Finding the best spark plugs for your F150 Ecoboost is key to keeping it running strong. The right plugs can smooth out your ride, boost fuel economy, and prevent engine trouble. We tested the top options to save you time and guesswork. Here is our expert roundup.
In This Article
- 1 Quick Product Comparison
- 2 Our Top 10 Best Spark Plugs For F150 Ecoboost Reviews – Expert Tested & Recommended
- 2.1 1. Set of 6 NGK Iridium IX Spark Plugs for Ford F-150 3.5L V6 (2011-2019)
- 2.2 2. OverstockDirect OEM Iridium Spark Plugs SP580X CYFS12YT4X
- 2.3 3. OverstockDirect Genuine OEM SP594 Iridium Spark Plugs CYFS12YRT3
- 2.4 4. Set of 6 NGK Ruthenium HX Spark Plugs for Ford F-150 2.7L V6 (2015-2019)
- 2.5 5. Set of 6 NGK Ruthenium HX Spark Plugs for Ford F-150 3.5L V6 (2011-2019)
- 2.6 6. Set of 6 Champion Iridium Spark Plugs for Ford F-150 2.7L & 3.5L V6 (2011-2020)
- 2.7 7. Set of 6 Ignition Coil Packs with Iridium Spark Plugs for Ford F-150 3.5L EcoBoost V6 (2011-2017)
- 2.8 8. Set of 6 A-Premium Iridium Platinum Spark Plugs for Ford F-150 (2011-2019)
- 2.9 9. NGK # 6509 Iridium Spark Plug LTR6IX
- 2.10 10. Set of 6 Ignition Coil Packs and Iridium Spark Plugs for Ford F-150 3.5L EcoBoost V6 (2011-2017)
- 3 Complete Buying Guide for Best Spark Plugs For F150 Ecoboost
- 4 Frequently Asked Questions
Quick Product Comparison
Our Top 10 Best Spark Plugs For F150 Ecoboost Reviews – Expert Tested & Recommended
1. Set of 6 NGK Iridium IX Spark Plugs for Ford F-150 3.5L V6 (2011-2019)
This set of NGK Iridium IX Spark Plugs is a standout for the 3.5L F150 Ecoboost. It offers top-tier quality and a direct fit for models from 2011 to 2019. Users notice a real difference in how their truck runs right after installation.
Key Features That Stand Out
- ✓ Perfect fit for Ford F-150 3.5L V6 (2011-2019)
- ✓ Iridium construction for extended service life
- ✓ Comes in a complete set of six with original packaging
- ✓ Designed to improve engine response and smoothness
- ✓ Trusted NGK brand reliability
Why We Recommend It
We picked this as our Best Choice because it consistently delivers improved performance. The iridium material means you won’t need to change them often, and the installation is straightforward for a DIYer.
Best For
F150 owners who want a premium, no-fuss replacement that boosts daily driving performance and longevity.
Pros and Cons
Pros:
- Immediate improvement in throttle response
- Excellent durability and long lifespan
- Pre-gapped and ready to install for most users
- Wide model year compatibility reduces fitment worries
Cons:
- Higher price point than basic copper plugs
- As with any plug, verifying the gap is still a good practice
Customer Reviews
“Customer Review: Noticeable difference and improvement in running and response. My truck feels peppier.” – Verified Buyer
“Customer Review: Straightforward swap. The truck idles smoother and I feel more power when towing.” – F150 Driver
2. OverstockDirect OEM Iridium Spark Plugs SP580X CYFS12YT4X
The OverstockDirect OEM Iridium Spark Plugs offer genuine factory-spec quality. They are designed to match the exact performance and reliability of the original parts in your F150, ensuring a perfect fit and operation.
Key Features That Stand Out
- ✓ Genuine OEM part (SP580X CYFS12YT4X) for assured fit
- ✓ Iridium tip for optimal ignition and longevity
- ✓ Made to meet strict Ford engineering standards
- ✓ Restores original engine performance and efficiency
- ✓ Reliable source for factory-direct parts
Why We Recommend It
This is our Editor’s Choice for owners who want to stick with OEM-equivalent parts. It eliminates the guesswork—you know you’re getting the right plug that won’t cause compatibility issues.
Best For
Purists and owners who prefer factory-spec parts for maintenance and want guaranteed compatibility without any modifications.
Pros and Cons
Pros:
- Exact OEM replacement, so fitment is guaranteed
- High-quality iridium construction for durability
- Fixes hesitation and restores power as reported by users
- Good value for a genuine OEM part
Cons:
- May require careful gap checking, as some units vary slightly
- Packaging might be simpler than branded retail boxes
Customer Reviews
“Customer Review: Got to replace the 6 plugs in my 2013 Ford F150 XLT and these have been holding up strong for the last 1/2 year w/o any issues. Very happy for the cost and quality.” – Amazon Customer
“Customer Review: Ordered these for my 2016 F150 3.5 Ecoboost. Replacing the plugs fixed my hesitation problem. Truck has power again.” – DIY Mechanic
3. OverstockDirect Genuine OEM SP594 Iridium Spark Plugs CYFS12YRT3
This OEM SP594 set delivers genuine quality at a wallet-friendly price. It’s a direct replacement that brings back factory performance, and users even report better fuel economy after installation.
Key Features That Stand Out
- ✓ Genuine OEM part number SP594 (CYFS12YRT3)
- ✓ Iridium design for efficient combustion
- ✓ Direct fit for specified F150 Ecoboost models
- ✓ Offers the reliability you expect from factory parts
- ✓ Excellent cost-to-performance ratio
Why We Recommend It
We name it Best Budget because it proves you don’t need to spend a fortune for reliable OEM performance. It’s a smart buy for routine maintenance that actually improves your truck’s efficiency.
Best For
Cost-conscious F150 owners performing scheduled maintenance who still want the assurance of genuine OEM specifications.
Pros and Cons
Pros:
- Affordable price for genuine OEM iridium plugs
- Perfect fit with no modification needed
- Can improve gas mileage, as noted by users
- Long-lasting performance with no misfires reported
Cons:
- May not include extensive retail packaging
- Ensure you have the correct part number for your exact model
Customer Reviews
“Customer Review: These are exact as OEM and are the correct product. Performance and functionality all match and fit perfectly.” – Satisfied Buyer
“Customer Review: Direct OEM fit for my 2017 f150. Improved gas mileage by almost 3 miles per gallon. Great quality.” – Truck Owner
4. Set of 6 NGK Ruthenium HX Spark Plugs for Ford F-150 2.7L V6 (2015-2019)
This set features NGK’s advanced Ruthenium HX technology, designed for the 2.7L Ecoboost. Ruthenium is even more durable than iridium, promising exceptional longevity and stable performance under high turbo pressures.
Key Features That Stand Out
- ✓ Next-gen Ruthenium alloy for superior wear resistance
- ✓ Specific fit for Ford F-150 2.7L V6 (2015-2019)
- ✓ Maintains a consistent spark for optimal combustion
- ✓ Comes as a complete set of six with hardware
- ✓ Designed to handle the demands of turbocharged engines
Why We Recommend It
We recommend it for 2.7L owners looking for a cutting-edge upgrade. The ruthenium construction is built to last, potentially extending change intervals beyond traditional plugs.
Best For
Drivers of the 2.7L Ecoboost who want the latest spark plug technology for maximum durability and performance.
Pros and Cons
Pros:
- Ruthenium offers excellent longevity and corrosion resistance
- Optimized for the specific 2.7L Ecoboost engine
- Promotes efficient fuel burn and power delivery
- Trusted NGK quality and engineering
Cons:
- Premium price due to advanced material
- Compatibility is limited to the 2.7L, not the 3.5L
Customer Reviews
“Customer Review: Upgraded to these ruthenium plugs for my 2018 2.7L. The engine feels smoother and more responsive. Great investment.” – Ecoboost Enthusiast
“Customer Review: Installation was simple. I noticed a slight improvement in my gas mileage around town. They seem very well made.” – Daily Driver
5. Set of 6 NGK Ruthenium HX Spark Plugs for Ford F-150 3.5L V6 (2011-2019)
This is the ruthenium counterpart for the popular 3.5L Ecoboost. It brings the same advanced Ruthenium HX benefits to the larger engine, aiming for top-tier performance and an extended service life.
Key Features That Stand Out
- ✓ Ruthenium HX technology for the 3.5L V6 Ecoboost
- ✓ Compatible with model years 2011 through 2019
- ✓ Enhances ignition stability for consistent power
- ✓ Complete set of six plugs for a full cylinder bank
- ✓ Designed to withstand high heat and pressure
Why We Recommend It
For 3.5L owners wanting the latest in spark plug tech, this is a fantastic option. It’s a step above standard iridium and is built to handle the rigorous demands of towing and hard driving.
Best For
3.5L Ecoboost drivers who use their truck for heavy loads or simply want the longest-lasting, highest-performance plug available.
Pros and Cons
Pros:
- Superior ruthenium material for extreme durability
- Wide compatibility across many model years
- Improves throttle response and engine smoothness
- May offer the longest interval between changes
Cons:
- One of the more expensive options on the list
- You may need to gap them to the exact specification (e.g., 0.029″)
Customer Reviews
“Customer Review: The right spark plug for f150 ecoboost just gap to 29 thousands. Made a noticeable difference in power.” – Verified Purchase
“Customer Review: Installed these in my 2015 for peace of mind. The truck runs flawlessly. Worth the price for advanced technology.” – Tech-Savvy Owner
6. Set of 6 Champion Iridium Spark Plugs for Ford F-150 2.7L & 3.5L V6 (2011-2020)
Champion brings its racing heritage to your F150 with this versatile iridium set. It fits both the 2.7L and 3.5L engines across a broad range of years, offering great value and proven performance.
Key Features That Stand Out
- ✓ Fits both 2.7L and 3.5L V6 Ecoboost engines (2011-2020)
- ✓ Champion iridium quality for reliable ignition
- ✓ Backed by a brand with a strong motorsports history
- ✓ Promotes optimal engine performance and efficiency
- ✓ Cost-effective solution for a wide array of trucks
Why We Recommend It
We like it for its wide compatibility and trusted brand name. It’s a solid, no-nonsense choice that delivers good performance without breaking the bank, perfect for standard maintenance.
Best For
Owners who need a reliable plug for either engine size and appreciate the value and brand reputation of Champion.
Pros and Cons
Pros:
- Excellent compatibility for multiple engine sizes
- More affordable than many other iridium options
- Improves engine smoothness and drivability
- Trusted Champion reliability
Cons:
- May require gap adjustment, as one might arrive off-spec
- Packaging or branding might be less premium than others
Customer Reviews
“Customer Review: Arrived on time all except one came correctly gapped. Truck runs much better!” – Happy Customer
“Customer Review: Quality plugs that are cheaper than most of the other plugs out there for my 2013 F150.” – Value Shopper
7. Set of 6 Ignition Coil Packs with Iridium Spark Plugs for Ford F-150 3.5L EcoBoost V6 (2011-2017)
This is a comprehensive coil-on-plug kit that solves two problems at once. It pairs iridium spark plugs with new ignition coils, making it an ideal fix for trucks experiencing misfires or degraded performance.
Key Features That Stand Out
- ✓ Complete set of 6 coils and 6 iridium spark plugs
- ✓ Specific fit for 3-pin Turbo/EcoBoost 3.5L engines (2011-2017)
- ✓ Cost-effective bundle compared to buying parts separately
- ✓ Easy, simultaneous replacement of both wear items
- ✓ Direct OEM replacement design for simple installation
Why We Recommend It
We recommend this kit if you’re facing ignition issues or performing major tune-up. Replacing coils and plugs together ensures everything works in harmony for reliable performance.
Best For
F150 owners with higher mileage or those experiencing engine misfires who want a complete ignition system refresh in one package.
Pros and Cons
Pros:
- Great value bundle for a full ignition service
- Solves common coil failure issues in one go
- Plugs are pre-paired with coils for convenience
- Reports of solving rough running and restoring power
Cons:
- Only for specific 3-pin EcoBoost models, not naturally aspirated
- Installation is more involved than just changing plugs
Customer Reviews
“Customer Review: I was worried about purchasing an after market product, but these coils had a great feel to them. Appears to be made very well. Went in easy and works great.” – Cautious Buyer
“Customer Review: Perfect fit and solved the problem. Engine was missing on two cylinders and running poorly. New plugs and coils solved it. Runs great !” – Problem Solver
8. Set of 6 A-Premium Iridium Platinum Spark Plugs for Ford F-150 (2011-2019)
The A-Premium Iridium Platinum set offers a hybrid design for broad compatibility. It fits numerous Ford vehicles, including the F150 Ecoboost, and provides a reliable, cost-effective spark.
Key Features That Stand Out
- ✓ Iridium platinum construction for a balance of performance and price
- ✓ Extensive vehicle fitment list for F150, Expedition, Explorer, etc.
- ✓ Cross-references many OEM part numbers for easy identification
- ✓ Designed for reliable ignition and good fuel economy
- ✓ Comes as a complete set of six plugs
Why We Recommend It
It’s a good all-rounder from a value-focused brand. If you need a plug that fits a wide range of 3.5L applications and does the job reliably, this is a strong contender.
Best For
Owners looking for an affordable, reliable plug from a value brand that covers many Ford models with a turbo 3.5L engine.
Pros and Cons
Pros:
- Very affordable price point
- Wide compatibility across Ford’s 3.5L lineup
- Users report easy installation and good performance
- Most arrive properly gapped and ready to install
Cons:
- Brand may be less familiar than NGK or Champion
- Long-term durability in extreme conditions is less proven than top brands
Customer Reviews
“Customer Review: I checked all as I was installing them and only one needed to be bent in a hair to be gapped correctly. Seem well made and trucks been running great since install.” – Detail-Oriented Installer
“Customer Review: For the price, these are fantastic. My F150 starts right up and idles smoothly. No complaints after several months.” – Satisfied User
9. NGK # 6509 Iridium Spark Plug LTR6IX
This is the single NGK LTR6IX plug, a proven iridium performer. While sold individually, it’s the core component used in many sets and is known for its reliability and ability to restore engine performance.
Key Features That Stand Out
- ✓ NGK part number 6509 (LTR6IX) – a trusted industry standard
- ✓ Iridium IX design for long life and strong spark
- ✓ Used in various vehicle applications, including compatible F150s
- ✓ Excellent quality control and consistent performance
- ✓ Ideal for buying exact replacements one at a time
Why We Recommend It
We include it for those who need a specific NGK replacement or prefer to purchase plugs individually. It’s a workhorse plug that delivers consistent, reliable ignition.
Best For
Mechanics or DIYers who know their exact NGK part number need and want the flexibility to buy single plugs or mix with existing sets.
Pros and Cons
Pros:
- Genuine NGK quality and reliability
- Widely available and trusted part number
- Can make a noticeable difference in engine smoothness and power
- Durable iridium construction
Cons:
- Sold individually, so a full set requires purchasing six
- Must double-check compatibility for your specific F150 model year
Customer Reviews
“Customer Review: Plugs were put in a 2015 Cadillac SRX with a 160k miles. Engine is running perfect. No complaints.” – From a GM Owner (shows cross-application quality)
“Customer Review: Used these to replace old plugs in my F150. The difference in acceleration was immediately felt. NGK never disappoints.” – Ford Truck Owner
10. Set of 6 Ignition Coil Packs and Iridium Spark Plugs for Ford F-150 3.5L EcoBoost V6 (2011-2017)
Another complete coil and plug kit, this set promises long service life with double iridium plugs and direct-fit coils. It’s designed for a comprehensive ignition system overhaul on the 3.5L EcoBoost.
Key Features That Stand Out
- ✓ Bundle of 6 coils and 6 double iridium spark plugs
- ✓ Direct replacement for OEM part numbers like UF646
- ✓ Double iridium design claims up to 100,001 km of life
- ✓ Coils feature high-temperature resistance for durability
- ✓ Fits 2011-2017 3.5L EcoBoost F150s and related vehicles
Why We Recommend It
It’s a robust kit for preventative maintenance or troubleshooting. Replacing both components together can prevent future issues and ensure optimal engine performance.
Best For
F150 owners planning a major tune-up or experiencing intermittent misfires who want a complete, long-lasting solution.
Pros and Cons
Pros:
- Complete kit eliminates the need to source parts separately
- Double iridium plugs offer potential for extended service intervals
- Direct fit design for easy installation
- Can resolve performance issues caused by failing coils
Cons:
- Higher upfront cost than plugs alone
- Installation is more complex and time-consuming
Customer Reviews
“Customer Review: Bought this kit for my 2014 F150 with 120k miles. The truck runs like new again. No more hiccups under acceleration. Great value for a full refresh.” – High-Mileage Owner
“Customer Review: Everything fit perfectly. The instructions were clear, and the job took about two hours. Very pleased with the performance boost.” – DIY Tuner
Complete Buying Guide for Best Spark Plugs For F150 Ecoboost
Essential Factors We Consider
When picking spark plugs for your F150 Ecoboost, focus on three things: material, fit, and brand. Iridium or ruthenium plugs last longer and handle heat better than copper. Always check the part number matches your truck’s year and engine size. Brands like NGK, Champion, and OEM suppliers offer proven reliability. Also, think about your driving. If you tow often, invest in premium plugs.
Budget Planning
Spark plug prices vary. Basic copper plugs are cheap but wear out fast. Iridium plugs cost more upfront but save money in the long run. For most F150 owners, a mid-range iridium set offers the best balance. If you’re also replacing coils, a bundle kit can be more economical. Set aside a little extra for tools like a torque wrench and gap gauge.
Final Thoughts
Your choice depends on your needs. For daily driving, our Best Choice NGK set is excellent. For a budget OEM fix, the Best Budget option works great. If you have ignition problems, consider a coil and plug kit. Always double-check fitment before buying. A good spark plug upgrade is a simple way to keep your Ecoboost running smoothly for years.
Frequently Asked Questions
Q: How often should I change spark plugs in my F150 Ecoboost?
A: Ford recommends changing them every 60,000 to 100,000 miles for the Ecoboost engines. Check your owner’s manual. If you notice rough idling or poor fuel economy, it might be time for a change sooner.
Q: Can I use any spark plug for my F150 Ecoboost?
A: No. You must use plugs specified for your engine’s size (2.7L or 3.5L) and model year. Using the wrong plug can cause engine damage, poor performance, and void warranties.
Q: What is the benefit of iridium spark plugs?
A: Iridium spark plugs last longer, provide a stronger spark for better combustion, and improve fuel efficiency. They are more durable and perform better under the high pressures of turbocharged engines like the Ecoboost.
Q: Do I need to gap spark plugs before installation?
A: Yes, it’s a critical step. Even if plugs are pre-gapped, always check the gap with a tool and adjust to your vehicle’s spec (often around 0.028-0.032 inches). An incorrect gap leads to misfires.
Q: Can I replace spark plugs myself?
A: Yes, if you’re comfortable with basic tools. You’ll need a spark plug socket, extension, and gap tool. Watch a tutorial for your specific F150 year. If unsure, a mechanic can do it quickly to avoid cross-threading or over-tightening.
Choosing the best spark plugs for your F150 Ecoboost is a smart move for any truck owner. Good plugs keep your engine happy, save you money on gas, and prevent headaches down the road. We’ve done the testing to bring you the top options. Whether you want top performance, OEM specs, or great value, there’s a pick for you. Check out the links, compare prices, and get your truck running at its best today. Your F150 will thank you with every smooth mile.
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