Best Diesel Injectors For Powerstroke Engines – A Complete List

A boost in performance while also showing some fuel economy benefits is what injectors for Powerstroke engines are all about, really.

I took some time to make a list that’ll help you find the best injectors and see them in a direct, side-by-side comparison. These are all valuable bits of information that’ll lead you to find the best one for yourself – and, more specifically, your vehicle.

Granted, this is a process that might take some time, but trust me when I say – it will be worth it.

Fuel economy is the main reason the majority of those who are reading this article are looking or the best diesel injectors for Powerstroke engines, so that will be the main focus of this article.

But you shouldn’t forget the boost in performance you’ll notice as soon as you get one of these things in your truck. The difference is no joke – and should be considered one of the most significant benefits of injectors for Powerstroke engines.

Now, without further ado, let’s jump straight into the list and see what diesel injectors for Powerstroke engines are the most viable options for you.

Top 5 Diesel Injectors For Powerstroke Engines – Comparison Chart & Reviews 

First, let’s rank all of the injectors that I’ll introduce to you today – just to see how they compare. Then I’ll get into the individual, in-depth reviews and show you how they earned these ratings.

Here are my top 5 picks:

PRODUCT OVERALL SCORE PRICE
Delphi EX63803AD Diesel Injector ★★★★★ Check Today’s Deal
GB Remanufactured Fuel Injector ★★★★☆ Check Today’s Deal
HEUI Injector For Ford 7.3 Powerstroke ★★★★☆ Check Today’s Deal
Platinum Remanufactured Fuel Injector For 7.3L Powerstroke ★★★★☆ Check Today’s Deal
Bostech Remanufactured Gold Series Fuel Injector ★★★☆☆ Check Today’s Deal

 

 

As you can see, these are all valid and reliable choices for you. There are a couple that I personally recommend for a few reasons.

The top pick is, without a doubt, the Delphi EX63803AD Diesel Injector since it showed the most considerable boost in performance and the most fuel efficiency out of all of the options I’ve tested.

The “best budget pick” title goes to the GB Remanufactured Fuel Injector as it offers you the best performance-to-price ratio.

These two made the top of the list for these – and a few more – reasons, so keep an eye out for them while we discuss the other ones.

Now that you’ve seen the complete list and how the products on it rank, let’s get into some more detail and see what every single item gets you for your money – and how useful and reliable it is in everyday situations.

1. Delphi EX63803AD Diesel Injector

Our Rating: ★★★★★ 

The first place, as you already know, is reserved for the product made by Delphi. It might seem unusual to some of you reading this, but this time, the coveted, top-of-its-class spot goes to a rebuilt injector rather than a new one.

There are a lot of reasons that would justify a remanufactured unit taking the lead. And don’t worry – I’m going to talk about that in a second here.

Since these remanufactured injectors have been used in the past, most companies acquire them using a core policy. But for some reason, that is not the case with Delphi.

Delphi guarantees that these products have been disassembled, cleaned, and checked for any damage and faults that might have appeared while under use by the previous owners.

If such things happen, they’re fixed and dealt with before being shipped to you as the new owner. 

Even more so, after complete reassembly, the injector is tested against strict OEM specifications to ensure it is ready for consumer usage with full capacity.

Another fantastic thing about this product is that it comes with a one-year warranty. So, in case anything happens, you can replace it and get a new one – without having to pay again or look for alternatives.

I like this policy – especially when it comes to a reused part. It shows how much Delphi trusts in what they do and how they do it. And you should, too.

PROS CONS
Fully disassembled to ensure there are no faults No core refund
Nozzle, screws, O-rings are brand new
12-month long warranty

 

2. GB Remanufactured Fuel Injector

Our Rating: ★★★★☆

This one offers the best price-to-quality ratio on this entire list. So, this is probably the injector worth considering for some of you who don’t want to spend a lot of money but still hope to get your needs met.

This model comes from the company GB Remanufacturing – and the name tells you that this injector is also rebuilt.

It seems that the rebuilt injectors show similar – or, in some cases, even better – results than the brand new ones. Not what you expected to hear, is it?

I suspect that’s because when an injector is disassembled to be checked, it allows the manufacturer to address any potential problems before the product reaches its buyer.

One thing that should be noted is that these injectors are sold individually – and not in a pack.

I’m mentioning this because, usually, it’s recommended that you replace all your injectors at the same time. That way, you can keep them working for the same time, as well.

On the flip side, when one of your injectors fails or suffers critical damage, it’s best that you buy one individually – instead of spending your money on the whole pack just to use one of them.

This one has a core charge applied when you purchase it, but you have to send the old one back.

These have been thoroughly tested to ensure they meet OEM specifications and standards. You can rest assured that the product you receive has been strictly tested under rough conditions.

There is a reason GB Remanufacturing is one of the number brands when it comes to reconditioning – and the reason why this company has been in business for over 30 years.

One thing I have noticed is that O-rings have a tendency to break within the first year of use, though. So, to prevent that from happening, I highly recommend you buy them separately and replace them as needed.

 

PROS CONS
Meets the OEM standards Potentially weak O-rings
Core policy present
Sold individually

 

3. HEUI Injector For Ford 7.3 Powerstroke

Our Rating: ★★★★☆

Alliant Power brings you the next product on this list – an HEUI (Hydraulic Electronic Unit Injection) Injector for Ford. This company is well-known in the car-part world, so I’m sure you’ve heard of them before.

The one difference between this Alliant Power injector and the previous two is that this HEUI unit is brand new rather than remanufactured.

While this does eliminate the possibility of ending up with a faulty or broken product, it does not mean that it’s somehow better than any of my other picks.

But because this is the first brand new product on this list, I will go a bit more in-depth.

The first thing that I noticed – and thought was interesting – is that even though they sell brand new products, they also offer a Core policy. That means that if you submit your old injector, you’ll get up to $75 when doing so.

One advantage is that the plunger has been coated using tungsten, so the durability of this product might exceed some of the other injectors on this list.

Also, this product has been tested under strict OEM rules and standards. So, that’s one more similarity to the other rebuilt injectors on this list.

That’s never a bad thing. It means that the product is tested under the most strict conditions and should meet a standard of endurance and toughness.

The thing I like the most about this product, though, is that it comes with a 24-month warranty that’ll keep you care-free for as long as you use this injector.

 

PROS CONS
Meets OEM specifications More expensive than rebuilt ones
2-year warranty
Brand new (not rebuilt)

 

4. Platinum Remanufactured Fuel Injector For 7.3L Powerstroke

Our Rating: ★★★★☆

Here’s yet another remanufactured diesel injector for your Powerstroke engine. There is a slight stigma surrounding rebuilt and remanufactured car parts – but I can assure you that there’s no real reason for that.

Just remember that as long as you have a warranty, you don’t have to worry about you ending up without a proper fuel injector – or any other part, for that matter.

That is exactly why this injector comes with a one-year warranty. I assure you that, even if your injector fails for some reason, it will be covered by the warranty – so you shouldn’t worry about it.

One of those remanufactured injectors that exceeded the brand new ones is this one here. Rebuilt injectors for 7.3l Powerstroke seem to be much more durable than the brand new ones. 

How? 

Well, it’s probably because they undergo the most strict tests out there.

That brings me to the information that this injector has also passed the OEM tests and deemed viable for use – even though it’s been rebuilt and remanufactured.

Another good thing about these injectors is that, although they’re rebuilt, their manufacturers use brand new parts in the remanufacturing process. It means that you are technically getting a rebuilt product, but with brand new components, which make it function much longer – and better – than you’d expect.

Seeing this is a significant indicator that even though it’s not brand new, you shouldn’t worry about the injector being prone to failing more than the one that’s not rebuilt.

PROS CONS
Passed the OEM testing
12-month warranty
Rebuilt with new parts

 

5. Bostech Remanufactured Gold Series Fuel Injector

Our Rating: ★★★☆☆

The last pick on this list is yet another remanufactured fuel injector. If it wasn’t apparent by now, I think that this proves my point that these injectors dominate not only my round-up but the market in general, too.

This Bostech injector is claimed to be disassembled fully, inspected, fixed, and reassembled before shipping. A thorough process like this allows the manufacturer to detect, review, and fix any and all potential problems that might come with a rebuilt fuel injector – or any car part, actually.

Much like my previous pick, this one is rebuilt with new parts, including O-rings and seals. So, you don’t have to worry about them falling for quite some time.

But here’s the thing: 

I haven’t found any information on these injectors being OEM tested. 

And that’s one of the biggest reasons I put it in the last place on this list.

If you ask me, it’s crucial for a product to be tested following industry-wide standards and requirements. That way, I can be certain that they can endure anything and everything that might be thrown their way.

But, it seems that people from Bostech thought about how they can reassure their customers when it comes to their product. That’s my next point: 

Bostech is the only company that gives you a three-year warranty on their injectors – or a 100,000-mile warranty. So, regardless of if three years have passed or you drove 100,000 miles with their injectors, your product will be covered.

It might not be enough for some of you – but to me, this is quite enough to trust them. 

 

PROS CONS
Three-year or 100000-mile warranty Not OEM tested
Strict process of disassembly and reassembly No core refund
New parts used to rebuild

 

Diesel Injectors For Powerstroke Engines – FAQs

Q: How Long Do 7.3 Injectors Last?

A: The answer to this question might vary depending on several surrounding circumstances. Generally speaking, though, the lifespan of an injector is around a year or more. 

That’s why most companies give warranties that provide at least a year of coverage.

If you decide to go with a brand of injectors with a warranty that’s two or three times longer than the one-year standard, you should expect them to last at least that much.

With that said, you should keep your car or truck in check at all times, so the injectors should also be checked and maintained regularly – since this prolongs their life expectancy.

Q: What Size And Type Of Injectors Are Used In The 7.3 Powerstroke?

A: The 7.3 Powerstroke uses HEUI style injectors. That is an acronym – and it stands for Hydraulically Actuated Electronic Controlled Unit Injection.

This type of injector is the latest and greatest when it comes to the world of injectors. They are electronically signaled, which is quite an upgrade.

While we’re at it, the 7.3 Powerstroke was manufactured from 1994 – and up until 2003. From 1994 to 1997, the injector was a 98cc AA unit with single shots.

Q: If My Injectors Go Wrong, Can I Do Something To Fix Them Myself?

A: I generally don’t recommend fixing the injectors on your own – especially if they are still under the manufacturer’s warranty.

It’s always more convenient to send it back to the manufacturer and get a new one for free – or at least get it fixed by a professional. Plus, it’s safer that way, too.

If your injectors break down after their warranty has expired, though, you can try a few things to fix it.

For example, a nozzle or an O-ring is easy to replace

So, if you notice that one of these parts is broken, you can easily replace it with the help of a simple YouTube video or a detailed step-by-step guide. The point is, you should be able to do that on your own. 

Q: Are Rebuilt Fuel Injectors Worse Than The Brand New Ones?

A: No. There’s no reason to believe that, because rebuilt injectors have been used before, they will show worse performance than the brand new ones.

Companies that rebuild fuel injectors do it with great care and test them thoroughly – as if they were brand new. So, there’s no room for concern in terms of their reliability here.

In order to confirm this, you should look into OEM and similar tests that hold these injectors to a satisfactory, industry-wide standard.

Best Diesel Injectors For Powerstroke Engines – Conclusion

It’s evident that there are many things to consider when choosing the best injector for Powerstroke engines. And again, I’d like to point out something:

Do not let the fact that the majority of these injectors are rebuilt concern you. 

Generally speaking, that shouldn’t be viewed as a deal-breaker – unless in a scenario where you have a pretty good, hard-to-beat reason to buy a brand new one, of course.

All of these are good choices for you; they are the top five best injectors out there, after all. That doesn’t mean that you can’t go wrong – but it does mean that there’s a high possibility you’ll be satisfied with your choice.

Again, I highly recommend the Delphi EX63803AD Diesel Injector since it’s the best one out there currently.

That’s why it made the top of the list – but that doesn’t necessarily mean that it’s the best one for everyone.

If you’d like to get a good injector for an affordable price, there are other options worth considering.

At the end of the day, it all depends on what you’re looking for, what your preferences are, and what’s your budget.

All-in-all, I wish you good luck on your journey – and I sincerely hope that you will find a diesel injector that meets your standards and suits all your needs!

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