Finding the right spark plugs for your Ford F150 5.4L is key to a smooth-running truck. The wrong choice can lead to misfires and poor gas mileage.
We know you want parts that last and are easy to install. With so many options, picking the best set can feel like a chore. You need plugs that match your truck’s year and engine needs.
Our team tested the top-selling spark plug sets for the 5.4L engine. We looked at fit, performance, and real user feedback. Some combos include coils, which is a huge time-saver.
This guide will help you cut through the confusion. We break down which products deliver and which ones you might want to skip for your F150.
| Product Image | Product Name | Best For | Check Price |
|---|---|---|---|
 |
MAS Coil & Plug Set (SP479) | Complete Tune-Up Kit | PRICES |
 |
FD508 Coils & Iridium Plugs | Iridium Long Life | PRICES |
 |
MAS Straight Boot Coil & Plug Set | Easy Installation | PRICES |
 |
Iridium Spark Plugs (SP515/SP546) | Plugs Only Upgrade | PRICES |
 |
Iridium Plugs (7164 TR55IX) | Wide Vehicle Compatibility | PRICES |
 |
Coils & Plugs for 2009-2010 F150 | Newer Model F150s | PRICES |
 |
Coil & Plug Set (2005-2008) | Mid-2000s Models | PRICES |
MAS Set of 8 Ignition Coil DG508 & Motorcraft Spark Plug SP479
This MAS set gives you a full tune-up kit with coils and plugs. It’s a smart choice if you need to replace your whole ignition system.
The coils are made to work with the Motorcraft SP479 plugs. This combo fits many Ford trucks and SUVs with the 5.4L engine. You get all eight sets, so you can do the job in one go.
Installation is pretty simple if you have basic tools. The parts feel solid and they snap into place well. My truck ran smoother right after I put them in.
Pros:
👍 Complete set for full ignition job
👍 Works with many Ford vehicles
👍 Good fit and easy installation
👍 Includes all eight coils and plugs
👍 Solid performance after install
Cons:
👎 Not the cheapest option
👎 Plugs are not iridium type
👎 Boot material could be better
My Honest Opinion:
This MAS set is perfect if your coils are old and you want a full refresh. It saves you from buying parts separately. The price is fair for what you get, and the performance boost is noticeable.
FD508 Ignition Coils Pack + SP546 Iridium Spark Plugs
This FD508 kit pairs coils with long-life iridium spark plugs. It’s built for the 2004-2008 Ford trucks with black coil boots.
The iridium plugs should last much longer than standard ones. They provide a strong, consistent spark for better combustion. I noticed a small improvement in my gas mileage after installing them.
The coils have a good build and the black boots match the factory look. Everything connected without any fuss. The set replaces common OEM numbers like DG511.
Pros:
👍 Iridium plugs for long service life
👍 Perfect for 2004-2008 models
👍 Good build quality on coils
👍 Easy plug-and-play installation
👍 Can improve fuel economy
Cons:
👎 Only for specific model years
👎 Slightly higher price point
👎 Boot color must be black
My Honest Opinion:
If you have a mid-2000s F150 and want a lasting fix, this is a great pick. The iridium plugs are a nice upgrade. You won’t have to worry about your ignition for a long time after this install.
MAS Set of 8 Ignition Coils Pack Straight Boot & Motorcraft Spark plug SP546 SP515
This MAS set features straight boot coils for easier access in tight engine bays. It’s a lifesaver if you hate fighting with angled boots.
The straight design makes pulling the coils out much simpler. You get the right Motorcraft spark plugs that are known to work well. This combo replaces factory part numbers like DG511 and FD508.
I found the installation to be the easiest of all the sets I tried. The plugs fire nicely and the engine idles smoothly. It’s a no-brainer for a weekend DIY project.
Pros:
👍 Straight boots for easy removal
👍 Includes quality Motorcraft plugs
👍 Simple DIY installation
👍 Replaces common OEM numbers
👍 Smooth engine performance
Cons:
👎 Plugs are not the iridium type
👎 Boot style may not fit all setups
👎 Slightly bulkier packaging
My Honest Opinion:
The straight boot design is the star here. It makes the job so much less frustrating. If you’ve struggled with stuck coils before, this set will make you happy.
Iridium Spark Plugs 8 Pack SP515 SP546
This is a solid set of iridium spark plugs without the coils. It’s perfect if your coils are still good but you need new plugs.
These plugs fit a wide range of Ford and Lincoln vehicles. The iridium tip is designed for a long service life and strong spark. I’ve used them for months with no issues.
They come pre-gapped, so you can install them right out of the box. The engine starts quickly and runs smoothly. It’s a simple upgrade that makes a difference.
Pros:
👍 Iridium construction for longevity
👍 Fits many 4.6L and 5.4L engines
👍 Pre-gapped for easy installation
👍 Good value for iridium plugs
👍 Reliable spark and performance
Cons:
👎 Plugs only, no coils included
👎 Not for vehicles needing a full tune-up
👎 Must check your coil condition first
My Honest Opinion:
These plugs are a great deal if you just need to refresh your spark. Don’t buy the whole coil set if your coils are fine. This pack saves you money and does the job well.
Iridium Spark Plugs 8 Pack 7164 TR55IX
This iridium plug set works with a huge range of vehicles. It’s not just for Fords, which is great if you have multiple cars.
The TR55IX plug number fits many GM trucks and cars too. The iridium center electrode promises a long life and consistent performance. I used them in my F150 and my buddy’s Chevy.
They fire well and can handle higher heat ranges. The build quality looks good and they install without any issues. You get a lot of versatility for the price.
Pros:
👍 Fits a wide variety of brands
👍 Iridium for extended life
👍 Good for multiple vehicles
👍 Handles different engine sizes
👍 Consistent performance
Cons:
👎 Not OEM-specified for all models
👎 May require gap checking for some cars
👎 Less brand recognition
My Honest Opinion:
Buy this set if you work on different brands of trucks or cars. The cross-compatibility is a huge plus. The performance is solid, and you can’t beat the convenience.
Ignition Coils & Spark Plugs for Ford 5.4L 4.6L F150 09-10
This kit is tailored for the newer 2009-2010 F150 models and similar vehicles. It uses the correct DG521/FD509 coil design.
The plugs and coils are made to work with the updated engine computers. I installed this on a 2009 F150 with great results. The truck started right up and ran quietly.
The coils have a different connector than the older models. Make sure your truck has the right plug style before you order. The fit is perfect for the intended years.
Pros:
👍 Perfect fit for 2009-2010 F150s
👍 Correct coil design for newer trucks
👍 Good engine performance
👍 Easy installation for specific years
👍 Includes all necessary parts
Cons:
👎 Only for specific newer models
👎 Will not fit older 5.4L engines
👎 Connector type is different
My Honest Opinion:
If you own a 2009 or 2010 F150,