Best Spark Plugs for 5.4 Triton

You’re probably looking for “the best spark plug for Triton 5.4”, aren’t you? Here you can choose from a list of the top ten brands that will make your ignition system start your engine at full throttle.

Don’t just sit idly by and search for all the problematic items on the Internet. Read our information and choose long-lasting spark plugs. Why are you in a hurry to change spark plugs? Try to replace them at the right intervals.

We only clarify the spark plugs that are suitable for the 5.4 ton and show you the OEM replacement options. The genuine aftermarket spark plug would satisfy all your requirements. Experiment with it from the final guide.

SP-546 same as SP-515 plug?

Many enthusiasts are perplexed as to whether the SP-546 device is the same as the SP-515 plug. If I explain the replacement plugs, they are not the same as the SP-515 plugs and are missing from the head. They are usually priced just right. Anyway, let’s share our experience.

My driving performance was 07, and I felt numb at low speeds. The OEM plug on my 5.4 engine needed to be replaced. Later, I learned about the new SP-546 spark plug and inquired about it with a friend. This fix makes me feel more at ease because it has been beefed up with a narrower outside diameter below the thread. From a certain angle, it looks easier to insert. I contrasted the SP-515 and SP-546 plugs, each with the same outside diameter. These plugs would not make you sweat.

The SP-546 plug’s soldered lower ground electrode is the most improved, while the SP-515 plug is made as a feature. Also, the porcelain of the 546 plugs is more expensive. Since the plug includes the rim of the center electrode, it can be assumed that you will need these devices to compress the coil spring in use.

Best Replacement Spark Plugs for 5.4 Triton

1. ENA Spark Plugs

These plugs are compatible with a variety of Ford models from 2004 to 2008, as well as a variety of Lincoln vehicles! They can work on your vehicle!

When purchasing, make sure your vehicle make and model are compatible with these spark plugs – they are intended for original equipment or repair and are suitable for engine modders!

You do not have to worry about the safety of these spark plugs. All spark plug parts meet or exceed OE standards. Compared to other spark plugs on the market, it delivers reliable and exceptional results! In addition, the spark plug comes with a one-year extended warranty. ENA spark plugs give you total peace of mind.

The platinum used in these spark plugs provides increased longevity and efficiency that will last a lifetime.

2. MAS Ignition Coil DG508

MAS Ignition has the spark plugs you’re looking for at a reasonable price! This eight-pack of ignition coils and spark plugs is compatible with a wide range of models and has a long service life. Use a model tester to make sure the plug fits your vehicle – simply enter the year, make, and model of the vehicle to get the results in seconds!

They are designed to match or exceed OE requirements and undergo stringent quality management checks prior to sale to ensure their product is not too perfect. You don’t have to worry about the integrity of these plugs! They even offer a one-year warranty, ensuring your loyalty and protection!

The coil and plug are constructed of high-quality materials and are very easy to assemble. The thicker copper wire of the coil will enhance the ignition ability. They are usually heat resistant and withstand low contamination.

3. Motorcraft Platinum SP546 HT13

OEM Motorcraft spark plugs are a decent idea if you want a higher value package. A collection of eight spark plugs offers an excellent price/performance ratio.

The spark plug has a platinum tip, which increases spark plug longevity and power. They can also be seen for a range of cars. Before you buy them, use the compatibility checker to make sure they are compatible with your vehicle make and model.

High-quality spark plugs have higher accuracy, which increases driving efficiency and reduces fuel consumption. It has an unusual platinum rim, as well as nickel alloy electrodes. These products are extremely heat-resistant and help corrosion resistance.

The plug is easy to assemble and use, ensuring that no obstacles will damage your engine. The extension rod terminal is perfect and lightweight, which will help prevent fouling on the road. The plug has the advantage of starting to self-clean faster. This is a fantastic feature.

4. MAS Ignition Coils DG11

These MAS ignition plug coils with Motorcraft spark plugs are another perfect package. The 8-piece kit costs a little more than the other items on this page, but both are of good quality.

When purchasing, be sure to check not only if the vehicle make and model are compatible, but also if the boots are bent, so be sure to check. This information will allow you to choose the right ignition coil from this category based on your needs.

Using coils and connectors at the same time reduces engine failures and allows you to easily repair them at home. The coil is constructed of high-quality copper and is intended to eliminate engine misfires. You have two spark plug options, SP515 and SP456, both recommended by Ford Motor Company, so use them with confidence.

The spark plug is constructed of high-quality platinum, which has a higher melting point and is corrosion resistant.

5. AD Auto Parts New Motorcraft

These spark plugs from AD Auto Parts are an excellent choice for those who value durability and precision. Ford Motor Company built, manufactured, and suggested SP515 spark plugs, so you can trust them.

They are compatible with most automobiles and are particularly recommended for Ford, Lincoln, and Mercury models. Please use an automotive tester before purchasing to make sure your vehicle make and model are compatible with the spark plugs. You should have no problems, as suggested by Ford.

6. Fram Autolite HT15-4PK Spark Plug

Fram Autolite is a well-known designer offering a unique and proprietary OE concept for the “High Thread Platinum Spark Plug”. Why have they chosen these connectors as the right spark plug? With the use of this connector, greater longevity and strength are achieved. In addition, Fram HT15-4PK spark plugs will improve the performance of your vehicle’s engine. Fram offers four spark plug kits.

For the third time, I have found the Fram Autolite spark plug to be the right spark plug. Not for my car, but for my buddies. Since they are Motorcraft, the 546s can do the job well and do it well at high RPM. Fram plugs could be cooler lately, no doubt. The power upgrade and high-strength steel construction offer consistent performance for Ford’s 4.6-, 5.4-, and 6.8-liter three-valve engines.

7. Champion 7989 Double Platinum Spark Plug

Is it essential to use dual platinum spark plugs? Check out Champion’s store and purchase items from their strong spark plugs to give your vehicle more power and performance. Chances are it will be their latest 7989 packages. Note if there is a spark plug problem shortly before removing the initial plug. Most early plugs had 30,000 miles on them. Consider putting in a range of 7989s.

TSB recommends mounting them with an anti-seize agent. These connectors are rated 100,000 miles by audiophiles worldwide. This is, without a doubt, heartbreaking! Since the spark plug is made of a thermally active metal, a platinum core electrode, and a pad ground electrode, none of the spark plugs were lost during the disassembly phase. This ensures full-service life and seamless operation while not in use.

Things to check before you buy the Best  Spark Plugs for 5.4 Triton

If you need help buying new spark plugs, our buyer’s guide will help you.


The first thing you can do is to check if the spark plug is compatible with your engine. You will not be able to get the proper result if the plug is not compatible. Incompatible spark plugs would not assemble properly, and would often result in holes that could lead to major malfunctions.

Fortunately, selecting a suitable plug is not a game of chance. Most manufacturers encourage you to verify if the plug is compatible by entering the vehicle model. At that point, you will be asked if the plug is compatible. Therefore, when searching for spark plugs, be sure to have the car model on hand!


As with most electrical equipment, the performance of spark plugs depends on the quality of the materials used.

The spark plug structure must contain metal to ensure excellent strength and longevity. Platinum or iridium-tipped spark plugs are some of the most popular and highest quality spark plugs on the market. Be sure to check the electrode before purchase to ensure proper resistance.

Changing Intervals

Spark plugs, unfortunately, do not last indefinitely, so check the approximate run time of the spark plugs. Typically, estimates are provided in miles, which means the time it would take to fix or install the spark plug.

The typical service time for choosing spark plugs is 60,000 to 100,000 miles. It is important to keep in mind that these are only projections. You may get fewer or more miles depending on driving conditions, just as you may refuel.

How hot can it go

The melting point of the replacement spark plug is also a critical consideration. The engine heats up as soon as it starts and the spark plug must be able to withstand these high temperatures. Platinum spark plugs are again a good choice. They usually have a strong melting point and are resistant to cracking.

Take note of these spark plugs, as well as their melting points. Isn’t it true that if the spark plug is going to melt, there is no reason to fix it?

Note that some plugs are marketed as corrosion resistant. These use materials or coatings to protect the internal components of the plug. Still, it’s a good idea to read consumer reviews and get an idea of the plug’s performance.

Easy to install

When purchasing spark plugs, it is often advantageous to buy spark plugs that are simple to fit. Most replacement spark plugs, fortunately, are simple to add.

Pay particular attention to specified devices that are simple to install or spark plugs that have been praised as simple to install by other customers. These are perfect choices for those who have never removed spark plugs before.

As with any electrical part, exercise extreme caution and make sure you have the proper protective equipment. If you run into any problems, there are plenty of videos accessible on the Internet.


1) How often should you change spark plugs on 5.4 Triton?

If there is no problem, the spark plug should be replaced after 100,000 miles. Before exceeding this figure, if you experience any problems, such as repeated fires, improper treatment, low fuel consumption, etc., you can inspect the spark plug and repair it if possible.

2) How many spark plugs does 5.4 Triton have?

It has eight spark plugs which, preferably, can all be removed at the same time.

3) Are Motorcraft spark plugs pre-gapped?

Yes, the iridium spark plugs are now gapped. Most spark plugs are pre-spaced these days, so it’s a smart thing to double-check before buying.

4) Is the Triton 5.4 A good engine?

The Ford 5.4 Triton engine is more reliable for your vehicle and the engine is correctly listed. According to our research, the follower engine starts in 12 different truck models. From 1996 to 2010, Triton has been widely used in trucks, vans, and car models.

Final Thought 

In this post, we cover the ‘Best Spark Plugs for 5.4 Triton’. MAS spark plugs can also be tested on a daily basis. Spark plugs are important to ensure a reliable fix and fully purify engine starting and fuel economy. Aftermarket spark plugs can guarantee a smooth start and will follow all of your vehicle’s specifications – choose from our options!