There’s nothing more frustrating than your Ford F-150 3.5 Ecoboost sputtering or struggling to start just when you need it most. You rely on your truck every day, and a small issue like worn-out spark plugs can slow you down.
But choosing the right spark plugs can change all that. The right set keeps your engine running smoothly, improves fuel efficiency, and saves you time and stress. It’s a simple upgrade that makes a big difference in your daily drive.
In this article, I’ll walk you through the best spark plugs designed specifically for your F-150 3. 5 Ecoboost. Whether you want more power or better reliability, these picks will help your truck perform at its best. Keep reading to find the perfect spark plugs that fit your needs and get your F-150 back to running like new.
Ngk Iridium Ix Spark Plugs

The 6 pc NGK Iridium IX Spark Plugs are ideal for owners of the Ford F-150 3.5L V6 models from 2011 to 2019 who want to maintain or improve their vehicle’s ignition performance. These spark plugs are perfect for drivers seeking enhanced fuel efficiency, smoother engine operation, and reliable durability in their trucks. If you’re looking for a high-quality replacement part that ensures consistent performance, this set is tailored for you.
Pros:
- Enhanced ignition performance with Iridium IX technology for better spark and combustion.
- Improved fuel efficiency and reduced emissions.
- Long-lasting durability, reducing the need for frequent replacements.
- Precision fit for Ford F-150 3.5L V6 (2011-2019) ensuring easy installation.
- Manufactured by Sixity Auto, guaranteeing quality and reliability.
Cons:
- May be priced higher than standard spark plugs due to advanced materials.
- Requires proper installation tools and knowledge to avoid damage.
These NGK Iridium IX Spark Plugs feature a fine wire iridium center electrode, which significantly improves ignition efficiency compared to conventional plugs. This design promotes quicker starts, smoother acceleration, and better throttle response, making them a great choice for truck owners who demand reliable performance. Additionally, their robust construction helps resist wear and fouling, ensuring that your engine runs cleanly and efficiently over time.
The dimensions and weight of the spark plugs are optimized for direct compatibility with the Ford F-150 3.5L V6 engines produced between 2011 and 2019, allowing for a hassle-free replacement experience. Thanks to Sixity Auto’s manufacturing standards, users can expect consistent quality and durability. Investing in these spark plugs helps maintain engine health, reduce emissions, and ultimately enhance your vehicle’s overall performance.
Ford Racing Cold Spark Plug Set

The Ford Racing (M-12405-35T) 10-17 Flex 3.5L EcoBoost Cold Spark Plug Set is ideal for automotive enthusiasts and professionals who own or work on Ford Flex models equipped with the 3.5L EcoBoost engine from 2010 to 2017. If you are looking to enhance your vehicle’s ignition performance and ensure optimal engine efficiency, this spark plug set is designed to meet those specific needs.
Pros:
- Designed specifically for the Ford Flex 3.5L EcoBoost engine, ensuring perfect compatibility.
- Manufactured by Ford Racing, promising high-quality and reliability.
- Improves engine ignition efficiency leading to better fuel economy and performance.
- Durable construction that withstands high temperatures and harsh driving conditions.
Cons:
- Limited to Ford Flex 3.5L EcoBoost models from 2010-2017, not suitable for other vehicles.
- May require professional installation for optimal results.
The Ford Racing Cold Spark Plug Set features precision engineering tailored to the 3.5L EcoBoost engine, ensuring a consistent and reliable spark for efficient combustion. This results in smoother engine operation, reduced emissions, and improved overall vehicle responsiveness. The spark plugs’ robust construction helps them maintain performance over extended periods, reducing the frequency of replacements.
Additionally, these spark plugs contribute to enhanced fuel efficiency by promoting better ignition timing and combustion quality. Users can expect a noticeable improvement in throttle response and engine power delivery, making it an excellent upgrade or replacement for maintaining the peak performance of your Ford Flex. The compact dimensions also facilitate easy handling and installation, while the trusted Ford Racing brand guarantees quality assurance.
Champion Iridium Spark Plugs

The 6 pc Champion Iridium Spark Plugs are ideal for Ford F-150 owners with 2.7L or 3.5L V6 engines manufactured between 2011 and 2020 who are looking to enhance their vehicle’s performance and reliability. If you want superior ignition efficiency, improved fuel economy, and longer-lasting spark plugs, this product is designed specifically for you.
Pros:
- Compatible with Ford F-150 2.7L and 3.5L V6 engines from 2011-2020
- High-quality iridium construction ensures durability and better ignition
- Improves fuel efficiency and reduces emissions
- Manufactured by Sixity Auto with precise dimensions for easy installation
- Longer lifespan compared to traditional spark plugs
Cons:
- May be priced higher than standard spark plugs
- Requires proper installation to achieve optimal performance
These Champion Iridium Spark Plugs are engineered with precision to deliver consistent and powerful sparks, which enhances combustion efficiency in your Ford F-150. The iridium tip provides exceptional durability and heat resistance, meaning you get a longer lifespan and fewer replacements over time. This translates to lower maintenance costs and uninterrupted performance for your truck.
Additionally, the improved ignition performance contributes to smoother engine operation, better throttle response, and increased fuel economy. With their exact fit dimensions, these spark plugs ensure a hassle-free installation, making them a practical upgrade for anyone looking to maintain or boost their vehicle’s performance.
Yoshi Motors Dg549 Uf646 Ignition Coil Packs & Ngk Iridium Spark Plugs Set Of 6

Ideal for owners of Ecoboost Ford F150, Explorer, Expedition, and Navigator models from 2011 to 2017 with a 3.5L V6 engine, the Yoshi Motors DG549 UF646 Ignition Coil Packs & NGK Iridium Spark Plugs set of 6 is designed to enhance engine performance and reliability. This product is perfect for those seeking a high-quality replacement ignition coil pack and spark plugs that ensure efficient combustion and smoother engine operation.
Pros:
- Compatible with a wide range of Ford Ecoboost 3.5L V6 engines from 2011-2017
- Includes both ignition coil packs and NGK Iridium spark plugs for a complete ignition solution
- Manufactured by Yoshi Motors, known for reliable automotive parts
- Improves engine performance, fuel efficiency, and reduces misfires
- Durable construction with high-quality materials
- Easy installation with a complete set of 6 packs and plugs
Cons:
- Only compatible with specific Ford Ecoboost 3.5L V6 models
- Weight of over 4 pounds may require careful handling during installation
The Yoshi Motors DG549 UF646 Ignition Coil Packs & NGK Iridium Spark Plugs set provides a comprehensive upgrade for your vehicle’s ignition system. The inclusion of both coil packs and iridium spark plugs ensures that your engine receives a consistent and powerful spark, which is crucial for optimal combustion. This combination not only increases engine responsiveness but also enhances fuel economy, helping drivers save on gas expenses over time.
Designed specifically for Ford’s Ecoboost 3.5L V6 engines, these ignition components are built to withstand the demands of daily driving and harsh conditions. The NGK Iridium spark plugs are known for their longevity and superior electrical conductivity, while the coil packs deliver stable voltage to each cylinder. Together, they reduce engine misfires, rough idling, and emissions, contributing to a smoother and cleaner driving experience.
6 Pc Ngk Ruthenium Hx Spark Plugs

The 6 pc NGK Ruthenium HX Spark Plugs are ideal for Ford F-150 owners with a 3.5L V6 engine from model years 2011 to 2019 who are looking to enhance their vehicle’s ignition performance and reliability. These spark plugs are perfect for those who demand consistent engine efficiency, improved fuel economy, and a longer-lasting ignition component that can withstand rigorous driving conditions.
Pros:
- High durability due to ruthenium electrode design
- Compatible specifically with Ford F-150 3.5L V6 (2011-2019)
- Improved ignition performance leading to better fuel efficiency
- Reduced misfires and smoother engine operation
- Manufactured by trusted brand NGK and distributed by Sixity Auto
Cons:
- May be priced higher than standard copper spark plugs
- Installation may require professional assistance for some users
- Limited compatibility strictly for Ford F-150 3.5L V6 engines from 2011-2019
The NGK Ruthenium HX Spark Plugs feature a robust ruthenium electrode that significantly enhances the lifespan and ignition efficiency compared to traditional spark plugs. This design allows for a more precise and stable spark, which results in improved combustion and reduced fuel consumption. The specific compatibility with the Ford F-150 3.5L V6 (2011-2019) ensures that these spark plugs fit perfectly and operate optimally within the engine’s parameters.
Additionally, the spark plugs are engineered to minimize fouling and misfires, contributing to smoother engine starts and consistent power delivery. With dimensions tailored to fit the engine seamlessly and a lightweight construction of just 0.66 pounds, these plugs also facilitate easier installation and maintenance. Overall, these spark plugs provide a reliable upgrade that enhances engine performance and longevity for Ford F-150 owners.
Frequently Asked Questions
What Are The Best Spark Plugs For F150 3.5 Ecoboost?
The NGK Iridium IX and Champion Iridium spark plugs are top choices. They offer excellent ignition and durability for 3. 5L EcoBoost engines. Both enhance performance and fuel efficiency in Ford F-150 models from 2011-2020.
How Often Should F150 3.5 Ecoboost Spark Plugs Be Replaced?
Spark plugs should be replaced every 60,000 to 100,000 miles. Using iridium or ruthenium plugs can extend lifespan. Regular replacement ensures optimal engine performance and fuel economy.
Are Ngk Iridium Ix Spark Plugs Compatible With F150 3.5l V6?
Yes, NGK Iridium IX plugs fit 2011-2019 Ford F-150 3. 5L V6 engines perfectly. They provide reliable ignition and improve throttle response for EcoBoost models.
Can Ignition Coil Packs Improve F150 3.5l Ecoboost Performance?
Yes, quality ignition coil packs like Yoshi Motors DG549 paired with NGK Iridium plugs boost spark strength. This enhances combustion, engine smoothness, and overall performance.
What Benefits Do Champion Iridium Spark Plugs Offer For F150?
Champion Iridium plugs deliver superior wear resistance and consistent firing. They improve fuel efficiency and reduce misfires, making them ideal for Ford F-150 2. 7L and 3. 5L EcoBoost engines.
Are Ngk Ruthenium Hx Spark Plugs Better Than Iridium For F150?
NGK Ruthenium HX plugs offer enhanced durability and ignition stability. They are a great alternative to Iridium plugs, providing long service life and efficient combustion in 3. 5L EcoBoost engines.
Conclusion
Choosing the right spark plugs for your F150 3. 5 Ecoboost can improve engine performance and fuel efficiency. The NGK Iridium IX and Ruthenium HX plugs offer durability and reliable ignition. Champion Iridium plugs provide consistent power and smooth starts.
Pairing spark plugs with quality ignition coil packs, like Yoshi Motors, ensures better combustion. Using the correct spark plugs helps reduce misfires and engine wear. Regular replacement keeps your truck running strong and saves money on repairs. Always check compatibility with your truck’s year and engine size before buying.
Good spark plugs make your F150’s engine cleaner and more efficient. A small upgrade that can make a big difference. Keep your truck healthy and ready for the road. Choose wisely for the best driving experience.

My name is Max langon and I am the founder of automothrone.com website. From this website, you will get automotive related information

