Last Updated on: 3rd July 2022, 05:53 pm
“The best spark plugs for 5.4 Triton are Motorcraft SP515 or SP546. These have the most reliable performance out of any other kind of spark plug when used in Triton engines. If you find yourself struggling with a Triton engine, you may need to change your spark plugs in order to fix the problem.”
Don’t go lazy looking for all distressed elements around the internet. Read us and choose from those plugs that have a durable lifespan. Why replace 5.4 triton spark plugs more hurriedly? Try replacing them during the correct intervening period.
We explain 10 suitable plugs for 5.4 tritons and show you the opportunity for OEM replacement. Genuine aftermarket plugs will get everything you need! Try from the ultimate guide.
Best Replacement Spark Plugs for 5.4 Triton- MAS Ignition Coils (DG511) with Motorcraft Spark Plugs
OUR top pick
A genuine kit to deliver you SP-515, SP-546 spark plugs, including the ignition coil! Motorcraft plugs will get you no issues, and the coils are instructed for the aftermarket category. You’ll find your truck running correctly. Besides, we love its affordable price range! Why this as our TOP-PICK? I am quite pleased with the spark plugs. You’ll be too. Check them if your requirement is compatible with Ford Lincoln Mercury V8 V10 4.6l 5.4l 6.8l engines!
Need this? Click here to check this MAS kit on Amazon.
SP-546 same as SP-515 plug?
It’s perplexing to maximum enthusiasts whether SP-546 same as SP-515 plugs. If I explain the stock plugs, they are much different than SP-515 plugs and broken off in the head. Mostly, they have a reasonable price. Let’s share an experience in case. 
I had a ’07 to drive, and I felt a jerk at low speed. It was high time to replace OEM plugs for my 5.4 engine. I heard of newer SP-546 plugs then and asked my friend about the plug. I was assured of the construction as the construction was improved in smaller OD below threads. At some angle, it looks easier to put in. I compared the SP-515 and SP-546 and got them through the same OD. You won’t experience a sign of heat from any of these plugs.
The SP-546 plugs are mostly improved in a welded and lower ground electrode, whereas the SP-515 plugs are made as one feature. Moreover, 546 plugs have a little taller porcelain. It is to be said that you will be compressing the coil spring in use through these plugs as the plugs contain a center electrode end of them. Now, it’s your choice!
We have a suggestion for the best spark plugs for 4.7 Dodge Ram. Check it if required!
10 Best Replacement Spark Plugs for 5.4 Triton Compression Table
| Products | Brand | Key-Features | W(Y) | Check Price |
|---|---|---|---|---|
| Motorcraft Spark Plug SP-546 | Motorcraft | High energy output | 1 | |
| Fram Autolite HT15-4PK Spark Plug | Fram | Made for durability | 0 | |
| Motorcraft SP515 SP546 Spark Plugs | King Auto Parts | Improved in high-quality materials | 1 | |
| AD Auto Parts (SP515) Spark Plug | AD Auto Parts | Meets specialty applications | 90 Days | |
| Motorcraft Spark Plug (SP479) | MAS | Longer Durability | 1 | |
| Champion 7989 Double Platinum Spark Plug | Champion | Backed by Heat-Active alloy | 1 | |
| Ford Racing M-12405-3V0 3 Spark Plug | Ford | Increases dependability | 2 | |
| Motorcraft SP-515 Spark Plug | Motorcraft | Cheaper on Amazon | 1 | |
| ENA Set of 8 Spark Plugs | ENA | Remedy of slow acceleration | 1 | |
| Herko Automotive SP546 (SP515) HT15 | Herko Automotive | Let your vehicle running smoothly | 1 |
Reviews Of Top 10 Best Spark Plugs for 5.4 Triton
1. Motorcraft Spark Plug SP-546 Set Of 8
Why best?
- Original Packaging
- Improved in high-quality materials
- 1 Year Replacement warranty
Compatible with:
- Ford 2004 F150 Supercrew 5.4 4X
- 2006 F-150, XLT, 5.4 3v
- 2005 F150 with the 5.4 3V V8 engine
Overview:
It is a brand new spark plug that comes in original Motorcraft technology. All the spark plugs are improved in high-quality materials and meet OEM specifications throughout the entire packaging. HERKO AUTOMOTIVE sponsors this type of Motorcraft spark plugs for direct replacement and performance ability. Aftermarket Brands have prominent ways to provide worry-free electrical performance in your vehicle. We suggest purchasing these plugs with confidence as the manufacturer gives you 1 Year Replacement Warranty.
Professional’s thought:
Michael, one of our regular clients, have tried this Motorcraft Spark Plug for his Ford 2004 F150 Supercrew 5.4 (4X) vehicle. The delivery is praiseworthy from the manufacturer as the plugs come within 2 days of ordering! I got no issues with specs, and the threads come in good condition. It takes about 3 hours to do the replacement. The Motorcraft will give you a very responsive way to throttle movement. However, My truck runs great now.
Click here to check ‘Motorcraft Spark Plugs SP-546’ on Amazon.
2. Fram Autolite HT15-4PK Spark Plug
Why best?
- Leads your vehicle with improved fuel efficiency
- Optimal performance compared to OE Design
- A lot cheaper
Compatible with:
- 2004-06 Ford F-150 V8
- 2005 F-250 5.4L 3V
- Perfect for those nasty 5.4L Ford motors
Overview:
‘Fram Autolite’ is a prominent manufacturer to provide ‘Platinum High Thread Spark Plugs’ with a unique, patented, OE design. Why choose these plugs as the right plugs anyway? You’ll get more durability and greater power through the plugs. Besides, Fram HT15-4PK Spark Plug leads your vehicle’s engine runs very smoothly. Fram provides you Pack of 4 spark plugs. I have experienced Fram Autolite Spark Plugs as the right plug for the 3rd time. Not for my vehicle but for my mates. They are Motorcraft, so 546 do their work great and run better at high RPMs. Undoubtedly, Fram spark plugs supposed to be hotter plugs recently. Improved horsepower and High Strength Steel technology provide consistent performance to the Ford 4.6L, 5.4L, and 6.8L 3-valve engines.
Professional’s thought:
We Carfiction’s experts have ordered these Spark Plugs for our client, and they look the same as the picture. It did fit perfectly in 2005 f250 5.4L 3V. No issues can be seen when replacing the old ones, either. It leads your vehicle to better at high RPMs, and it does. We get exceeded through the OEM specification and performance. The Autolite brings the right ignition products for your vehicle. Try it!
Click here to learn more about ‘Fram Autolite HT15-4PK Spark Plug’ on Amazon.
3. Motorcraft SP515 SP546 Spark Plugs from ‘King Auto Parts’ manufacturer!
Why best?
- High-grade construction
- Leads the truck to run perfectly
- Unique winding design
Compatible with:
- 2005-2008 Expedition 5.4L V8
- 2004-2008 F-150 5.4L V8
- 2005-2008 F-250 Super Duty 5.4L V8
- 2005-2008 F-350 Super Duty 5.4L V8
- 2006-2008 Mark LT 5.4L V8
- 2005-2008 Navigator 5.4L V8
Overview:
Whoa! A great designed product to get compatible with Ford 5.4 Triton engine. ‘King Auto Parts’ is a prominent manufacturer to provide a full set of MAS Ignition Coils with SP515 SP546 (Motorcraft) Spark Plugs. The Motorcraft spark plugs deliver maximum electrical current to the combustion chamber throughout the MAS Ignition Coil. Easy installation is a position sign from the manufacturer. Besides, the ignition coil contains high-quality copper for a specific model. You’ll be benefited from high energy output once the spark plugs are installed by a professional. The enthusiasts tend to Motorcraft plugs for their reliability and get no issues with the plugs anymore. The coils are aftermarket and play a good role in driving a truck perfectly.
Professional’s thought:
Grayson, one of our closest customers, says that he tried this set of ignition coils and spark plugs from the ‘King Auto Parts’ manufacturer. He has his ‘2005 Ford F150 FX4.’ Once he felt some engine misfires, he constantly had the ignition coils manually replaced by all of the plugs. Afterward, it drives so much better through the improved fuel economy.
Click here to check more about ‘MAS Ignition Coils & Motorcraft spark plugs’ on Amazon.
4. AD Auto Parts New Motorcraft (SP515) Spark Plug
Why best?
- Stands for quality and performance
- Platinum’s high melting view
- Best-suited for Ford, Lincoln, and Mercury vehicles
Compatible with:
- 06 F150 SCREW, 5.4L, 4×4 trucks
- 04-08 3v triton engines
- 2005 Ford Expedition
- Triton 4.6, 5.4, and 6.2 engine
- 04 f150 5.4 2V
Overview:
Visit the AD Auto Parts Store and choose from the pack of 8 plugs. Designs and Engineers would be common dependability in case. Do you know? Ford Motor Company approves these plugs. Motorcraft plugs are improved for specialty applications, and they fit most automobiles such as Ford, Lincoln, and Mercury vehicles. The quality of the spark plugs is high, melting through Platinum’s unmatched coverage. Why not maximizing more performance and optimum engine quality for domestic and imported trucks today? You’ll be enjoying superior resistance to erosion. Don’t worry about replacing the spark plugs most constantly; rather, and the replacement will take time between 60,000 to 100,000-mile intervals. The great price to the plugs worked as expected.
Read Also: How Many Sparks Plugs in a v6
Professional’s view:
It is exactly what you need! The plugs work as expected. The products are implemented in a 04-08 3v triton that brings with a lot of prep work. Compared to Champion plugs, we feel Motorcraft plugs are much ahead of engine performance. Still, they are working great!
Click here to check more about ‘AD Auto Parts New Motorcraft’ on Amazon.
5. MAS Ignition Coil (DG508) & Motorcraft Spark Plug (SP479)
Why best?
- High energy output
- Improved in high-grade materials
- A very affordable price for these items
Compatible with:
- 2000 Expedition 5.4 “L” engine
- 1998-2003 FORD F-150 5.4L ONLY
- 2004 FORD F-150 HERITAGE 5.4L ONLY
Overview:
Visit the MAS Store to earn benefits with MAS Ignition Coil and Motorcraft Spark Plug untogether. The ignitions coils are from MAS manufacturers’ development, whereas the spark plugs (SP479) are genuine Motorcraft. The MAS manufacturer announces that their spark plugs are compatible with the Ford 4.6L 5.4L engine. Before purchasing, please check the owner’s manual to confirm compatibility. Talking about the Ignition Coil, MAS Ignition Coil has the opportunity to meet OE specifications. Besides, the coils are engineered with high-grade materials. Motorcraft spark plugs lead your vehicle withstanding heat stress. At length, you get benefited with longer durability. Purchase with 365 days warranty and confidence.
Professional’s thought:
The Motorcraft plugs fit the 2000 Expedition 5.4 “L” engine perfectly. They work great! We have experienced a horrible misfire and decided to put in plugs and coil packs gradually. It’s now running great. Seller is very professional on-time shipping. Everything you get a description. Besides, they are worth the money demands!
Click here to check MAS products on Amazon.
6. Champion 7989 Double Platinum Spark Plug
Why best?
- Let the vehicle’s engine be smoother
- Similar to the OEM plugs
- Protected with ground electrode shield
Compatible with:
- 3 valve 5.4 in the 2004 to 2008 5.4L
- 2006 F-150 5.4l Triton engine
- 2004 Ford F150 FX4 5.4 Titan V8
- 2001 5.4 l motor in my F150
- 2007 Ford V Tech engine
Overview:
Do you need from Double Platinum Spark Plugs? Look over the Champion Store and purchase from their powerful plugs to deliver more power and performance to the vehicle. This is must be your new set of 7989’s. Before replacing the original plugs, be careful if you are having a spark plug problem not long! The original plugs mostly go through 30,000 miles. Think of installing a set of 7989’s. It is smart to install them by an anti-seize compound per the TSB. World enthusiasts rate these plugs for 100,000 miles. Undoubtedly, it is heart-whelming! During the removal process, none of the plugs get broken as they are constructed in Heat-Active alloy, the platinum center electrode, and pad ground electrode. It is to provide maximum lifespan and a bit smoother at idle.
Professional’s thought:
Max, one of our friends, has tried these plugs in his 2007 Ford V Tech engine recently. It gets you accuracy through the OEM replacement and well performance maintaining the power and mileage levels. The engine has its expected mileage life. The original Motorcraft plugs have performed well. The better way is to let the solvent soak for hours. However, you’ll notice the engine’s empowerment at idle.
Click here to check Champion 7989’s spark plug on Amazon.
7. Ford Racing M-12405-3V0 3-Valve Range Zero Spark Plug
Why best?
- Works as a genuine industry leader
- Improved in dependability and performance
- Best gas mileage as expectation
Compatible with:
- Ford 4.6/5.4 modular engine
- 2006 4.6 Mustang
- Genuine OEM specifications!
Overview:
Best-suited spark plugs for Ford 4.6/5.4 modular engine family is now easy to get found! The pack comes with a bunch of 8 plugs. Undoubtedly, ‘Ford Racing’ is a prominent company to provide genuine OEM plugs. The specialty of these plugs is giving your vehicle a fantastic look and perform just fine. Keep in mind that Ford plugs are engineered in low-temperature range plugs. However, they appear to work correctly and increases dependability, performance, and gas mileage as an expectation. You are assisted with the manufacturer’s warranty. Get it!
Professional’s thought:
We have got these spark plugs as a significant improvement over the stock plugs. The superior plugs work fine through the supercharger on the engine. Instead of changing spark plugs periodically, purchase ‘Ford Racing Spark Plugs’ to solve the shaft separation issue. It is highly recommended. These plugs do great for a blower car. It is quite practical to bring them down to .032-.038 and drive on.
Click here to check ‘Ford Racing M-12405-3V0 spark plugs’ on Amazon.
8. Motorcraft SP-515 Spark Plug
Why best?
- Far cheaper on Amazon
- Packaged nicely
- Expletives ensued
Compatible with:
- 2006 Ford F-150 5.4L V8 Triton
- 2007 F-150
- F150 5.4 L 3 valve triton
Overview:
Great-priced product. You may not like changing spark plugs in the first place. Don’t worry; Motorcraft spark plugs have an excellent OEM fitment. You have not to gap these plugs as the SP-515 plugs are pre-gapped. We recommend not purchasing these plugs at local chain auto parts stores. Instead of a local store, buy them cheaper on Amazon. These plugs won’t disappoint you! One thing I have to appreciate about the seller is to provide their plugs quickly and packaged nicely. When choosing from these plugs anyway? Once your engine runs rough and drinks more gasoline, you should make a quick diagnostic. Do you see your engine from Cylinder 1 and 8 misfiring? Replace the COP with aftermarket (SP-515) Spark Plugs. Good luck!
Professional’s thought:
In my friend Mike’s view, he got his original plugs crappy in his 2007 F-150. Original plugs are like breaking inside the engine head. On YouTube, you’ll get good videos to remove them. These plugs have an excellent OEM fitment. Most importantly, they are pre-gapped. Install them to run your vehicle like a champ.
Click here to check more about ‘Motorcraft SP-515 Spark Plugs’ on Amazon.
9. ENA Set of 8 Spark Plugs for 5.4 Triton
Why best?
- Remedies to all engine misfires
- Lead your vehicle to better ignitability
- 1 Year Limited Warranty
Compatible with:
- 2004-2008 Ford Superduty F-150 5.4L
- 2005-2008 Ford Expedition 5.4L V8
- 2004-2008 Ford F-150 5.4L V8
- 2005-2008 Ford F-250 Super Duty 5.4L V8
- 2005-2008 Ford F-350 Super Duty 6.8L V10
Overview:
Visit the ENA Store and get the original manufacturer’s Spark Plugs for F-150 Lincoln Vehicles 5.4L. ENA plugs are engineered with original equipment and applications. You will enjoy the fast and easy installation. Every component of the Spark plugs creates an opportunity for better durability and performance. What are the attractive features of this ENA plugs anyway? You’ll get all remedy of slow acceleration and low fuel economy. Besides, if you feel any engine misfiring, try replacing stock plugs as quickly as possible. ENA spark plugs deserve higher dollar products, but you get these plugs at a much lower cost.
Professional’s thought:
We have seen about the ENA spark plugs being able to supply spark to the ignition coil and cause air mixture to start your vehicle at idle. This spark plugs work as a heat exchanger and leads to the engine cooling system. ENA manufacturers bring you the capacity to dissipate heat from your vehicle and include remedies to slow acceleration and engine misfiring!
Click here to check ‘ENA Spark Plugs’ on Amazon.
10. OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs
Why best?
- Authentic Motorcraft plugs
- Quick delivery
- The truck is running smoothly
Compatible with:
- As same as the previous spark plugs in our recommendation and fits for 5.4 Triton engines.
Overview:
These plugs are engineered for Ford 5.4L. Undoubtedly, they are from authentic genuine Motorcraft authority. Who doesn’t want to purchase from the upgraded design? Once you are dead by the original brain of a plug, you get problems with the deadly mistake. Once you check Amazon reviews, the Motorcraft plugs have a maximum of 5-star reviews. As far as our experience, the spark plugs get your vehicle at 120,000 miles. However, we recommend replacing these plugs for 60,000 miles intervals. Why not gets your vehicle running smoothly? You must be happy with this manufacturer so far.
Professional’s thought:
The shipment is relatively faster as they are bought Sunday and arrived on Monday. I ordered these spark plugs to replace the original spark plugs. Easy installation for the triton engines. It takes 1-2 hours for the installation. My vehicle experienced has gone through misfire codes, then I decided to install the Motorcraft spark plugs on the back passenger side.
Click here to check ‘OEM Motorcraft Platinum plugs’ on Amazon.
Things to check before you buy the Best Spark Plugs for 5.4 Triton
If you want to choose a new set of spark plugs, it’s comfortable with us! Still, we recommend knowing the plugs entirely and things to know before purchasing them on Amazon. Read us below:
Tip 1: (Stick with the best-suited plugs)
The best-suited plugs can be identified through its construction. Are you picking from the right manufacturer? In this guide, we have chosen those plugs that are made with precious metals. Instead of traditional pins, we have priority over Platinum, yttrium, and iridium. Plus, the coatings of the spark plugs must be wear-resistant and maintain their gap longer. It’s nothing to judge with the expense, and it’s nothing like comfortable plugs will bring you to downgrade performance. You’ll go with a longer lifespan and gas mileage once purchase from renowned manufacturers. Be mindful of checking the owner’s manual and purchasing from the manufacturer’s recommended plug.
Tip: 2 (Check the gap style)
If you’re purchasing new, think of checking between the adjustable plug gaps and a fixed gap. Don’t think that gap doesn’t matter at all. Check your owner’s manual and make sure you are recommended with a fixed-gap plug or adjustable plug. Use a gap gauge to check the plug’s gap within the specified range.
Tip: 3 (Heat range)
A spark plug should be maintained with a hot and cool strategy. If needed as a better heat insulator, the spark plugs work hot. Besides, spark plugs should have the capability of conducting heat out of the tip. The manufacturers we have included in our guide have the opportunity to denote a specific heat range and the opposite for colder plugs.
Frequently Asked Questions
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Is the Triton 5.4 A good engine?
The Ford 5.4 Triton Engine is more reliable for your vehicle and the engine is instructed correctly. As far as our research, the following engine is set in motion with 12 different truck models. From 1996 to 2010, Triton has been getting used in a bunch of trucks, vans, and car models.
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What’s the cost to replace spark plugs in a Ford F-150?
Usually, the average cost for a Ford F-150 plug replacement is $250 to $300 excluding the labor costs.
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Do spark plugs come pre-gapped?
Not all spark plugs come with this strategy. Still, we have ‘Motorcraft SP-515 Spark Plug‘ with a pre-gap option. You can check it out to set your vehicle with proper recommendations. Check the gap correctly in case!
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What spark plugs does a 5.4 Triton take?
A 5.4 Triton is a very heavy-duty engine so it would take a lot of power to start the engine. The spark plugs for this model are designed for high torque engines and are made by Motorcraft. They can be purchased from any auto parts store, but you will need two sets, one set for the distributor and another set for the coil packs.
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Why do 5.4 spark plugs break?
The reason why 5.4 spark plugs break is because of the high voltage and temperature that are produced by the high-performance engine. This can damage the insulator, causing it to break down. If you want to make sure your spark plugs last a long time, install new ones sooner if they start breaking more often than usual.
Final Thought
In this guide, we have talked about the ‘Best Spark Plugs for 5.4 Triton.’ Still, we recommend checking MAS spark plugs mandatorily. The spark plugs are vital strategies to lead a successful replacement and purify the engine’s start and fuel economy thoroughly. The aftermarket plugs will allow you to smooth startup and fulfill every demand of your vehicle perfectly. Choose from us!
