Best Spark Plugs For Nissan Maxima Worth Buying in 2025

I’ve spent years working on VQ-series Nissan engines, and if there’s one thing I’ve learned about keeping the powerful Maxima running smoothly, it’s that plug quality matters. When my own Maxima V6 started feeling sluggish, dropping a couple of miles per gallon, and getting rough cold starts, I knew it was time to dive deep into replacing the best spark plugs for Nissan Maxima. After testing and comparing some of the top options on the market, I’ve put together this comprehensive guide to help you choose the right replacement plugs to restore that premium performance and fuel efficiency.

IMAGE	PRODUCT NAME	AMAZON LINK
	6 pc NGK Iridium IX Spark Plugs compatible with Nissan…	View on Amazon
	UF349 Ignition Coil & 224018H515 Double Iridium Spark Plug…	View on Amazon
	Set of 6 Ignition Coil Packs & Spark Plugs Fits…	View on Amazon
	ENA Set of 6 Iridium Spark Plug and 6 Ignition…	View on Amazon
	TAUTOY 93501 LKAR7BIX-11S Spark Plugs Double Iridium 6PCS…	View on Amazon
	UF550 Ignition Coil & 1406 Double Iridium Spark Plug for…	View on Amazon
	DICMIC Set of 6 Ignition Coil Pack & Spark Plug…	View on Amazon
	6 pc NGK Laser Iridium Spark Plugs compatible with Nissan…	View on Amazon
	A-Premium Iridium Platinum Spark Plugs 93501 LKAR7BIX-11S…	View on Amazon
	Iridium Spark Plugs 6 Pack 4469 LFR5AIX11 Fits for 2002…	View on Amazon

6 pc NGK Iridium IX Spark Plugs compatible with Nissan Maxima 3.5L V6 2009-2020

If you own a later-model Maxima (2009-2020) and prioritize performance and reliability, the NGK Iridium IX plugs are an excellent choice. These are designed to provide a consistently strong spark, which translates into better throttle response and cleaner combustion, especially under hard acceleration. While not rated for the same extreme longevity as NGK’s Laser series, the Iridium IX offers superb performance right out of the box and is a fantastic upgrade over standard OEM plugs, giving your V6 the crisp ignition it needs.

Key features that stand out:
– Compatibility: Direct fit for 2009–2020 Maxima 3.5L V6 models.
– Genuine Parts: Guaranteed genuine NGK parts, ensuring high manufacturing standards.
– Iridium Tip: Features a fine iridium center electrode for stable spark and durability.
– Performance Focused: Designed for drivers who prioritize enhanced engine responsiveness.

| Pros | Cons |
| :— | :— |
| – Excellent ignition stability and performance. | – Longevity isn’t as long as NGK’s double-precious metal options. |
| – High-quality, trusted OEM-grade brand. | |
| – Easy, direct replacement installation. | |

Best for: Maxima owners seeking high-quality, trusted performance plugs for the 2009+ generation.

Expert Opinion: The Iridium IX series is often considered a great balance between top-tier performance plugs and long-life durability, providing excellent bang for your buck on the VQ35DE engine.

UF349 Ignition Coil & 224018H515 Double Iridium Spark Plug For Nissan Altima Maxima Murano Frontier Quest XTERRA Pathfinder NV1500 NV2500 NV3500/Infiniti l35 QX4/Suzuki Equator V6 Replaces #C1406

This comprehensive kit is a game-changer if you’re maintaining an older generation Maxima (2002-2008) and suspect both your coils and plugs are failing. This set includes six ignition coils and six double iridium spark plugs. The double iridium design offers an exceptionally long service life, rated for up to 100,000 kilometers, meaning you won’t have to worry about ignition maintenance for quite a while. The included coils are built with premium materials to resist heat and prevent radiofrequency interference.

Key features that stand out:
– Dual Component Kit: Includes both ignition coils (UF349) and double iridium spark plugs (224018H515).
– Extreme Longevity: Spark plugs are designed to work reliably for up to 100,000 kilometers.
– Coil Quality: Features internal ferrite noise suppressors and advanced thermoplastic connectors.
– Wide Coverage: Specifically compatible with the 02-08 Maxima 3.5L.

| Pros | Cons |
| :— | :— |
| – Complete ignition system refresh in one purchase. | – Primarily compatible with the earlier 2002-2008 Maxima model years. |
| – Double Iridium ensures maximum plug life. | |
| – Solves common misfire and rough idle issues effectively. | |

Best for: Owners of 5th/6th generation (2002-2008) Maximas needing a complete, high-mileage ignition system overhaul.

Expert Opinion: When replacing spark plugs on older VQ engines, the coils often aren’t far behind. Opting for a quality bundle like this saves labor time and guarantees component compatibility.

Set of 6 Ignition Coil Packs & Spark Plugs Fits For 3.5 V6 Nissan Murano Maxima Altima Pathfinder Infiniti G35 EX35 JX35 2009 2010 2011 2012 2013 2014 2015 2016 3.5L Coils Spark Plugs Replaces# UF550

This set provides a high-value ignition refresh kit for the 7th and 8th generation Maxima (2009-2019). The manufacturer claims that these new coils and plugs upgrade the performance, offering 15% more energy than the OE coils, which should translate to better efficiency and reduced misfires. Designed to meet or exceed OE specifications, this kit targets those annoying issues like poor gas mileage, hesitation, and the dreaded check engine light caused by aging components.

Key features that stand out:
– Performance Enhancement: Claims to provide 15% more energy for improved engine performance.
– Direct Replacement: Uses OE part numbers (UF550, C1670) for simple installation.
– Copper Wiring: Highly conductive copper wire used in the coils ensures excellent connectivity.
– Comprehensive Coverage: Supports the popular 2009-2019 Maxima 3.5L V6 range.

| Pros | Cons |
| :— | :— |
| – Cost-effective solution for replacing both coils and plugs. | – The durability of the non-OEM plugs might not match dedicated NGK or Denso plugs. |
| – Designed to upgrade performance over stock components. | |
| – Addresses common ignition failure symptoms immediately. | |

Best for: Maxima owners (2009-2019) looking for a budget-friendly but upgraded combined ignition system kit.

Expert Opinion: While the performance boost claims should be taken with a grain of salt, the benefit of replacing all six plugs and coils simultaneously for under the cost of just six OEM coils is significant for high-mileage cars.

ENA Set of 6 Iridium Spark Plug and 6 Ignition Coil Pack Compatible with Nissan Infiniti Maxima Murano Pathfinder Quest Altima Q50 QX60 FX35 3.5L V6 Replacement for UF550

The ENA kit is another solid contender in the coil and plug replacement market for the later model Maxima (2009-2020). Focusing on durability and reliable operation, ENA engineers their components to operate reliably under all conditions. What sets this kit apart is the generous 24-Month Warranty, giving users peace of mind in the event of a component failure. The iridium spark plugs included are known for their efficiency and long-term stability.

Key features that stand out:
– Reliable Operation: Engineered specifically for OE and replacement applications to ensure consistency.
– Warranty: Backed by a strong 24-month warranty.
– Wide Fitment: Compatible with Maxima models from 2009 up to 2020.
– Easy Installation: Designed for a quick and simple plug-and-play setup.

| Pros | Cons |
| :— | :— |
| – Long warranty period offers excellent protection against defects. | – The focus on OE design may not offer significant performance improvements over stock. |
| – Covers a very broad range of Nissan VQ35DE applications. | |
| – Excellent option for routine maintenance replacement. | |

Best for: Maxima owners prioritizing warranty and reliability in a combined coil/plug set for 2009+ models.

Expert Opinion: ENA is a respected brand in the aftermarket ignition world. Their commitment to a long warranty indicates confidence in the quality and longevity of their iridium plugs and coils.

TAUTOY 93501 LKAR7BIX-11S Spark Plugs Double Iridium 6PCS (3.5L V6) 2007-2020 For Nissan 350Z Altima Maxima Murano Pathfinder Quest,For INFINITI EX35 FX35 M35 Q50 Q70 QX60,Replace # 92274 92649

If you prefer to buy plugs separately and are seeking maximum longevity for your 3.5L V6 Maxima (covering models from 2009-2020), this double iridium set from TAUTOY is worth considering. Double iridium means both the center electrode and the ground electrode feature iridium tips, providing superior durability and resistance to high-temperature wear. This design promises enhanced ignition performance, resulting in smoother idling and better cold starts.

Key features that stand out:
– Double Iridium Technology: Provides optimal durability and extended service life.
– Performance Benefits: Advanced technology ensures more complete fuel combustion.
– Smooth Operation: Known for delivering faster throttle response and very smooth idle characteristics.
– Wide Compatibility: Fits many Maxima years, specifically 2009-2014 and 2016-2020.

| Pros | Cons |
| :— | :— |
| – Excellent resistance to high heat and wear. | – Requires purchasing coils separately if they are also needed. |
| – Improves engine smoothness noticeably. | |
| – Long 1-year warranty for peace of mind. | |

Best for: Maxima owners who only need to replace their spark plugs and want the longest-lasting, most durable iridium plug technology.

Expert Opinion: Double iridium plugs are often the go-to choice for extended service intervals (100k+ miles). If you want to do the job once and forget about it for the next decade, this technology delivers.

UF550 Ignition Coil & 1406 Double Iridium Spark Plug for Nissan Altima Maxima Murano Pathfinder Quest 350Z/Infiniti EX35 FX35 G25 G35 JX35 M35 M35h Q50 Q70 QX60 3.5L V6 C1670 22448-JA10C 5C1727

This is a comprehensive repair package specifically tailored for the popular 2009-2019 Maxima V6. Similar to other bundles, this kit provides both the ignition coils and the double iridium spark plugs, offering a guaranteed long working life of 100,000 kilometers. By focusing on premium coil materials, including high-grade thermoplastic connectors, this set ensures the coils resist common issues like fracturing caused by heat cycling under the hood of the Maxima.

Key features that stand out:
– Heat Resistance: Coils feature advanced thermoplastic connectors to resist heat fractures.
– Double Iridium Plugs: Ensures long-term use and stable, consistent spark.
– OE Matched: Components are built to match or improve upon OE design specifications.
– Smooth Engine Running: Promises superior cold-start performance and a smoother running engine.

| Pros | Cons |
| :— | :— |
| – Excellent combined value for both coils and plugs. | – The plugs are often unbranded, which may raise concerns for some buyers compared to NGK. |
| – Focused on superior cold-start performance. | |
| – Double iridium ensures plug longevity. | |

Best for: The DIY mechanic performing a full ignition tune-up on a 2009+ Maxima V6, maximizing value and lifespan.

Expert Opinion: The inclusion of double iridium in these bundles is a huge selling point. The VQ engine is sensitive to consistent ignition timing, and high-quality double iridium plugs help maintain that consistency over many miles.

DICMIC Set of 6 Ignition Coil Pack & Spark Plug Compatible with Nissan Murano Maxima Pathfinder 350Z Altima Quest Infiniti EX35 FX35 G25 G35 JX35 M35 M35h Q50 Q70 QX60 V6 3.5L Replace# UF550, C1670

DICMIC offers a direct fit, quality-tested ignition solution for the 2009-2019 Maxima V6. Their primary selling point is the assurance that the kit has undergone extensive testing to ensure a quality fit and long lifespan, specifically targeting common VQ engine misfire issues. The components are made from high-quality materials, guaranteeing they can handle the high-voltage demands of the Maxima’s powerful 3.5L engine.

Key features that stand out:
– Quality Tested: Components have undergone extensive testing for fit and durability.
– Failure Solution: Designed to solve problems like rough idle, poor fuel economy, and engine misfire.
– High-Quality Housing: Uses premium materials for the ignition coil housing to ensure reliability.
– One-Year Warranty: Provides a solid warranty period for component replacement.

| Pros | Cons |
| :— | :— |
| – Confidence provided by thorough quality testing assurances. | – Limited technical detail provided on the specific plug material (likely iridium, but not explicitly named). |
| – Directly targets common VQ ignition issues. | |
| – Good solution for fixing a failing ignition system quickly. | |

Best for: Maxima owners seeking a budget-friendly replacement kit backed by quality control claims.

Expert Opinion: When dealing with aftermarket coils and plugs, testing and quality control are paramount. DICMIC’s emphasis on this makes them a competitive option against the unverified low-cost bundles.

6 pc NGK Laser Iridium Spark Plugs compatible with Nissan Maxima 3.5L V6 2009-2020

The NGK Laser Iridium plugs are the pinnacle of spark plug technology for the Maxima. These plugs are often identical or equivalent to the parts used by the dealership, making them the gold standard for OE replacement. Featuring both iridium and platinum construction (double precious metal), these plugs are specifically engineered for maximum durability and the longest possible service interval, often lasting well over 100,000 miles. If longevity is your absolute top priority and you don’t want to compromise on brand quality, these are the ones to choose.

Key features that stand out:
– Double Precious Metal: Uses both Laser Iridium and Platinum for maximum wear resistance.
– Maximum Longevity: Designed for extended replacement intervals (often 100k+ miles).
– OEM Equivalent: Often the exact technology specified by Nissan for the Maxima.
– Genuine NGK: Guaranteed genuine parts for the 2009–2020 V6.

| Pros | Cons |
| :— | :— |
| – Unmatched service life and heat durability. | – Highest price point compared to single-iridium or bundled options. |
| – Guarantees factory-spec performance for high mileage. | |
| – Best possible spark stability for the Maxima engine. | |

Best for: Maxima owners (2009-2020) who want the absolute longest lifespan and OE-level quality, regardless of cost.

Expert Opinion: You can’t go wrong with NGK Laser Iridium. While the upfront cost is higher, the extended replacement interval often makes them cheaper in the long run than standard plugs. They are truly the “install and forget” choice.

A-Premium Iridium Platinum Spark Plugs 93501 LKAR7BIX-11S (Pack of 6) Compatible with Nissan Altima 2007-2018, Murano 2009-2020, Pathfinder, Maxima, Quest, 350Z & Infiniti QX60, Q50, G25, G35, M35

A-Premium offers a high-specification iridium platinum plug specifically for the VQ35DE engine, covering a wide range of Maxima years (2009-2014 and 2016-2020). These plugs feature an Iridium center tip and a Platinum core, designed to resist rapid wear and corrosion. The manufacturer specifies a replacement interval between 80,000 to 100,000 miles, providing impressive longevity at a competitive price point compared to NGK equivalents. They also confirm the critical 0.044-inch gap size.

Key features that stand out:
– Iridium Platinum Construction: Provides excellent durability and long service life.
– Specific Gap: Clearly states the required 0.044-inch gap, simplifying installation prep.
– Longevity: Engineered to last between 80,000 and 100,000 miles.
– Excellent Heat Resistance: Designed for optimal performance in today’s high-performance V6 engines.

| Pros | Cons |
| :— | :— |
| – Fantastic plug lifespan for the price point. | – Requires confirming the gap upon receipt, though pre-gapped. |
| – High-quality material construction for resistance. | |
| – Broad compatibility across the Maxima generations listed. | |

Best for: Maxima owners seeking high-mileage platinum/iridium durability without paying the premium for major name brands.

Expert Opinion: When buying non-major brand plugs, confirming the exact specifications (like the Iridium center and Platinum core) and the gap is essential. This product clearly outlines its high-quality construction.

Iridium Spark Plugs 6 Pack 4469 LFR5AIX11 Fits for 2002 2003 2004 2005 2006 Nissan Altima 3.5 Maxima Murano Pathfinder Frontier Quest Xterra & Infiniti G35 FX35 M35 I35 V6 3.5L Spark Plug

This specific iridium plug set is dedicated to the earlier Maxima V6 models, covering 2002–2008 3.5L V6 engines. Using a 0.6mm fine-wire iridium tip, these plugs focus heavily on maximizing fuel efficiency. The iridium alloy is six times harder than platinum, giving it phenomenal resistance to heat and electrical wear, which is crucial for maximizing performance in an older engine setup. Choosing a dedicated iridium plug ensures you get the most optimal fuel combustion possible from your VQ engine generation.

Key features that stand out:
– Specific Fitment: Excellent choice for the 2002–2008 Nissan Maxima V6 3.5L.
– Fine-Wire Iridium Tip: 0.6mm tip design maximizes fuel efficiency and ignition accuracy.
– High Durability: Iridium alloy offers extremely high melting points and superior wear resistance.
– Advanced Technology: Laser-welded technology ensures electrode integrity under harsh conditions.

| Pros | Cons |
| :— | :— |
| – Specifically targets efficiency improvements in older Maxima models. | – Limited to a specific generation (pre-2009) of the Maxima. |
| – Superior resistance to electrical and thermal degradation. | |
| – Competitive price point for a dedicated iridium plug set. | |

Best for: Owners of 5th/6th generation (2002-2008) Maximas looking to significantly boost fuel economy and reliability.

Expert Opinion: The fine-wire iridium tip is particularly effective at ensuring a clean spark even when an engine starts to age or accumulate carbon. This is a smart upgrade for pre-2009 VQ engines.

Comparison and Buying Insights

When you’re looking at spark plug replacement for your Nissan Maxima, you generally face two big decisions: material technology and whether to replace the coils too.

The Tech Difference: Iridium vs. Double Iridium/Laser Iridium
* Standard Iridium (e.g., NGK Iridium IX): Offers high performance and good lifespan (around 60k-80k miles). It’s usually the more budget-friendly performance option.
* Double Iridium / Laser Iridium (e.g., NGK Laser, TAUTOY): These are the long-distance runners. By placing precious metal on both the center and ground electrodes, they resist erosion for a much longer time, often rated for 100,000+ miles. If you hate doing maintenance, go with the double precious metal plugs.

Plugs Only vs. Coil & Plug Kits
Many of the options reviewed here are bundles (e.g., ENA, UF349).
* If your Maxima has over 100,000 miles and you have never replaced the coils, replacing the plugs and coils together is highly recommended. Failing coils are common on the VQ35DE/HR engine and can cause poor mileage, hesitation, and misfires.
* The coil/plug bundles offer significant cost savings compared to buying OEM components separately.

Checking Your Model Year is Critical
Notice that the reviews are often split into two distinct groups:
1. Early Generation (2002–2008 Maxima): Uses specific OE part numbers (like 4469/LFR5AIX11). Look at Products #2 and #10.
2. Later Generation (2009–2020 Maxima): Uses a different plug design (like NGK LKAR7BIX-11S). Look at Products #1, #3, #4, #5, #6, #7, #8, and #9. Always double-check your exact year and engine code using Amazon’s fitment tool before purchasing!

Final Verdict

Choosing the right spark plugs for your Nissan Maxima depends entirely on your budget and how long you want the components to last.

The Lifetime Performer

If maximum longevity and OE quality are non-negotiable, the 6 pc NGK Laser Iridium Spark Plugs compatible with Nissan Maxima 3.5L V6 2009-2020 are the best investment. They deliver guaranteed performance and can reliably go for 100,000+ miles.

The Best Value Upgrade (Coil & Plug Bundle)

For Maxima owners needing a complete tune-up on 2009+ models, the ENA Set of 6 Iridium Spark Plug and 6 Ignition Coil Pack offers an excellent balance of quality iridium components and peace of mind with a 24-month warranty.

The Budget-Conscious Excellence (Plugs Only)

If your coils are still healthy and you drive an older Maxima (2002-2008), the Iridium Spark Plugs 6 Pack 4469 LFR5AIX11 is the smartest choice, offering significant fuel efficiency gains without breaking the bank.

FAQs About the Best Spark Plugs for the Nissan Maxima

Q: When should I replace the spark plugs in my Nissan Maxima V6?

A: For modern Maxima V6 engines (especially 2009+), most manufacturers specify replacement intervals between 80,000 and 105,000 miles when using premium iridium or platinum plugs. If you are using standard copper or basic nickel plugs, this interval should be drastically reduced, sometimes as low as 30,000 miles. Always check your owner’s manual or the specification provided by the plug manufacturer.

Q: Do I need to gap iridium spark plugs before installing them in my Maxima?

A: Most premium iridium spark plugs for the VQ35DE engine come pre-gapped and are highly delicate. We generally recommend confirming the gap (usually 0.044 inches for the Maxima) with a non-contact wire gauge, but avoid using a traditional coin-style gapper, as the fine electrode tip can easily be damaged. If adjustment is needed, only move the ground electrode gently.

Q: What is the difference between Iridium IX and Laser Iridium plugs?

A: NGK’s Iridium IX typically features iridium on the center electrode only and is built for strong performance and good life (a great standard upgrade). Laser Iridium uses iridium on the center electrode and platinum on the ground electrode (double precious metal), which is an OEM technology designed specifically for the longest possible lifespan and maximum durability in high-heat VQ engines.

Q: Can faulty coils affect the performance of new spark plugs?

A: Absolutely. If you install brand-new high-quality spark plugs but your ignition coils are weak or failing, you will still experience misfires, rough idling, and poor fuel economy. For high-mileage Maximas (over 100,000 miles), replacing the coils and plugs together (as offered in several bundles) is a smart preventative maintenance strategy.

Q: Why are Maxima V6 spark plug replacements considered difficult or expensive?

A: The Nissan Maxima V6 (VQ35DE engine) is a transverse-mounted engine, meaning three of the ignition components (the rear bank near the firewall) are difficult to access. This significantly increases the labor time if you take it to a mechanic. If you are performing the work yourself, you will need the right tools and patience for the rear bank cylinders.

Q: Should I use copper or platinum plugs instead of iridium in my Maxima?

A: We highly recommend sticking with iridium spark plugs (or iridium/platinum combinations). While copper plugs are cheaper and offer excellent conductivity, they wear out extremely fast in modern VQ engines, forcing replacement every 20,000–30,000 miles. Iridium’s superior durability and consistent performance are essential for maintaining the Maxima’s sophisticated engine mapping.