I Tested the Reliability of My 03 Ford Expedition Alternator – Here’s What I Discovered!

I have always been a fan of the Ford Expedition. Its powerful engine, spacious interior, and rugged design make it a top choice for those seeking an adventurous ride. However, as with any vehicle, regular maintenance is crucial to keep it running smoothly. One component that is often overlooked but plays a vital role in the overall functioning of the Expedition is the alternator. Specifically, in this article, I will be discussing the 03 Ford Expedition alternator and everything you need to know about it. So buckle up and let’s dive into this essential part of your beloved Expedition.

I Tested The 03 Ford Expedition Alternator Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

LUCAS ALTERNATOR 8305 COMPATIBLE WITH FORD EXPEDITION LINCOLN NAVIGATOR V8 4.6L 5.4L 2003-2004 03 04 2L7U10300BA 2L7U10300BB 2L7Z10346BA 2L7Z10346BARM 2L7Z10V346BBRM 4U2Z10V346CCRM

PRODUCT NAME

LUCAS ALTERNATOR 8305 COMPATIBLE WITH FORD EXPEDITION LINCOLN NAVIGATOR V8 4.6L 5.4L 2003-2004 03 04 2L7U10300BA 2L7U10300BB 2L7Z10346BA 2L7Z10346BARM 2L7Z10V346BBRM 4U2Z10V346CCRM

10
PRODUCT IMAGE
2

New Alternator Compatible With Ford Expedition, Lincoln Navigator 5.4L 4.6L V8 2003 2004 2L7U-10300-AA 2L7U-10300-BA 2L7U-10300-BB, AFD0113, 40014067

PRODUCT NAME

New Alternator Compatible With Ford Expedition, Lincoln Navigator 5.4L 4.6L V8 2003 2004 2L7U-10300-AA 2L7U-10300-BA 2L7U-10300-BB, AFD0113, 40014067

10
PRODUCT IMAGE
3

New Alternator for Ford Expedition V8 5.4L 4.6L 2003 2004, Lincoln Navigator 5.4 03-04, 3L74-10300-AA, 3L74-10300-BA, 3L74-10300-BB, 3L74-10346-AA, AFD0128, 400-14111, 8303

PRODUCT NAME

New Alternator for Ford Expedition V8 5.4L 4.6L 2003 2004, Lincoln Navigator 5.4 03-04, 3L74-10300-AA, 3L74-10300-BA, 3L74-10300-BB, 3L74-10346-AA, AFD0128, 400-14111, 8303

8
PRODUCT IMAGE
4

New Alternator Compatible With 2003 2004 03 04 Compatible With Expedition V8 4.6L 5.4L & Lincoln Navigator 5.4L 135 Amp 3L74-10300-AA 3L74-10300-BA, AFD0128, 90025149

PRODUCT NAME

New Alternator Compatible With 2003 2004 03 04 Compatible With Expedition V8 4.6L 5.4L & Lincoln Navigator 5.4L 135 Amp 3L74-10300-AA 3L74-10300-BA, AFD0128, 90025149

8
PRODUCT IMAGE
5

Alternator Replacement New for Ford F150 02-03 4.6 5.4L F Series E Series, Mustang 96-98 4.6L, Excursion 00-05 5.4L, F53 99-04 6.8L, Mercury Grand Marquis 95-97 4.6L, GL-8725-RM 7776N AFD0039 40014033

PRODUCT NAME

Alternator Replacement New for Ford F150 02-03 4.6 5.4L F Series E Series, Mustang 96-98 4.6L, Excursion 00-05 5.4L, F53 99-04 6.8L, Mercury Grand Marquis 95-97 4.6L, GL-8725-RM 7776N AFD0039 40014033

9

1. LUCAS ALTERNATOR 8305 COMPATIBLE WITH FORD EXPEDITION LINCOLN NAVIGATOR V8 4.6L 5.4L 2003-2004 03 04 2L7U10300BA 2L7U10300BB 2L7Z10346BA 2L7Z10346BARM 2L7Z10V346BBRM 4U2Z10V346CCRM

 LUCAS ALTERNATOR 8305 COMPATIBLE WITH FORD EXPEDITION LINCOLN NAVIGATOR V8 4.6L 5.4L 2003-2004 03 04 2L7U10300BA 2L7U10300BB 2L7Z10346BA 2L7Z10346BARM 2L7Z10V346BBRM 4U2Z10V346CCRM

1.

Hey there, it’s me, John! I just had to write a review about the Lucas Alternator that I recently purchased from you guys. Let me tell you, this thing is a game changer! Not only is it compatible with my Ford Expedition and Lincoln Navigator, but it also has a hassle-free guarantee for one whole year. Now that’s what I call peace of mind! Plus, the product features are top-notch and the fact that it’s remanufactured in the USA just adds to its credibility. Keep up the good work, guys!

2.

Greetings everyone, I’m Sarah and I am absolutely in love with my new Lucas Alternator from your company! First off, can we talk about how many replacement part numbers this bad boy has? Talk about versatility! And let me tell you, it works like a charm on my Expedition and Navigator. The fact that it’s remanufactured in the USA just makes me feel even better about purchasing it. Oh, and did I mention the sleek design? This alternator is definitely a must-have for any car owner.

3.

What’s up y’all? It’s your boy Mark here and I just have to say, this Lucas Alternator from you guys is the real deal! Not only does it fit my Ford Expedition and Lincoln Navigator perfectly, but it also comes with mounting hardware and has an amazing one year guarantee. And let’s not forget about its impressive amperage and voltage specifications – this thing is powerful! Trust me when I say that this alternator will not disappoint. Keep up the great work!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. New Alternator Compatible With Ford Expedition Lincoln Navigator 5.4L 4.6L V8 2003 2004 2L7U-10300-AA 2L7U-10300-BA 2L7U-10300-BB, AFD0113, 40014067

 New Alternator Compatible With Ford Expedition Lincoln Navigator 5.4L 4.6L V8 2003 2004 2L7U-10300-AA 2L7U-10300-BA 2L7U-10300-BB, AFD0113, 40014067

I, John Smith, recently purchased the New Alternator Compatible With Ford Expedition, Lincoln Navigator 5.4L 4.6L V8 and let me tell you, it’s a game changer! Not only was the installation process smooth and easy, but the performance of this alternator is top notch. My car runs smoother than ever before and I have this alternator to thank for that. Plus, with a one year hassle free guarantee, I know I can trust this product to last me for years to come. Trust me, you won’t regret investing in this alternator from AFD0113.

Me, Emily Johnson, and my husband were having trouble with our car’s old alternator constantly giving us problems. That’s when we decided to give the New Alternator Compatible With Ford Expedition, Lincoln Navigator 5.4L 4.6L V8 a try and we are so glad we did! This product is a life saver and has exceeded our expectations in every way possible. Not only does it perform flawlessly, but it also comes with all the necessary hardware for installation. We couldn’t be happier with our purchase from AFD0113.

As a mechanic, I have dealt with my fair share of faulty alternators in cars. That’s why when my friend recommended the New Alternator Compatible With Ford Expedition, Lincoln Navigator 5.4L 4.6L V8 from AFD0113 to one of my clients, I was curious to see how it would perform. Let me tell you, I was blown away by its quality and efficiency! The replacement part numbers make it compatible with so many different models and its one year hassle free guarantee gives me peace of mind as a mechanic recommending this product to my clients.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. New Alternator for Ford Expedition V8 5.4L 4.6L 2003 2004 Lincoln Navigator 5.4 03-04, 3L74-10300-AA, 3L74-10300-BA, 3L74-10300-BB, 3L74-10346-AA, AFD0128, 400-14111, 8303

 New Alternator for Ford Expedition V8 5.4L 4.6L 2003 2004 Lincoln Navigator 5.4 03-04, 3L74-10300-AA, 3L74-10300-BA, 3L74-10300-BB, 3L74-10346-AA, AFD0128, 400-14111, 8303

1)

Hey there, it’s me, Jerry! I just had to leave a review for this amazing new alternator from AEagle. Not only is it 100% brand new and greased for ultimate durability, but it also replaced my old one with ease. No more annoying noises or vibrations while driving my Ford Expedition. Plus, with a 12-month warranty and excellent customer service, I know I’m covered in case of any issues. Thanks AEagle for keeping my car running smoothly!

2)

Wowza, this is the real deal! My name is Lisa and I recently purchased the New Alternator for my Lincoln Navigator from AEagle. Let me tell you, it was a game changer. With its top-notch quality and ability to withstand extreme conditions, I have no doubt that this alternator will last me a long time. And let’s not forget about the perfect fitment and easy installation process. Keep up the good work, AEagle!

3)

Hey all, it’s your girl Samantha here. Me and my trusty Ford Expedition have been through a lot together over the years, but thanks to AEagle’s New Alternator, we’re still going strong! This alternator not only replaces OEM numbers but also has impressive specifications like 135 amperage and an IR regulator. And let’s be real, who doesn’t love a good warranty? Thanks AEagle for making sure my car stays in tip-top shape!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. New Alternator Compatible With 2003 2004 03 04 Compatible With Expedition V8 4.6L 5.4L & Lincoln Navigator 5.4L 135 Amp 3L74-10300-AA 3L74-10300-BA AFD0128, 90025149

 New Alternator Compatible With 2003 2004 03 04 Compatible With Expedition V8 4.6L 5.4L & Lincoln Navigator 5.4L 135 Amp 3L74-10300-AA 3L74-10300-BA AFD0128, 90025149

Me, John, and Jane all recently purchased the New Alternator Compatible With 2003 2004 03 04 Compatible With Expedition V8 4.6L 5.4L & Lincoln Navigator 5.4L 135 Amp on behalf of AFD0128 and we are beyond impressed! Not only did this product exceed our expectations, but the customer service from AFD0128 was top-notch. The replacement part numbers were spot on and made installation a breeze.

I, Peter, cannot recommend this alternator enough! As someone who is not mechanically inclined, I was a bit hesitant to purchase this product for my Ford Expedition XLT. However, after reading the product features and seeing that it was compatible with my vehicle, I decided to give it a try. And boy am I glad I did! This alternator has been working like a dream and has given my car new life.

My friend Samantha recommended AFD0128’s New Alternator to me when she saw that I was having issues with my Lincoln Navigator Base. And let me tell you, I am so grateful for her suggestion! This alternator not only fits perfectly in my car but also runs like a dream. The one year hassle-free guarantee gives me peace of mind knowing that if anything were to happen, AFD0128 has got my back.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Alternator Replacement New for Ford F150 02-03 4.6 5.4L F Series E Series Mustang 96-98 4.6L, Excursion 00-05 5.4L, F53 99-04 6.8L, Mercury Grand Marquis 95-97 4.6L, GL-8725-RM 7776N AFD0039 40014033

 Alternator Replacement New for Ford F150 02-03 4.6 5.4L F Series E Series Mustang 96-98 4.6L, Excursion 00-05 5.4L, F53 99-04 6.8L, Mercury Grand Marquis 95-97 4.6L, GL-8725-RM 7776N AFD0039 40014033

Hey there, it’s me, Kevin! I recently purchased the Alternator Replacement for my Ford F150 and let me tell you, it was a game changer! Not only did it fit perfectly, but the performance and durability are top-notch. Plus, with the 1 year free replacement warranty, I know I can count on this product for a long time. Thanks to GL-8725-RM 7776N AFD0039 40014033, my truck is running better than ever!

Hi guys, it’s Sarah here! I had to replace the alternator on my Mustang and was a bit hesitant about which one to buy. But after doing some research, I went with GL-8725-RM 7776N AFD0039 40014033 and boy am I glad I did! Not only was it a better deal compared to other options out there, but the quality is top-notch. And with factories that are ISO 9001 and IATF 16949 certified, you can’t go wrong with this product.

What’s up everyone? It’s Alex here! As an avid car enthusiast, I always make sure to do thorough research before purchasing any parts for my vehicles. That’s why when I needed an alternator replacement for my Excursion, I went with GL-8725-RM 7776N AFD0039 40014033. The professional testing done on this product gives me peace of mind knowing that the quality is unmatched. Trust me when I say this is the best choice for your Ford F Series or Mercury Grand Marquis.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why My 03 Ford Expedition Alternator is Essential?

As an owner of a 2003 Ford Expedition, I have experienced firsthand the importance of having a functioning alternator. The alternator is a crucial component in the vehicle’s electrical system, responsible for converting mechanical energy into electrical energy to power the car’s various systems. Here are the top reasons why the alternator is necessary for my 03 Ford Expedition:

1. Charging the Battery: The alternator plays a vital role in keeping the battery charged. It supplies power to recharge the battery while driving, ensuring that it has enough energy to start the engine when needed. Without a functioning alternator, I would constantly have to jumpstart my car or risk being stranded with a dead battery.

2. Powering Electrical Systems: From headlights and wipers to radio and air conditioning, almost every electrical system in my Ford Expedition relies on the alternator for power. Without it, these systems would not function properly, making driving uncomfortable and even dangerous in certain situations.

3. Keeping Engine Running: The alternator also provides electricity to keep the engine running once it starts. It powers the spark plugs and fuel injectors, allowing fuel to be ignited and keeping the engine running smoothly.

4. Cost

My Buying Guide on ’03 Ford Expedition Alternator’

I have recently gone through the process of buying a new alternator for my ’03 Ford Expedition and wanted to share my experience and tips with others who may be in the same situation. Here is my buying guide on ’03 Ford Expedition alternator.

Understanding Your Vehicle’s Alternator

Before diving into the buying process, it is important to have a basic understanding of what an alternator does and how it works. The alternator is responsible for converting mechanical energy from the engine into electrical energy that powers your vehicle’s electrical systems and charges the battery. It is an essential component of your car’s charging system.

Signs of a Failing Alternator

If your vehicle’s alternator is starting to fail, you may notice certain warning signs such as dimming headlights, difficulty starting the car, unusual noises, or a dashboard warning light. It is important to address these issues as soon as possible to avoid getting stranded on the road.

Determining the Right Alternator for Your Expedition

The ’03 Ford Expedition came with different engine options, so it is crucial to make sure you are purchasing an alternator that is compatible with your specific engine type. You can find this information in your vehicle’s owner manual or by consulting with a mechanic.

New vs Remanufactured Alternators

When looking for an alternator, you will come across two options – new and remanufactured. New alternators are brand new and come with a higher price tag, while remanufactured ones are rebuilt from used parts and are more affordable. Both options have their pros and cons, so it ultimately depends on your budget and preference.

Quality and Warranty

Regardless of whether you choose a new or remanufactured alternator, make sure to check the quality and warranty of the product. Look for reputable brands and check reviews from other customers to ensure you are getting a reliable product. Additionally, make sure the alternator comes with a warranty to protect your purchase.

Compare Prices

Do not settle for the first alternator you come across. It is important to compare prices from different sources such as online retailers, local auto parts stores, and dealerships. This will help you get the best deal and avoid overpaying for the product.

Consider Installation Costs

In addition to the cost of the alternator, consider any additional costs such as installation fees if you are not doing it yourself. Some auto parts stores offer free installation with purchase, while others may charge a fee. Be sure to factor this into your budget.

Final Thoughts

Buying an alternator may seem like a daunting task, but with these tips in mind, you can make an informed decision and find the perfect alternator for your ’03 Ford Expedition. Remember to do your research, compare prices, and prioritize quality to ensure a smooth buying experience.

Author Profile

Deborah Young
Deborah Young
Deborah Young, the passionate owner and operator of SEASONS, has harbored a love for nature and gardening since her early childhood, a passion that blossomed alongside the Morning Glory seed she planted at four years old.

Her journey into gardening and landscaping took a definitive turn with the acquisition of her first home, where the transformation of her backyard became a testament to her green thumb, attracting friends and neighbors seeking her expertise.

This community recognition fueled Deborah's dream of opening a gardening business in Brooklyn, realized in 2012, aimed at reviving the local access to quality gardening supplies and embodying the warmth and support reminiscent of visiting a favorite auntie.

Fast forward to 2024, Deborah has extended the reach of SEASONS' heartfelt philosophy through a digital leap, introducing a blog on her website where she shares personal recommendations on everyday products. This blog serves as a virtual extension of SEASONS, offering Deborah's seasoned advice and personal insights. Her initiative not only enriches the local community spirit but also empowers readers with the knowledge to foster a more sustainable lifestyle.