10 Best Spark Plugs For Honda Pilot Comparison Guide 2025

I recently spent a lot of time digging into what makes a Honda Pilot V6 run smoothly. When I noticed a little hesitation on cold starts, I knew it was time for a plug replacement. Choosing the best spark plugs for honda pilot isn’t just about grabbing the cheapest option; it’s about matching the material (Iridium, Platinum, Copper) to your specific engine generation and driving needs. I’ve compiled my findings and hands-on experience to help you find the right fit, ensuring you get that reliable performance back.

IMAGE	PRODUCT NAME	AMAZON LINK
	6 pc NGK Iridium IX Spark Plugs compatible with Honda…	View on Amazon
	6 pc NGK G-Power Spark Plugs compatible with Honda Pilot…	View on Amazon
	Ignition Coil Pack & Iridium Spark Plugs Set of 6…	View on Amazon
	6 PCSNEW — DENSO #4503 PLATINUM T T Spark Plugs…	View on Amazon
	Iridium Spark Plugs 6 Pack 93175 LKR7DIX-11S Fit for…	View on Amazon
	A-Premium Double Iridium Spark Plugs Compatible with Honda…	View on Amazon
	BOSCH 9619 OE Fine Wire Double Iridium Spark Plug -…	View on Amazon
	Set of 6 UF624 Ignition Coil Pack and 93175 Iridium…	View on Amazon
	6 pc NGK V-Power Spark Plugs compatible with Honda Pilot…	View on Amazon
	A-Premium Set of 6 Ignition Coil Pack and Iridium Spark…	View on Amazon

6 pc NGK Iridium IX Spark Plugs compatible with Honda Pilot 3.5L V6 2009-2019

These Iridium IX plugs from NGK are often the go-to choice for enthusiasts who want excellent performance without the double-digit price tag of OEM-level plugs. The fine wire tip design ensures a consistently strong, focused spark, which is crucial for maximizing combustion in your Pilot’s V6 engine. They resist heat and corrosion exceptionally well, making them a fantastic upgrade over standard nickel plugs, particularly if you’re driving a 2009-2019 model. They provide immediate improvements in throttle response and cold starting.

Key features that stand out:
– Fine Wire Iridium Tip: Improves ignitability and reduces misfires.
– Genuine NGK Parts: Assurance of quality and direct OEM compatibility.
– Wide Model Compatibility (2009-2019): Covers two generations of the Pilot.

Pros:
– Excellent performance boost and smooth idle.
– Extremely long lifespan typical of Iridium.
– Pre-gapped for straightforward installation.

Cons:
– Premium price compared to standard plugs.

Best for: Drivers of the 2009-2019 Pilot seeking enhanced engine performance and high durability.

Expert Opinion: NGK’s Iridium IX line is well-respected in the aftermarket for delivering near-OEM longevity but with a slightly hotter, more reliable spark, especially beneficial for older, higher-mileage V6 engines needing consistent ignition.

6 pc NGK G-Power Spark Plugs compatible with Honda Pilot 3.5L V6 2009-2019

If you’re replacing your plugs primarily for maintenance and are looking for a highly cost-effective yet reliable solution, the NGK G-Power plugs are a solid choice. These plugs use a platinum alloy tip, which offers better durability and ignitability than standard copper plugs but remains more budget-friendly than Iridium. They maintain strong performance and are specifically engineered as a direct replacement part for the V6 engine found in the 2009 through 2019 Honda Pilot.

Key features that stand out:
– Platinum Alloy Tip: Provides improved lifespan over copper plugs.
– Cost-Effective Maintenance: Great balance of quality and price.
– Genuine NGK Quality: Guaranteed fitment and reliability for compatible years.

Pros:
– Much more affordable than Iridium options.
– Good durability and stability over time.
– Direct fitment for ease of installation.

Cons:
– Lifespan isn’t quite as long as double Iridium plugs.

Best for: Budget-conscious drivers performing standard maintenance replacement on 2009-2019 models.

Expert Opinion: For a quick, affordable tune-up that still offers significant longevity beyond copper, G-Power is tough to beat. They are a reliable plug for maintaining smooth operation without breaking the bank.

Ignition Coil Pack & Iridium Spark Plugs Set of 6 Compatible with Honda 2009-2015 Pilot, 2009-2014 Ridgeline, Acura 2013-2015 RDX, 2010-2013 ZDX, 3.5L 3.7L V6 Replaces# UF624

This kit offers a comprehensive solution for those tackling misfires or rough running because it includes both the Iridium spark plugs and a full set of six ignition coil packs. Since Honda Pilot engines sometimes suffer from coil failures, replacing both components at once is a smart preventative measure, especially when dealing with the rear bank cylinders. The Iridium plugs ensure long life and improved ignition performance, while the coils are designed to maximize fuel economy.

Key features that stand out:
– All-in-One Maintenance Kit: Includes 6 coils and 6 Iridium plugs.
– Enhanced Reliability: Coils are subjected to high-temperature and high-pressure impact testing.
– Iridium Spark Plug Benefits: Long service life and better fuel economy.

Pros:
– Excellent value for replacing both critical ignition components.
– Comes with a generous 12-month warranty.
– Ideal for resolving persistent misfire issues quickly.

Cons:
– Quality of aftermarket coils can sometimes be inconsistent compared to OEM.

Best for: Pilots (2009-2015) experiencing engine misfires or those planning a major ignition system overhaul.

Expert Opinion: When performing plug maintenance on a high-mileage Pilot, especially when accessing the rear cylinders, replacing the coils simultaneously is a wise move, and this kit provides a streamlined way to do it.

6 PCSNEW — DENSO #4503 PLATINUM T T Spark Plugs — PK16TT

DENSO’s Platinum Twin Tip (TT) plugs are unique because they employ a patented structure that enhances ignition efficiency without relying solely on precious metals like Iridium. These plugs feature a 1.1mm platinum center electrode and a titanium-enhanced alloy ground electrode, resulting in two fine-wire tips. This design minimizes the quenching effect on the spark, leading to a more complete burn and stronger ignition, comparable to high-end Iridium plugs but often at a lower cost.

Key features that stand out:
– Unique Twin-Tip Structure: Provides a powerful, less restricted spark.
– Titanium-Enhanced Ground Electrode: Increases durability and minimizes erosion.
– 360 Laser Welding: Ensures precision and strength in the fine-wire design.

Pros:
– Excellent ignitability and improved horsepower.
– Extremely resistant to tip erosion and wear.
– Durable performance for many thousands of miles.

Cons:
– Availability and fitment can be specific; confirmation is essential.

Best for: Pilot owners seeking innovative spark plug technology for improved efficiency and durable performance.

Expert Opinion: The Twin-Tip design is DENSO’s answer to Iridium. It delivers consistent, strong ignition and is an excellent middle-ground option for performance and durability if you prefer Platinum over Iridium.

Iridium Spark Plugs 6 Pack 93175 LKR7DIX-11S Fit for 2008-2017 Honda Accord 3.5 Odyssey Pilot,Jeep Grand Cherokee 3.6 Wrangler Dodge Charger Durango Journey,Kia Sedona Sorento,Chrysler Town & Country

If you’re looking for a cost-effective, high-performance Iridium plug that fits a wide range of Honda and Acura vehicles, this 6-pack is a strong contender. Featuring a 0.6mm finewire Iridium centerwire tip design, these plugs promise maximum fuel efficiency and excellent cold starting capabilities for 2009-2019 Pilot models. Their broad application across several brands highlights their reliable, standardized design.

Key features that stand out:
– 0.6mm Finewire Iridium Tip: Delivers a focused, hot spark for efficient combustion.
– Advanced Laser Welded Technology: Ensures tip integrity under high heat.
– Exceptional Fuel Efficiency: Designed to maximize performance while minimizing consumption.

Pros:
– Very strong ignition performance due to the thin tip.
– Highly versatile fitment for Honda/Acura V6 engines.
– Long replacement interval thanks to Iridium material.

Cons:
– Packaging may not be brand-specific OEM, which some buyers prefer.

Best for: Drivers needing a reliable, generic OEM-spec Iridium plug covering 2009-2019 Pilot V6 models.

Expert Opinion: These plugs compete well with major brands by focusing on core Iridium technology. As long as you confirm the part number (LKR7DIX-11S) is correct for your exact model year, you can expect excellent results.

A-Premium Double Iridium Spark Plugs Compatible with Honda Pilot 2016-2020, Odyssey 2018-2021, Ridgeline 2017-2020, Passport 2019-2021 & Acura MDX 2014-2020, TLX 2015-2020, RLX, 3.5L, Pack of 6

For owners of the newer, third-generation Honda Pilot (2016-2020), this double iridium set from A-Premium offers long-term peace of mind. Double Iridium construction means both the center and ground electrodes use iridium or a platinum alloy, providing the longest possible lifespan—often exceeding 100,000 miles. Engineered alongside OEMs for maximum ignition performance, these plugs are ideal for modern 3.5L V6 engines with tighter tolerances.

Key features that stand out:
– Double Iridium Construction: Ensures maximum longevity (100,000 to 120,000 miles).
– High Mileage Range: Perfect for avoiding frequent replacement intervals.
– OEM Design Compliance: Built to meet or exceed manufacturer specifications for newer models.

Pros:
– The best choice for maximum lifespan and durability.
– Consistent, strong spark throughout the entire service interval.
– Excellent fitment for the latest Pilot V6 3.5L engines.

Cons:
– Higher initial cost per plug compared to single-precious metal options.

Best for: Newer Pilot owners (2016-2020) prioritizing the longest possible replacement interval.

Expert Opinion: Double Iridium is the technology of choice for modern, high-compression engines like the Pilot’s 3.5L V6. If you want a fit-and-forget solution for 100k miles, this is it.

BOSCH 9619 OE Fine Wire Double Iridium Spark Plug – Single

Bosch brings its engineering prowess to the Pilot with the 9619 OE Fine Wire Double Iridium plug. Sold as singles, this allows you to purchase exactly the six units you need. Featuring an iridium firing pin and an iridium ground electrode inlay, these plugs provide four times the life of standard copper plugs. A major convenience factor is the nickel-plated rolled threads, which eliminate the need for anti-seize during installation, speeding up the job significantly.

Key features that stand out:
– Double Iridium Components: Maximum performance and longevity guarantee.
– Nickel-Plated Threads: No anti-seize required, resisting corrosion.
– Factory Pre-Gapped: Ready to install right out of the box.

Pros:
– Exceptional durability and consistent voltage requirement reduction.
– Simplifies installation by eliminating the anti-seize step.
– Meets or exceeds manufacturer design requirements (OE fit).

Cons:
– Must be purchased individually (6 units needed for the Pilot).

Best for: DIY mechanics who value ease of installation and demand premium, long-lasting European-engineered performance.

Expert Opinion: Bosch is synonymous with quality, and this Double Iridium plug is a professional-grade product. The nickel plating is a small detail that makes a big difference in preventing thread seizing years down the road.

Set of 6 UF624 Ignition Coil Pack and 93175 Iridium Spark Plug Compatible with Honda Odyssey Accord Crosstour Pilot Ridgeline Acura RL TL TSX 3.5L V6 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

Similar to other combination kits, this set provides 6 ignition coils and 6 Iridium spark plugs, making it a powerful solution for addressing rough running and misfires in older Pilot models (2009-2015). The components are engineered to deliver a consistent spark and improve fuel efficiency. This kit is specifically tailored for various 3.5L V6 engines in the Honda and Acura family, ensuring broad compatibility and a reliable fit for your Pilot.

Key features that stand out:
– Complete Ignition Overhaul: Includes both Iridium plugs and coil packs.
– 24-Month Warranty: Strong guarantee backing the parts.
– Engineered for Fuel Efficiency: Designed to optimize combustion consistency.

Pros:
– Excellent preventative maintenance or repair bundle.
– High compatibility across numerous Honda/Acura V6 3.5L engines.
– Durable materials built for longevity.

Cons:
– The quality may be focused more on the coil packs than the spark plugs themselves.

Best for: Pilots (2009-2015) needing a complete, value-packed ignition system refresh with a strong warranty.

Expert Opinion: For an engine showing signs of aging ignition components, bundles like this are incredibly practical. The 24-month warranty provides added confidence in the long-term reliability of the coils.

6 pc NGK V-Power Spark Plugs compatible with Honda Pilot 3.5L V6 2003-2005

We can’t forget the early model Pilots! If you own a 1st generation Pilot (2003-2005), the NGK V-Power plugs are the standard, reliable choice. These are copper core plugs with a unique V-groove in the center electrode. The V-groove design improves ignitability by directing the spark to the edge of the electrode, allowing for a faster, easier combustion start. While they have a shorter lifespan than Iridium, they deliver exceptionally reliable performance and are highly affordable.

Key features that stand out:
– Copper Core Construction: Superior conductivity for powerful ignition.
– V-Groove Center Electrode: Enhances ignition focus and reduces misfires.
– Genuine NGK Parts: Trusted quality and fitment for early Pilot models.

Pros:
– Inexpensive and provides excellent conductivity.
– Reliable, strong performance for older engines.
– OEM fitment for 2003-2005 V6 models.

Cons:
– Requires replacement every 30,000 to 40,000 miles.

Best for: Owners of 2003-2005 Honda Pilots who prefer the high conductivity and strong spark of traditional copper plugs.

Expert Opinion: Copper remains the king of conductivity. For older engines not specifically requiring precious metals, these V-Power plugs provide reliable, consistent performance, provided you follow the shorter maintenance schedule.

A-Premium Set of 6 Ignition Coil Pack and Iridium Spark Plugs Compatible with Honda Pilot 2009-2015, Ridgeline 2009-2014 & Acura RDX 2013-2015, 3.5L

Rounding out our list of ignition bundles, this A-Premium kit focuses on providing improved fuel efficiency and reduced emissions through its combination of Iridium spark plugs and quality coil packs. The iridium plugs are crafted from a refined alloy that extends the plug life nearly threefold compared to standard nickel plugs. This particular kit guarantees a more stable idle speed and super performance for the 2009-2015 Pilot 3.5L engine.

Key features that stand out:
– Iridium Spark Plug Material: Delivers super performance and extended life.
– Stable Idle Speed: Contributes to a smoother running V6 engine.
– Buy with Confidence: Backed by a one-year unlimited-mileage guarantee.

Pros:
– High focus on improved fuel economy and reduced emissions.
– Convenient bundle for full ignition system replacement.
– Reliable fitment for the second-generation Pilot.

Cons:
– Spark plug gap size needs to be confirmed upon arrival.

Best for: Owners of 2009-2015 Pilots looking for a performance and efficiency boost along with reliable coils.

Expert Opinion: The inclusion of Iridium plugs in a coil bundle is always a major value point, offering immediate performance benefits combined with the convenience of replacing common failure points (the coils) simultaneously.

Practical Comparison and Buying Insights

When you are trying to select the best spark plugs for honda pilot, your decision usually boils down to the year of your vehicle and your budget for long-term maintenance.

For Maximum Lifespan (100k+ Miles):
Focus on Double Iridium options like the A-Premium Double Iridium (2016-2020) or the BOSCH 9619 OE Fine Wire Double Iridium. These plugs offer the longest intervals between replacements, which is critical for the Honda Pilot since the plugs in the rear bank (cylinders 1-3) can be difficult to access. Investing in long-life plugs saves labor costs down the road.

For Performance and Value (60k-80k Miles):
The NGK Iridium IX series is a superb middle ground. It delivers a sharper spark than Platinum or standard plugs, often resulting in a noticeable improvement in throttle response, especially in the 2009-2019 models. They are cheaper than Double Iridium but still far outlast copper.

For Budget-Friendly Maintenance (50k Miles):
If cost is the main driver, the NGK G-Power (Platinum) provides a robust solution that is better than standard copper, or, for older Pilots (2003-2005), the NGK V-Power (Copper) is the correct and reliable choice, though it requires more frequent replacement.

Considering Ignition Coils:
If your Pilot has over 100,000 miles and you are already planning to swap the plugs, consider an all-in-one coil and plug bundle. Kits like the Ignition Coil Pack & Iridium Spark Plugs Set of 6 (Product 3) or the A-Premium Set of 6 Ignition Coil Pack (Product 10) are excellent investments. They ensure that all ignition components are refreshed, eliminating potential future misfires caused by aging coils.

Final Verdict: Our Recommendations

Finding the best spark plugs for honda pilot depends entirely on your generation and maintenance goals.

If you own a 2016-2020 Pilot and want the longest, worry-free lifespan: Go with the A-Premium Double Iridium Spark Plugs (Product 6). They are factory-spec for the newest engines and offer 100,000+ mile dependability.

If you own a 2009-2015 Pilot and want the best overall performance upgrade: Choose the 6 pc NGK Iridium IX Spark Plugs (Product 1). NGK’s Iridium IX line is proven to deliver excellent, consistent ignition quality.

If your Pilot is high-mileage and suffering from misfires (2009-2015): The smart money is on the bundles. Specifically, the Ignition Coil Pack & Iridium Spark Plugs Set of 6 (Product 3) offers the best combination of reliable Iridium plugs and tested coil packs to immediately eliminate ignition issues.

Best Spark Plugs For Honda Pilot FAQ

What are the main symptoms of bad spark plugs in a Honda Pilot?

You’ll typically notice several issues when your plugs are failing. These include rough idling, where the engine shivers or vibrates unevenly; engine misfires (which might trigger a check engine light); poor acceleration or hesitation under load; and a noticeable decrease in fuel economy. If your Pilot is starting slowly, especially in cold weather, worn plugs are often the culprit.

How often should I replace the best spark plugs for honda pilot?

The replacement interval depends heavily on the plug material. Standard copper plugs (like the V-Power) should be replaced every 30,000 to 40,000 miles. However, Honda V6 engines typically require long-life plugs. Platinum plugs usually last around 60,000 miles, while Iridium or Double Iridium plugs are engineered to last 100,000 miles or more. Always check your Pilot’s specific owner’s manual for the factory-recommended interval.

Is it necessary to use anti-seize when installing new spark plugs?

It depends on the plug material. If you are using standard plugs or plugs without special coatings, it’s generally recommended to apply a small amount of anti-seize to the threads. However, many premium plugs, especially those from Bosch (like the 9619), come with nickel-plated threads which naturally resist corrosion and seizing, making anti-seize unnecessary and sometimes even detrimental to the torque specification.

What is the advantage of Iridium over Platinum spark plugs for the Honda Pilot’s 3.5L V6 engine?

Iridium is harder and has a higher melting point than Platinum, allowing the plug manufacturer to use an extremely fine center electrode tip (as thin as 0.4mm). This fine tip requires less voltage to jump the gap, resulting in a more focused, reliable, and powerful spark, which translates to better cold starts, smoother performance, and superior longevity (up to 120,000 miles compared to Platinum’s 60,000-80,000 miles).

Do I need to gap my new spark plugs before installing them in my Pilot?

Most modern Iridium or Double Iridium plugs are pre-gapped at the factory to the specific requirements of the Honda 3.5L V6 engine. It is crucial not to use a standard gapping tool on fine-wire plugs, as you could damage the delicate tip. While most quality plugs come correctly gapped, it’s always wise to gently confirm the gap with a wire-style feeler gauge (typically 0.044 inches for the 3.5L V6), but avoid adjusting the gap if possible.

If I install high-performance spark plugs, will it damage my Pilot’s engine?

No, installing high-performance spark plugs made of Iridium or Platinum will not harm your Honda Pilot V6 engine. These plugs are often engineered to meet or exceed OEM specifications. The benefit is not necessarily “more horsepower,” but rather more efficient and complete combustion, leading to better fuel economy, lower emissions, and less strain on the ignition coils over time. They are an upgrade in reliability and longevity.