About 80% of engine misfires are traceable to worn or improper spark plugs, so choosing the right set for your 2011 Maxima matters. You’ll want plugs that balance longevity, heat range, and reliable ignition for the 3.5L V6, but there are a few key options and installation tips that make a real difference — keep going to see which ones pros recommend and how to fit them correctly.
6 pc NGK Laser Iridium Spark Plugs for Nissan Maxima 3.5L V6 (2009-2020)

If you drive a Nissan Maxima with the 3.5L V6 (2009–2020) and want long-lasting, OE-equivalent performance, these 6 NGK Laser Iridium plugs are a smart choice. You’ll get genuine NGK parts (Sixity Auto branded) packaged with original hardware and a direct-fit design replacing OEM 4024125520. They use iridium cores and tops, a 0.044-inch gap, and a recommended 105,000-mile service interval. They fit 2009–2020 Maximas, suit car and truck service types, and weigh about 8.6 ounces per set. Customers rate them 4.7/5 (22 reviews). Returns follow Amazon’s 30-day voluntary policy; warranty details link with the listing.
Best For: Drivers of Nissan Maxima 3.5L V6 (model years 2009–2020) seeking long-lasting, OE-equivalent spark plugs with easy direct-fit replacement.
Pros:
- Genuine NGK Laser Iridium construction (iridium core/top) for improved durability and reliable ignition.
- Direct-fit OE equivalent (OEM 4024125520) with correct 0.044″ gap and 105,000-mile recommended service interval.
- Positive customer feedback (4.7/5 from 22 reviews) and sold as a complete 6-piece set with original packaging and hardware.
Cons:
- Branded as Sixity Auto, which may confuse buyers expecting NGK-branded retail packaging.
- Higher upfront cost compared with standard copper or platinum plugs despite long life.
- Limited to Nissan Maxima 3.5L V6 (2009–2020); not universal for other engines/models.
Set of 6 Ignition Coil Packs and Iridium Spark Plugs Compatible with Nissan Infiniti 3.5L V6

For owners who want a complete, worry-free ignition refresh, this set of six coil packs paired with iridium spark plugs is a top pick—especially if your 3.5L V6 Nissan or Infiniti is showing misfires or rough idling. You get direct-fit AUTOBABA coils and iridium plugs that match OEM numbers (including 22448-JA10C/J A11C) for bolt-on replacement. Installation’s simple with no modification, and the kit targets misfire, rough running, and aging-coil issues. It fits many Nissan/Infiniti models (2009–2020 Maxima inclusive). The package includes a one-year support policy, Amazon returns, and solid customer ratings for reliability.
Best For: Owners of Nissan or Infiniti vehicles with the 3.5L V6 (model years listed) who want a complete, direct-fit ignition coil and iridium spark plug replacement to resolve misfires and rough idling.
Pros:
- Direct bolt-on replacements matching OEM part numbers for easy installation with no modification.
- Includes both six coil packs and iridium spark plugs for a full ignition system refresh.
- Backed by 1-year product support, Amazon 30-day returns, and strong customer ratings (4.6/5).
Cons:
- Coverage limited to specific Nissan/Infiniti 3.5L V6 model years — confirm fitment for your exact vehicle.
- One-year support may be shorter than some OEM or extended aftermarket warranties.
- Package weight and dimensions may be bulky for some DIY shipping/storage preferences.
Set of 6 Ignition Coil Packs and Iridium Spark Plugs for Nissan and Infiniti 3.5L V6 (2009–2016)

Drivers who want a complete ignition refresh will like this set of 6 coil packs and iridium spark plugs, because it replaces worn coils and plugs in one go to stop misfires and restore smooth power on Nissan and Infiniti 3.5L V6 engines. You’ll get high-quality silicon steel coils with Japan-imported rubber and Germany-varnished wire built to meet or exceed OEM specs. The kit fits many Altima, Maxima, Murano, Pathfinder and Infiniti models (see fitment list) and replaces several OEM part numbers—verify yours before buying. Installation is plug-and-play, iridium plugs boost performance, and responsive support helps resolve issues.
Best For: Drivers and DIY mechanics who want a one-time complete ignition refresh for Nissan and Infiniti 3.5L V6 engines (2007–2024 fitments listed) to stop misfires and restore smooth power.
Pros:
- Replaces all 6 coil packs and iridium spark plugs at once to eliminate misfires, hard starts, rough idle, and reduced power.
- High-quality construction (silicon steel coils, Japan-imported rubber, Germany-varnished wire) designed to meet or exceed OEM specifications.
- Plug-and-play installation with broad compatibility across many Altima, Maxima, Murano, Pathfinder and Infiniti models and responsive customer support.
Cons:
- Must verify exact OEM part numbers/fitment before purchase (replaces many part numbers like UF550, 22448-JA10C, etc.) to avoid incorrect selection.
- Kit covers the specified 3.5L V6 fitments only and is not universal for other engines or years outside the listed models.
- Higher upfront cost than replacing a single coil or spark plug at a time, though intended to prevent repeat failures.
Set of 6 Ignition Coil Packs and Iridium Spark Plugs Compatible with Nissan/Infiniti 3.5L V6 (2007–2020)

You’ll want this set if you need a complete, plug-and-play replacement that restores performance on Nissan/Infiniti 3.5L V6 models, since it pairs six high-energy ignition coils with premium iridium spark plugs for stable spark, fewer misfires, and better fuel economy. It’s a direct OEM-fit kit covering 2007–2020 Altima, Maxima, 350Z, Murano, Pathfinder, Quest and many Infiniti models (EX35, FX35, G35/G25, JX35, M35/M35h, Q50/Q70/QX60). Coils use multiple OEM part numbers (e.g., 22448-JA10C) and plugs match OEM codes (e.g., 22401EZ37C). You’ll get improved acceleration, cold starts, and longwear reliability with quick installation.
Best For: Vehicle owners and DIY mechanics of Nissan/Infiniti 3.5L V6 models (2007–2020) who need a complete, plug-and-play ignition coil and iridium spark plug replacement to restore performance and reliability.
Pros:
- Direct OEM-fit kit for quick, plug-and-play installation across many Nissan and Infiniti 3.5L V6 models.
- High-energy ignition coils paired with premium iridium plugs improve spark stability, reduce misfires, and can restore acceleration and fuel economy.
- Iridium spark plugs offer excellent wear resistance and reliable cold starts for long service life.
Cons:
- Compatibility limited to 3.5L V6 models from 2007–2020; not suitable for other engines or model years.
- May require basic mechanical skill and tools for installation if not using a professional.
- Individual part number variations mean double-checking OEM codes is necessary to ensure exact fit for some model/submodel combinations.
Set of 6 Iridium Spark Plugs Compatible with Multiple Nissan/Infiniti Models (DILKAR7B11)

If you want reliable, long-lasting ignition performance for a Nissan/Infiniti that shares the DILKAR7B11 spec, this set of six iridium spark plugs is a smart choice—especially for owners who value improved fuel efficiency and quicker starts. You’ll get six SYKRSS plugs with copper cores, iridium tops, and ceramic insulators designed to resist misfires, backfiring, stalling, and engine jerking. They replace OEM DILKAR7B11 and fit many Infiniti/Nissan models, but you should verify year and model compatibility before buying. Package includes a manual, a one-year warranty, and customer support with a 48-hour response time.
Best For: Owners of Nissan or INFINITI vehicles that use the DILKAR7B11 spec who want longer-lasting ignition, quicker starts, and improved fuel efficiency.
Pros:
- Iridium tip with copper core and ceramic insulator offers strong ignition performance and extended service life.
- Replaces OEM DILKAR7B11 and fits many Nissan/INFINITI models (wide compatibility for passenger cars).
- Includes 6 plugs, a manual, and a 1-year warranty with customer support response within 48 hours.
Cons:
- Compatibility varies by year/model—buyers must verify fit before purchasing.
- Limited warranty period (1 year) may be shorter than some premium brands offer.
- Mixed risk for fit/quality compared to OEM parts despite positive reviews (customer rating from a small sample).
Set of 6 Ignition Coil Packs and Spark Plugs for 3.5L V6 Nissan/Infiniti (2009–2016)

For Nissan Maxima owners who want a full, plug-and-play ignition refresh, this set of six coil packs and spark plugs fits 3.5L V6 models and installs directly to OE specs so you won’t be chasing compatibility issues. You get six coils and plugs compatible across many Nissan and Infiniti models (Maxima, Altima, Murano, Pathfinder, 350Z, Quest, EX35, FX35, G25/35, JX35, M35). LCWRGS builds them to exceed OE with highly conductive copper windings and high-dielectric epoxy, boosting energy output about 15%. They replace common OEM part numbers, bolt in as screw-in units, weigh 1.55 kg, and carry solid reviews plus Amazon support.
Best For: Nissan and Infiniti owners with 3.5L V6 models (2007–2019 variants listed) who want a complete, direct-fit ignition coil and spark plug replacement that improves energy output and reliability.
Pros:
- Direct OEM-replacement design for easy, plug-and-play installation across many Maxima, Altima, Murano, Pathfinder, 350Z, Quest and Infiniti models.
- Built to exceed OE specs with highly conductive copper windings and high-dielectric epoxy, offering about 15% higher energy output.
- Sold as a full set of six coils and spark plugs with solid customer ratings (4.6/5) and Amazon return/support options.
Cons:
- Compatibility limited to specific 3.5L V6 Nissan/Infiniti model years—won’t fit other engines or years outside the listed ranges.
- Aftermarket brand (LCWRGS) may concern buyers preferring OEM-branded parts despite claimed specs.
- Warranty/support primarily through Amazon’s return policy; manufacturer warranty details are not prominently provided.
Set of 6 Iridium Spark Plugs Compatible with Infiniti and Nissan Models (Replacement for 1406 DILKAR7B11)

Drivers who want upgrade-level ignition and long service life will like this BDFHYK set of six iridium spark plugs, since their fine iridium center electrodes and high-density ceramic insulators deliver quicker, more reliable sparks and OE-level durability. You’ll fit these to Infiniti QX60, Q50, Q70, M35h, JX35, EX35, FX35, G25, G35 and Nissan Maxima, Murano, Pathfinder, Altima, Quest, 350Z models as replacements for 1406/DILKAR7B11. They promise improved ignition, increased power, and TS16949-certified manufacture. Weighing 9.1 ounces with RM thread size, BD-05-07074-SP carries strong customer ratings, an Amazon return window, and manufacturer warranty support.
Best For: Drivers of Infiniti and Nissan models (QX60, Q50, Q70, M35h, JX35, EX35, FX35, G25, G35, Maxima, Murano, Pathfinder, Altima, Quest, 350Z) who want upgrade-level ignition performance and longer spark plug life as a replacement for 1406/DILKAR7B11.
Pros:
- Fine iridium center electrodes and high-density ceramic insulators deliver quicker, more reliable ignition and improved power.
- OE-standard durability from a TS16949-certified manufacturer with positive customer ratings (4.6/5).
- Comes as a set of six with manufacturer warranty support and Amazon return option.
Cons:
- Specific fit for certain Infiniti/Nissan models only — not universal, so verify compatibility before buying.
- Product packaging and weight (9.1 oz) may differ from OEM part expectations or installer preferences.
- Limited public details on exact thread specification beyond “RM” which could confuse buyers unfamiliar with thread types.
UF550 Ignition Coil and Double Iridium Spark Plug Kit for Nissan and Infiniti 3.5L V6

Want a straightforward, all-in-one ignition refresh for a 3.5L V6 Maxima? This UF550 kit gives you six ignition coils plus six 1406 double iridium spark plugs, matching or improving OE design for simple swap-in installation. You’ll reduce misfires, rough idle, and power loss while improving cold starts and fuel economy. The double iridium plugs deliver consistent spark and about 100,000 km life; coils use premium materials, a stainless-steel spring, ferrite noise suppressor, and heat-resistant thermoplastic connector. Package lacks instructions but installs easily. You get 24-hour support, a 1-year warranty, and a 30-day Amazon return.
Best For: Drivers and DIY mechanics of Nissan and Infiniti 3.5L V6 vehicles (e.g., Maxima, Altima, Q50, FX35, 350Z) who want an all-in-one ignition coil and double-iridium spark plug refresh to reduce misfires and improve cold starts and fuel economy.
Pros:
- Complete kit: includes 6 ignition coils and 6 double iridium spark plugs for a full bank replacement.
- Long-life plugs and quality coils: double iridium plugs (~100,000 km) and premium coil construction (stainless-steel spring, ferrite suppressor, heat-resistant connector).
- OE-matching design and easy installation with 24-hour support, 1-year warranty, and 30-day Amazon returns.
Cons:
- No installation instructions included, which may challenge less-experienced DIYers.
- Warranty limited to 1 year; longer-term coverage not provided.
- Compatibility limited to specified Nissan and Infiniti 3.5L V6 model years—verify fit for your exact vehicle.
Ignition Coil Packs and Spark Plugs Compatible with V6 3.5L Nissan/Infiniti (Pack of 6)

If you own a V6 3.5L Nissan or Infiniti and need a complete ignition refresh, this pack of six coils and pre-gapped spark plugs gives you a direct, OEM-style replacement that’s ready to install. You’ll replace worn coils and plugs on Maxima, Altima, Murano, Pathfinder, Quest, 350Z and many Infiniti models (see compatibility list). Parts match OEM numbers like 22448JA10A and UF550; connectors are male and installation is plug-in. At 1.55 kg it’s easy to handle. Designed to meet or exceed OEM specs, the kit resolves misfires, rough idle, hard starting and fuel economy issues. Returns: 30 days; reviews 4.5/5.
Best For: Owners of V6 3.5L Nissan or Infiniti models (2007–2020 range) who want a complete, OEM-style ignition coil and spark plug replacement kit for resolving misfires, rough idle, or starting/power issues.
Pros:
- Complete kit of 6 ignition coils and 6 pre-gapped spark plugs for a full, matching ignition refresh.
- Direct plug-in fitment with OEM-equivalent part numbers (e.g., 22448JA10A, UF550) for many Maxima, Altima, Murano, Pathfinder, Quest, 350Z and Infiniti models.
- Designed to meet or exceed OEM specs; addresses misfires, hard starts, rough idle and fuel economy problems.
Cons:
- Compatibility limited to V6 3.5L models listed — not suitable for other engines or years outside the specified range.
- Warranty/return coverage is limited to a 30-day Amazon return policy; additional warranty details are not provided up front.
- Aftermarket part may have variability compared with brand-new OEM parts despite OEM-equivalent numbers.
Set of 6 Ignition Coil Packs and Spark Plugs for Nissan and Infiniti 3.5L V6 (Replacement UF550 22448JA10C)

This set of six coil packs and pre-gapped spark plugs is ideal for Maxima owners who need a full ignition refresh—it’s a direct-fit replacement (UF550 / 22448JA10C) engineered to restore factory spark output and eliminate misfires across the 3.5L V6. You’ll get OE-equivalent connectors, voltage-matched windings, and high-temp epoxy coil bodies for reliable operation. The pack fits 2009–2019 Maxima and many Nissan/Infiniti 3.5L models (Altima, Murano, Pathfinder, 350Z, Quest, G35, EX35, FX35, JX35, M35). Pre-gapped plugs improve cold starts, throttle response, and consistent combustion for daily and highway driving. It replaces OE numbers UF550, 22448JA10C, C1670, 5C1727, and 1406.
Best For: Owners of 3.5L V6 Nissan and Infiniti models (especially 2009–2019 Maxima) needing a full direct-fit ignition refresh to stop misfires and restore factory spark performance.
Pros:
- Direct-fit replacement for OE UF550 / 22448JA10C with OE-equivalent connectors and voltage-matched windings for easy installation and reliable performance.
- Includes six pre-gapped spark plugs and high-temp epoxy coil bodies to improve cold starts, throttle response, and consistent combustion.
- Broad fitment across many Nissan and Infiniti 3.5L models (Maxima, Altima, Murano, Pathfinder, 350Z, Quest, G35, EX35, FX35, JX35, M35), allowing a full-bank replacement in one kit.
Cons:
- Designed specifically for 3.5L V6 applications—won’t fit other engine sizes or non-specified models.
- May not match OEM lifetime or warranty coverage depending on seller/manufacturer compared with dealer parts.
- Replacing coils and plugs as a full set can be more costly upfront than changing individual failed components.
Factors to Consider When Choosing Spark Plugs for Nissan Maxima 2011
When picking spark plugs for your 2011 Maxima, you’ll want to match the heat range to your driving and engine conditions and choose the right electrode material for performance and wear. Make sure the gap is set correctly and that the plugs are OEM-compatible to avoid misfires or damage. Also consider expected longevity and mileage so you pick plugs that suit your maintenance schedule.
Heat Range Match
Because the spark plug’s heat range controls how fast it sheds combustion heat, you should match the plug’s rating to your Maxima’s thermal demands to avoid fouling or pre‑ignition. The heat range number tells you how quickly a plug moves heat to the head—higher number means cooler, lower means hotter. Use the manufacturer’s recommended range for the 2011 Maxima as your baseline to maintain combustion efficiency and reliable ignition. Consider your driving style and climate: spirited driving or hot environments may need cooler plugs to prevent overheating, while short trips in cold climates can benefit from hotter plugs to avoid fouling. Choosing the wrong range risks misfires, poor economy, and higher emissions, so verify the number before buying.
Electrode Material Choice
Electrode material matters a lot for your Maxima’s ignition: iridium and platinum plugs give you far better durability and more consistent sparks than old-style copper. You’ll pick iridium if you want maximum longevity and resistance to wear — iridium tolerates higher temps and pressures and can last up to 100,000 miles, resisting fouling and corrosion better than standard metals. Choose platinum when you want a middle ground: solid durability and reliable performance, typically 60,000–100,000 miles, at a lower cost than iridium. The material you choose affects combustion consistency, fuel efficiency, and emissions, so prioritize iridium for long-term cost-effectiveness or platinum for balanced everyday driving performance.
Proper Gap Setting
If you want reliable ignition and peak efficiency in your 2011 Maxima’s 3.5L V6, set the spark plug gap to the factory spec of 0.044 inches and check it with a feeler gauge during installation. You should verify each plug’s gap rather than assuming pre-gapped units are correct, because gap affects spark strength, combustion consistency, and fuel economy. Too-wide gaps can cause misfires and rough idle; too-narrow gaps reduce ignition energy and acceleration. When you install or service plugs, measure with a quality feeler gauge, gently adjust the electrode if needed, and recheck the dimension. Make gap inspection part of routine maintenance to protect engine performance and extend plug life, especially after prolonged use or heavy driving.
OEM Compatibility Check
Having the correct gap is only part of the equation; you also need plugs that match Nissan’s OEM specifications to guarantee reliable performance in the 2011 Maxima. Always verify OEM part numbers—common ones are 1406 and DILKAR7B11—so replacements fit and function like the originals. Confirm the gap is set to 0.044 inches and that the plug materials match OE recommendations; iridium or platinum are preferred for consistent spark and efficient ignition. Check that any aftermarket option lists compatibility with the 3.5L V6 and that your existing ignition coils are compatible with the chosen plugs, since mismatched coils can degrade performance. Finally, note Nissan’s suggested 105,000-mile service interval and pick plugs meeting these specs.
Longevity and Mileage
Several key factors determine how long spark plugs will last in your 2011 Maxima, and knowing them helps you choose plugs that meet Nissan’s ~105,000-mile recommendation. You should favor iridium plugs for longevity; they resist wear, sustain better ignition, and improve fuel efficiency compared with copper options. Replace plugs on the manufacturer’s schedule to prevent misfires and keep acceleration smooth. Inspect plugs for excessive wear or carbon and oil deposits, since fouled plugs reduce power and raise fuel consumption. Choosing high-quality, OEM-compatible plugs helps maintain proper combustion and lowers the risk of engine damage from misfiring. Ultimately, picking durable iridium plugs and monitoring condition at regular intervals preserves performance and supports the ~105,000-mile service interval.
Frequently Asked Questions
How Often Should I Gap Spark Plugs on a 2011 Maxima?
You should gap the spark plugs whenever you install new ones or if you’re troubleshooting misfires; typically every 30,000–60,000 miles depending on plug type. Always check manufacturer specs and re-gap as needed during replacement.
Can Colder Heat Range Plugs Harm My Engine?
Picture a glowing ember in a cold wind: yes, colder plugs can harm your engine if they overheat or foul. You’ll risk pre-ignition, poor combustion, and shortened plug life, so match the manufacturer’s heat range.
Will Aftermarket Coil Packs Affect My Warranty?
They might. If aftermarket coil packs cause damage, your warranty can be denied for related repairs, but you’re still protected for unrelated failures; keep receipts, use reputable brands, and check manufacturer policies before installing replacements.
Are Platinum Plugs Better Than Iridium for Highway Driving?
Like a steady drumbeat, you’re better off with iridium for highway driving because it lasts longer and maintains spark under sustained load; platinum’s cheaper, but you’ll replace it sooner, costing time and peace of mind.
Can I Use Spark Plugs From Other Nissan Models Interchangeably?
You can sometimes use spark plugs from other Nissan models, but you shouldn’t assume interchangeability; check the correct part number, gap, heat range, and manufacturer specs to guarantee proper fit and engine performance.
Conclusion
You’ve got the playbook—pick NGK Laser Iridium or a trusted OEM-compatible kit, gap to 0.044 inches, and torque them right—and your Maxima will purr like a well-tuned orchestra. Think of this as giving your V6 the clean spark it deserves, like swapping an old light bulb for a lighthouse beacon: clearer ignition, fewer misfires, and smoother highway miles. Choose quality and drive with confidence.