks all of those boxes. We offer a wide selection of Carquest Professional Alternators and Starters, specifically designed for the 2003 Lincoln Navigator. With over 1 Carquest Professional brand Alternators and Starters in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $202.99. Plus, with over 111 customer reviews and an average rating of 4.5 stars, you can trust that our Carquest Professional Alternators and Starters will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $202.99

(111)

Starter: New, Limited Lifetime Warranty

“Factory starter lasted over 20 yrs. Flawless install and function got past few months. Easy install, lifetime warranty should ensure functionality pas”

Popular Carquest Premium 2003 Lincoln Navigator Alternators and Starters

Carquest Premium auto parts is one of the highest quality Alternators and Starter brands in the market. Any 2003 Lincoln Navigator owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2003 Navigator, Advance Auto Parts carries a full inventory of 2 Carquest Premium Alternators and Starters. Plus you will be keeping your Lincoln in peak condition while saving money because prices on these Carquest Premium Alternators and Starters range from $156.99 to $309.99, plus, with more than 246 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Alternators and Starters below will deliver on both quality and value.

from $309.99

(33)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

“Had to replace bad alternator on a 2004 Ford Expedition. Got a reman. alternator which turn out to be a motorcraft brand. Removal and installing alter”

from $156.99

(213)

Starter: Remanufactured, Limited Lifetime Warranty

“Worked great starts every time no problem thank you”

FAQs for 2003 Lincoln Navigator Alternators and Starters

Which Alternators and Starters are best-sellers for 2003 Lincoln Navigators?

Out of 12 Alternators and Starters that fit 2003 Lincoln Navigators, the following parts are the top sellers:

Starter: New, Limited Lifetime Warranty (15020006) – $202.99
Multi-Purpose Relay (12446872) – $20.99
Alternator: New, 110 Amps, Limited Lifetime Warranty (10449098) – $311.99

What’s the price range for 2003 Lincoln Navigator Alternators and Starters?

Alternators and Starter prices for the 2003 Lincoln Navigator start at $20.99 and go up to $324.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2003 Lincoln Navigator?

The average price for Alternators and Starters for the 2003 Lincoln Navigator is $196.07. Keep in mind the variety of part types within our Alternators and Starter category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternators and Starters for other Lincoln Navigator model years?

Yes, we currently carry Alternators and Starters for 24 model years of Lincoln Navigators between 1998 and 2023. Alternators and Starters are bought most frequently for the following model years: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Alternators and Starters for my 2003 Lincoln Navigator?

The cheapest 2003 Lincoln Navigator Alternators and Starters we carry in stock are:

Multi-Purpose Relay (12446872) – $20.99
Starter: Remanufactured, 1 Year Limited Warranty (20460007) – $117.99
Ignition Lock Cylinder Kit with Programming Tool (OE Fix) (11971382) – $134.99
Starter: Remanufactured, Limited Lifetime Warranty (15220145) – $156.99
Ignition Lock Cylinder (12497831) – $166.99

What are the top-rated Alternators and Starters that fit the 2003 Lincoln Navigator?

Out of 464 reviews by customers, our 2003 Lincoln Navigator Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2003 Lincoln Navigator and their top-rated products:

Alternator Parts
- Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (20210581) – $309.99
- Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty (20850822) – $324.99
Starter Parts
- Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (20210581) – $309.99
- Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty (20850822) – $324.99

What types of Alternators and Starters do you sell for my 2003 Lincoln Navigator?

As of 11/2/25, these are some of the most in-demand types of Alternators and Starters for a 2003 Lincoln Navigator:

Can I get help with 2003 Lincoln Navigator Alternators and Starter orders?

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

What is your return policy for Lincoln Navigator Alternators and Starters?

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

2003 Lincoln Navigator Alternators and Starters

Bosch – Alternator: Remanufactured, 175 Amps, 2 Year Limited Warranty (Part No.AL7681X)

Carquest HD Electrical – Alternator: New, 130 Amps, With Pulley (Part No.71-7791N)

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11431A)

WAI – Ford 6G Ir/If 135 Amp/12 Volt, Cw, 6-Groove Clutch Pulley, Limited Lifetime Warranty (Part No.8444N)

Bosch – Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty (Part No.AL7547X)

Carquest Premium – Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty (Part No.8444A)

Carquest Professional – Alternator: New, 110 Amps, Limited Lifetime Warranty (Part No.8305AN)

Carquest Premium – Ignition Lock Cylinder (Part No.CSC1201)

Carquest Premium – Ignition Lock Cylinder (Part No.LCA1495)

Locksmart – Ignition Lock Cylinder (Part No.LC63180)

Dorman – Ignition Lock Cylinder: Un-Coded (Part No.924-717)

Carquest Premium – Ignition Lock Cylinder (Part No.CSC1448)

Carquest Premium – Ignition Lock Cylinder (Part No.CSA4243)

Dorman – Ignition Lock Cylinder Kit with Programming Tool (OE Fix) (Part No.924-797)

Carquest Premium – Multi-Purpose Relay (Part No.RAA1747)

Carquest Premium – Multi-Purpose Relay (Part No.SBC2105)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.19247SN)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.3267SV)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6646SV)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.19260S)

Carquest HD Electrical – Starter: New (Part No.72-3267N)

WAI – Starter: 1.2kW/12 Volt, CW, 12-Tooth Pinion (Part No.19247N)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.3221S)

Carquest HD Electrical – Starter: New (Part No.72-6646N)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6646SN)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.12916S)

WAI – Starter: 1.4kW/12 Volt, CW, 13-Tooth Pinion (Part No.19260N)

Bosch – Starter: Remanufactured (Part No.SR7533X)

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.8305A)

Carquest Premium – Alternator: Remanufactured, 135 Amps, Limited Lifetime Warranty (Part No.8303A)

Carquest Professional – Alternator: New, 110 Amps, Limited Lifetime Warranty (Part No.8305AN)

WAI – Alternator: New, 135 Amps (Part No.8303N)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6646SV)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6646S)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6646SN)

Carquest Premium – Multi-Purpose Relay (Part No.RAA1747)

Bosch – Starter: Remanufactured (Part No.SR7558X)

Carquest HD Electrical – Starter: New (Part No.72-6646N)

Carquest Premium – Ignition Lock Cylinder (Part No.LCA1495)

Dorman – Ignition Lock Cylinder Kit with Programming Tool (OE Fix) (Part No.924-797)