Choosing the right spark plugs for your Ford F150 Ecoboost is a big deal. Your truck’s power and fuel use depend on it.
With so many brands and types out there, picking the best set can be confusing. You want something that lasts and gives you a smooth ride. It is your hard-earned money on the line.
We looked at the top spark plug sets for the 3.5L Ecoboost engine. Some are full kits with coils, others are just the plugs. We found what works and what does not.
This guide will help you make a smart choice. Let’s find the perfect spark plugs for your F150.
| Product Image | Product Name | Best For | Check Price |
|---|---|---|---|
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Yoshi Motors Coil & Plug Kit | Complete Tune-Up | PRICES |
 |
Coil and Iridium Plug Set | Value Bundle | PRICES |
 |
Motorcraft SP548 Plug Set | OEM Replacement | PRICES |
 |
NGK Iridium IX Plugs | Performance | PRICES |
 |
Double Iridium Coil & Plug Set | Long Life | PRICES |
 |
Champion Iridium Plugs | Budget Choice | PRICES |
 |
LTR6IX Iridium Plugs | Wide Compatibility | PRICES |
Yoshi Motors DG549 UF646 Ignition Coil Packs & NGK Iridium Spark Plugs
This Yoshi Motors kit gives you everything for a full tune-up. You get six ignition coils and six NGK iridium plugs.
The coils are made to match the OE part number DG549. They provide a strong, reliable spark for your turbo engine. I found the installation to be simple with basic tools.
NGK is a trusted name in spark plugs. These iridium plugs are built to last and handle high heat well. The kit covers most 2011-2017 3.5L Ecoboost models.
Pros:
👍 Complete kit with coils and plugs
👍 Uses quality NGK iridium plugs
👍 Direct fit for easy installation
👍 Covers many Ford and Lincoln models
👍 Good value for a full set
Cons:
👎 Not for trucks beyond 2017
👎 Brand is less known than others
👎 You pay for coils you might not need
My Honest Opinion:
If your truck needs both coils and plugs, this Yoshi kit is a great pick. You get trusted NGK plugs with matching coils. It saves you from buying parts separately.
Set of 6 Ignition Coil Pack Iridium Spark Plug 3.5 EcoBoost V6
Here is another full kit that pairs coils with iridium plugs. It is made for the 3.5L Ecoboost V6 engine.
The coils are built to work with part numbers DG549 and SP534. They offer a good spark for better combustion. I like that everything comes in one box.
These iridium plugs are designed for long life and stable performance. They resist wear and fouling in turbocharged engines. The set fits models from 2011 to 2017.
Pros:
👍 All-in-one solution for a tune-up
👍 Iridium plugs for long service life
👍 Correct fit for many Ford vehicles
👍 Affordable bundle price
👍 Simple plug and play installation
Cons:
👎 Brand is not a household name
👎 Long-term durability is unproven
👎 Limited model year coverage
My Honest Opinion:
This is a solid budget-friendly bundle. If you want to replace your coils and plugs without breaking the bank, consider this set. It gets the job done for a fair price.
New Motorcraft SP548 Spark Plug Set of 8
Motorcraft is the original equipment brand for Ford. This SP548 set is what your truck had from the factory.
You get eight plugs, which is two more than you need for a V6. That is great because you will have spares on hand. The quality control is top-notch.
These plugs are designed specifically for the Ecoboost engine’s needs. They handle heat and pressure from the turbo without issue. I trust Motorcraft for a sure fit and reliable operation.
Pros:
👍 Genuine OEM manufacturer
👍 Perfect fit and performance
👍 Includes 8 plugs for extra spares
👍 Trusted reliability and quality
👍 Works with many Ford Mustang and F-150 models
Cons:
👎 Higher price than some brands
👎 Plugs only, no coils included
👎 Material is not long-life iridium
My Honest Opinion:
You can’t go wrong with factory parts. If you want the exact plug Ford engineers picked, get the Motorcraft SP548. It is the safe and reliable choice.
6 pc NGK Iridium IX Spark Plugs
NGK is a favorite among car fans for a reason. Their Iridium IX plugs offer great performance and long life.
The fine wire iridium tip allows for a strong, consistent spark. This can lead to smoother idle and better throttle response. I have used NGK in many projects with great results.
These plugs are built to resist corrosion and electrical wear. They work with a wide range of 2011-2019 F-150 models. You get a set of six for a full engine change.
Pros:
👍 Top-tier brand known for quality
👍 Iridium construction for long life
👍 Improves combustion efficiency
👍 Wide model year compatibility
👍 Trusted by professional mechanics
Cons:
👎 Pricier than standard copper plugs
👎 You only get the plugs, no coils
👎 Requires careful gap checking before install
My Honest Opinion:
For the best blend of performance and durability, choose NGK. These iridium plugs are a step up from factory ones. Your engine will run smooth and strong.
UF646 Ignition Coil & SP534 Double Iridium Spark Plug
This kit uses double iridium technology for extra long life. It pairs UF646 ignition coils with SP534 spark plugs.
Double iridium means both the center and ground electrodes have iridium plating. This reduces wear even more for a longer service interval. The coils are made to deliver a hot, consistent spark.
Compatibility is broad, covering many Ford and Lincoln vehicles from 2011-2017. The set is a direct replacement for worn-out parts. Installation is straightforward for a DIY job.
Pros:
👍 Double iridium for maximum longevity
👍 Matched set of coils and plugs
👍 Covers many truck and SUV models
👍 Improves engine response and efficiency
👍 Good for high-mileage vehicles
Cons:
👎 Premium price for advanced technology
👎 May be overkill for low-mileage trucks
👎 Brand recognition is not as strong as others
My Honest Opinion:
If you plan to keep your truck for many more miles, this double iridium set is a smart buy. It costs more now but should last a very long time.
6 pc Champion Iridium Spark Plugs
Champion offers a budget-friendly iridium option for your F150. This set covers both the 2.7L and 3.5L Ecoboost engines.
The iridium center electrode provides a focused spark for clean burns. These plugs are designed to fight pre-ignition in turbo motors. I like the wide compatibility from 2011 to 2020.
Champion is a well-known brand with a long history. You get the benefits of iridium without the high cost of other brands. It is a solid value pick for a routine change.
Pros:
👍 Very affordable iridium plug set
👍 Fits both 2.7L and 3.5L engines
👍 Covers a decade of model years
👍 Good performance for the price
👍 From a trusted American brand
Cons:
👎 Not the top choice for max performance
👎 Plugs only, no other components
👎 Some users report mixed long-term results
My Honest Opinion:
Want iridium quality without a big bill? Champion is your answer. These plugs do the job well for most daily drivers. You save money for your next tank of gas.
Iridium Spark Plugs 6 Pack 94374 LTR6IX
This set is listed with a common part number many people search for: LTR6IX-11. It has very wide vehicle coverage.
The plugs work with 2011-2020 F150s, Expeditions, and even Lincoln Navigators. That is a huge range of models and years. The iridium construction promises a long service life.
Heat range and electrode design are suited for turbocharged engines. They help prevent misfires under boost. The set includes all six plugs you need for the job.
Pros:
👍 Extremely wide model compatibility
👍 Correct heat range for turbo motors
👍 Iridium for durability and performance
👍 Easy to find