Best Spark Plugs for Mazda 6

Looking for the best spark plugs for your Mazda 6? We’ve compiled a list of the top 10 spark plugs to enhance your driving experience.

Spark plugs are the heart of your Mazda 6’s engine, ensuring smooth starts and powerful performance. Choosing the right spark plugs can boost fuel efficiency, improve acceleration, and extend your engine’s life.

We’ve tested and reviewed the best spark plugs for Mazda 6 models, focusing on durability, compatibility, and value. Whether you’re upgrading or replacing, this guide will help you find the perfect fit for your ride.

List of Top 10 Spark Plugs for Mazda 6

Image Title Best For Price
Bosch Automotive 0242135529 9619 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4) (9621) Bosch Automotive 0242135529 9619 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4) (9621)

Bosch Double Iridium Spark Plugs are perfect for drivers who want long-lasting performance and easy installation. If you own a compatible vehicle and value reliability and efficiency, these spark plugs are ideal for you.

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BDFHYK Set of 4 Iridium Spark Plug Compatible with Mazda 3 6 CX-3,Compatible with Honda Accord CR-V Civic, TLX,Legacy Forester,iA 1.5L 2.0L 2.4L 2.5L L4 H4 Engine Replacement for XP5682 BDFHYK Set of 4 Iridium Spark Plug Compatible with Mazda 3 6 CX-3,Compatible with Honda Accord CR-V Civic, TLX,Legacy Forester,iA 1.5L 2.0L 2.4L 2.5L L4 H4 Engine Replacement for XP5682

This spark plug set is perfect for car owners who want reliable performance. It’s ideal for those with compatible Mazda, Honda, Acura, Scion, or Subaru models, ensuring smooth ignition and better power.

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Set of 4 Ignition Coil Packs & Iridium Spark Plugs Compatible with 2.0L 2.5L 2012-2019 Mazda 3, 2016-2018 3 Sport, 2014-2017 Mazda 6, 2016-2020 CX-3, 2013-2018 CX-5, 2016-2018 MX-5 Miata Replace UF656 Set of 4 Ignition Coil Packs & Iridium Spark Plugs Compatible with 2.0L 2.5L 2012-2019 Mazda 3, 2016-2018 3 Sport, 2014-2017 Mazda 6, 2016-2020 CX-3, 2013-2018 CX-5, 2016-2018 MX-5 Miata Replace UF656

This set of 4 ignition coil packs and iridium spark plugs is perfect for Mazda owners who want reliable performance. It’s ideal for those with 2.0L or 2.5L engines in models like the Mazda 3, 6, CX-3, CX-5, or MX-5 Miata.

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UF656 Ignition Coil & 93501 Double Iridium Spark Plug for 12-20 Mazda 3/14-20 Mazda 6/16-19 CX-3/13-18 CX-5/16-18 MX-5 Miata 2.0L 2.5L L4 Replaces# PE0118100A C1837 5C1894 GN10625 C-857 UF656 Ignition Coil & 93501 Double Iridium Spark Plug for 12-20 Mazda 3/14-20 Mazda 6/16-19 CX-3/13-18 CX-5/16-18 MX-5 Miata 2.0L 2.5L L4 Replaces# PE0118100A C1837 5C1894 GN10625 C-857

This product is perfect for Mazda owners who want to keep their engines running smoothly. It’s ideal for those with 2012-2020 Mazda models like the 3, 6, CX-3, CX-5, or MX-5 Miata. Easy to install and built to last, it ensures better performance and longer life for your vehicle.

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Pack of 4 NGK Iridium IX Spark Plug Replacement For Mazda 3 6 CX-3 CX-5 MX-5 2012-2020 2.0 2.5 L4 Pack of 4 NGK Iridium IX Spark Plug Replacement For Mazda 3 6 CX-3 CX-5 MX-5 2012-2020 2.0 2.5 L4

This spark plug set is perfect for Mazda owners who want to keep their cars running smoothly. It’s easy to replace and saves money on future repairs.

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A-Premium Ignition Coil Pack and Iridium Spark Plugs Compatible with Mazda CX-5 2013-2018, 3 2012-2019, 3 Sport 2014 2016-2018, 6 2014-2017, MX-5 Miata 2016-2018, CX-3 2016-2020, Set of 4 A-Premium Ignition Coil Pack and Iridium Spark Plugs Compatible with Mazda CX-5 2013-2018, 3 2012-2019, 3 Sport 2014 2016-2018, 6 2014-2017, MX-5 Miata 2016-2018, CX-3 2016-2020, Set of 4

This A-Premium Ignition Coil Pack and Iridium Spark Plugs is perfect for Mazda owners who want reliable performance and long-lasting parts. It’s ideal for those driving Mazda CX-5, 3, 6, MX-5 Miata, CX-3, or CX-30 models between 2012 and 2024.

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4pcs XP5263 Double Iridium Spark Plug for Ford Lincoln Mazda Mercury Buick Chevrolet GMC Pontiac Saturn Replace #41-108 ILT5RA 12620540 3811 90083 4pcs XP5263 Double Iridium Spark Plug for Ford Lincoln Mazda Mercury Buick Chevrolet GMC Pontiac Saturn Replace #41-108 ILT5RA 12620540 3811 90083

This spark plug set is perfect for car owners who want reliable performance and long-lasting parts. It’s ideal for Ford, Lincoln, Mazda, and more, offering smooth starts and better fuel efficiency.

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4 pc NGK Iridium IX Spark Plugs compatible with Mazda 6 2.3L 2.5L L4 2006-2013 4 pc NGK Iridium IX Spark Plugs compatible with Mazda 6 2.3L 2.5L L4 2006-2013

This 4-pack of NGK Iridium IX Spark Plugs is perfect for Mazda 6 owners with a 2.3L or 2.5L L4 engine from 2006 to 2013. If you need reliable replacement parts, these genuine NGK spark plugs are a great choice.

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A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2009-2012, CX-9 CX9 2007-2012, 3.5L 3.7L, Pack of 6 A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2009-2012, CX-9 CX9 2007-2012, 3.5L 3.7L, Pack of 6

These A-Premium Iridium Platinum Spark Plugs are perfect for Mazda owners who want reliable performance. If you drive a 2009-2012 Mazda 6 or a 2007-2012 CX-9 with a 3.5L or 3.7L engine, these spark plugs are designed for you.

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A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2003-2005, 5 2006-2007, Tribute 2005-2006/2008, B2300 1994-1997/2001-2010, B2500 1998-2001, 2.3L, Pack of 4 A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2003-2005, 5 2006-2007, Tribute 2005-2006/2008, B2300 1994-1997/2001-2010, B2500 1998-2001, 2.3L, Pack of 4

These A-Premium Iridium Platinum Spark Plugs are perfect for Mazda owners who want reliable performance. If you drive a Mazda 6, 5, Tribute, B2300, or B2500, these spark plugs are designed to fit your vehicle and keep your engine running smoothly.

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Detailed Reviews

Discover the top 10 spark plugs for your Mazda 6, handpicked for performance and value. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your needs. Whether you prioritize durability, fuel efficiency, or smooth starts, this guide has you covered. Dive in to find the perfect spark plug and rev up your Mazda 6 today!

1. Bosch Automotive 0242135529 9619 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4) (9621)

Bosch Automotive 0242135529 9619 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4) (9621)

Bosch Double Iridium Spark Plugs give your engine better performance and longer life. They last up to 4 times longer than standard spark plugs.

These spark plugs have iridium firing pins and ground electrodes for stronger ignition. They also have nickel-plated threads that resist rust and make installation quick and easy.

Pre-gapped and ready to install, these spark plugs fit many vehicles. Check your car’s fitment before buying.

Pros Cons
  • 4X longer life than standard spark plugs, saving you money.
  • Pre-gapped and ready to install right out of the box.
  • Corrosion-resistant threads for quick and easy installation.
  • Enhanced durability with 360-degree laser-welded iridium firing pin.
  • Higher price than standard spark plugs, may not fit all budgets.
  • Limited compatibility, check fitment carefully before purchasing.
  • No gap adjustment needed, but incorrect fit can cause issues.

Perfect For:

Bosch Double Iridium Spark Plugs are perfect for drivers who want long-lasting performance and easy installation. If you own a compatible vehicle and value reliability and efficiency, these spark plugs are ideal for you.

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2. BDFHYK Set of 4 Iridium Spark Plug Compatible with Mazda 3 6 CX-3,Compatible with Honda Accord CR-V Civic, TLX,Legacy Forester,iA 1.5L 2.0L 2.4L 2.5L L4 H4 Engine Replacement for XP5682

BDFHYK Set of 4 Iridium Spark Plug Compatible with Mazda 3 6 CX-3,Compatible with Honda Accord CR-V Civic, TLX,Legacy Forester,iA 1.5L 2.0L 2.4L 2.5L L4 H4 Engine Replacement for XP5682

Rev up your engine with the BDFHYK Set of 4 Iridium Spark Plugs. These spark plugs are compatible with many popular car models, including Mazda, Honda, Acura, and Subaru. They fit 1.5L to 2.5L engines, ensuring a perfect match for your vehicle.

Enjoy superior ignition performance and improved power with these high-quality spark plugs. Made with fine iridium electrodes and durable ceramics, they meet OE standards and are TS16949 certified. Buy with confidence knowing they’re 100% new and reliable.

Pros Cons
  • Fits many cars, ensuring wide compatibility for your vehicle.
  • Superior ignition for faster, more powerful engine performance.
  • High-quality iridium and ceramic parts for long-lasting durability.
  • Certified manufacturer ensures OE-level reliability and safety.
  • Limited vehicle compatibility – check your car’s make/model before buying.
  • No installation tools included – you’ll need to buy separately.
  • Higher price than some generic spark plug options.

Perfect For:

This spark plug set is perfect for car owners who want reliable performance. It’s ideal for those with compatible Mazda, Honda, Acura, Scion, or Subaru models, ensuring smooth ignition and better power.

Ready to Purchase?

3. Set of 4 Ignition Coil Packs & Iridium Spark Plugs Compatible with 2.0L 2.5L 2012-2019 Mazda 3, 2016-2018 3 Sport, 2014-2017 Mazda 6, 2016-2020 CX-3, 2013-2018 CX-5, 2016-2018 MX-5 Miata Replace UF656

Set of 4 Ignition Coil Packs & Iridium Spark Plugs Compatible with 2.0L 2.5L 2012-2019 Mazda 3, 2016-2018 3 Sport, 2014-2017 Mazda 6, 2016-2020 CX-3, 2013-2018 CX-5, 2016-2018 MX-5 Miata Replace UF656

Revive your Mazda’s performance with this complete ignition upgrade. This set includes 4 ignition coil packs and iridium spark plugs, designed for a perfect fit and seamless installation.

Compatible with various Mazda models, from the 2012 Mazda 3 to the 2024 CX-5, this kit ensures your vehicle runs smoothly. It replaces multiple part numbers, making it a versatile solution for many Mazda owners.

Experience improved acceleration and fuel efficiency with these high-performance components. The iridium spark plugs offer exceptional durability, ensuring your engine starts reliably and performs optimally in all conditions.

Pros Cons
  • Fits many Mazda models, ensuring wide compatibility.
  • Restores engine power, improves fuel efficiency, and reduces misfires.
  • Premium iridium spark plugs for durability and reliable starts.
  • Easy plug & play installation, no hassle, saves time.
  • Not universal: Only fits specific Mazda models, check compatibility first.
  • No tools included: Requires separate purchase for installation.
  • Limited warranty: No long-term coverage mentioned for parts.

Perfect For:

This set of 4 ignition coil packs and iridium spark plugs is perfect for Mazda owners who want reliable performance. It’s ideal for those with 2.0L or 2.5L engines in models like the Mazda 3, 6, CX-3, CX-5, or MX-5 Miata.

Ready to Purchase?

4. UF656 Ignition Coil & 93501 Double Iridium Spark Plug for 12-20 Mazda 3/14-20 Mazda 6/16-19 CX-3/13-18 CX-5/16-18 MX-5 Miata 2.0L 2.5L L4 Replaces# PE0118100A C1837 5C1894 GN10625 C-857

UF656 Ignition Coil & 93501 Double Iridium Spark Plug for 12-20 Mazda 3/14-20 Mazda 6/16-19 CX-3/13-18 CX-5/16-18 MX-5 Miata 2.0L 2.5L L4 Replaces# PE0118100A C1837 5C1894 GN10625 C-857

The UF656 Ignition Coil & 93501 Double Iridium Spark Plug is perfect for Mazda owners. It fits 2012-2020 models like the Mazda 3, 6, CX-3, CX-5, and MX-5 Miata. Check the second main picture for more details.

This kit fixes engine problems like misfires and rough idles. It also improves fuel economy and engine performance.

The spark plugs last up to 100,000 kilometers. The ignition coils are made with premium materials for long-lasting use. Enjoy 24/7 customer service and a 1-year warranty.

Pros Cons
  • Fits many Mazda models, ensuring a perfect match.
  • Fixes engine issues like misfires and rough idling.
  • Long-lasting double iridium spark plugs, lasting up to 100,000 km.
  • High-quality materials prevent interference and ensure durability.
  • Easy installation with no manual needed, saving time.
  • No instructions included, might need extra help for setup.
  • Limited vehicle fit, check compatibility before buying.
  • Self-installation required, not ideal for beginners.

Perfect For:

This product is perfect for Mazda owners who want to keep their engines running smoothly. It’s ideal for those with 2012-2020 Mazda models like the 3, 6, CX-3, CX-5, or MX-5 Miata. Easy to install and built to last, it ensures better performance and longer life for your vehicle.

Ready to Purchase?

5. Pack of 4 NGK Iridium IX Spark Plug Replacement For Mazda 3 6 CX-3 CX-5 MX-5 2012-2020 2.0 2.5 L4

Pack of 4 NGK Iridium IX Spark Plug Replacement For Mazda 3 6 CX-3 CX-5 MX-5 2012-2020 2.0 2.5 L4

Revive your ride with this Pack of 4 NGK Iridium IX Spark Plugs. Designed for Mazda 3, 6, CX-3, CX-5, and MX-5 models (2012-2020), these spark plugs ensure a quick and easy replacement. They’re built to restore your vehicle’s performance and save you money on future repairs.

Made with high-quality materials, these spark plugs resist heat and cracks, ensuring a long-lasting fit. Plus, they’re professionally designed for a perfect match to your engine.

Pros Cons
  • Quick, easy spark plug replacement for Mazda vehicles.
  • Avoid costly repairs with reliable ignition coil replacements.
  • High-quality materials ensure long-lasting performance and fit.
  • Restore vehicle performance at home or with your mechanic.
  • Not universal, check compatibility before buying.
  • Requires skill for DIY installation, might need a mechanic.
  • No tools included, you’ll need your own to replace.

Perfect For:

This spark plug set is perfect for Mazda owners who want to keep their cars running smoothly. It’s easy to replace and saves money on future repairs.

Ready to Purchase?

6. A-Premium Ignition Coil Pack and Iridium Spark Plugs Compatible with Mazda CX-5 2013-2018, 3 2012-2019, 3 Sport 2014 2016-2018, 6 2014-2017, MX-5 Miata 2016-2018, CX-3 2016-2020, Set of 4

A-Premium Ignition Coil Pack and Iridium Spark Plugs Compatible with Mazda CX-5 2013-2018, 3 2012-2019, 3 Sport 2014 2016-2018, 6 2014-2017, MX-5 Miata 2016-2018, CX-3 2016-2020, Set of 4

The A-Premium Ignition Coil Pack and Iridium Spark Plugs is a high-quality upgrade for your Mazda. It’s compatible with many models, including CX-5, 3, 6, MX-5 Miata, and more. This kit ensures better engine performance and longer-lasting parts.

Made with iridium alloy, the spark plugs last up to three times longer. They also improve fuel efficiency, reduce emissions, and help your car start faster. The ignition coils are easy to install and fit perfectly.

Buy with confidence. Enjoy a one-year guarantee and peace of mind on the road. Drive smoother and smarter today.

Pros Cons
  • Long-lasting ignition coils and spark plugs for reliable performance.
  • Improved fuel efficiency and reduced emissions with iridium spark plugs.
  • Easy bolt-on installation with precise fit for Mazda models.
  • One-year unlimited-mileage guarantee for peace of mind.
  • Not universal: Fits specific Mazda models only, check compatibility first.
  • Professional install advised: Complex installation may require expert help.
  • No cylinder deactivation: Not suitable for all engine types.

Perfect For:

This A-Premium Ignition Coil Pack and Iridium Spark Plugs is perfect for Mazda owners who want reliable performance and long-lasting parts. It’s ideal for those driving Mazda CX-5, 3, 6, MX-5 Miata, CX-3, or CX-30 models between 2012 and 2024.

Ready to Purchase?

7. 4pcs XP5263 Double Iridium Spark Plug for Ford Lincoln Mazda Mercury Buick Chevrolet GMC Pontiac Saturn Replace #41-108 ILT5RA 12620540 3811 90083

4pcs XP5263 Double Iridium Spark Plug for Ford Lincoln Mazda Mercury Buick Chevrolet GMC Pontiac Saturn Replace #41-108 ILT5RA 12620540 3811 90083

Rev up your engine with the 4pcs XP5263 Double Iridium Spark Plug. This high-quality set is designed to fit a wide range of vehicles, from Ford and Lincoln to Mazda and Chevrolet. Upgrade your ride today.

Experience smoother starts and better fuel efficiency. These spark plugs last longer and perform better than standard options. Enjoy a more reliable driving experience.

Easy to install, these spark plugs come with no instruction manual needed. Backed by a 1-year warranty, you can drive with confidence. Contact us anytime for support.

Pros Cons
  • Long-lasting spark plugs with 100,000 km lifespan.
  • Faster starts and quicker acceleration for smooth driving.
  • Better fuel economy and lower emissions for efficiency.
  • Easy installation with superior performance and reliability.
  • No instruction manual included, might confuse first-time installers.
  • Limited compatibility with older or less common vehicle models.
  • Requires professional installation for best performance and safety.

Perfect For:

This spark plug set is perfect for car owners who want reliable performance and long-lasting parts. It’s ideal for Ford, Lincoln, Mazda, and more, offering smooth starts and better fuel efficiency.

Ready to Purchase?

8. 4 pc NGK Iridium IX Spark Plugs compatible with Mazda 6 2.3L 2.5L L4 2006-2013

4 pc NGK Iridium IX Spark Plugs compatible with Mazda 6 2.3L 2.5L L4 2006-2013

Rev up your Mazda 6 with this 4-pack of NGK Iridium IX Spark Plugs. These spark plugs are compatible with Mazda 6 models from 2006 to 2013 with 2.3L and 2.5L L4 engines.

These spark plugs are genuine NGK parts, ensuring quality and reliability. They come with original packaging and hardware, making installation easy. You’ll get a direct replacement for your old spark plugs.

Confirm vehicle fitment with Amazon Confirmed Fit to ensure a perfect match. These spark plugs will help improve engine performance and fuel efficiency. Upgrade your Mazda 6 today!

Pros Cons
  • Fits Mazda 6 2.3L/2.5L L4 models from 2006-2013.
  • Genuine NGK parts ensure top performance and reliability.
  • Direct replacement with original packaging and hardware included.
  • Amazon Confirmed Fit guarantees perfect compatibility.
  • Not for all Mazda models, check fit first.
  • No installation tools included, buy separately.
  • Price may be higher than standard spark plugs.

Perfect For:

This 4-pack of NGK Iridium IX Spark Plugs is perfect for Mazda 6 owners with a 2.3L or 2.5L L4 engine from 2006 to 2013. If you need reliable replacement parts, these genuine NGK spark plugs are a great choice.

Ready to Purchase?

9. A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2009-2012, CX-9 CX9 2007-2012, 3.5L 3.7L, Pack of 6

A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2009-2012, CX-9 CX9 2007-2012, 3.5L 3.7L, Pack of 6

A-Premium Iridium Platinum Spark Plugs are designed for Mazda 6 and CX-9 models. They fit 2009-2012 Mazda 6 and 2007-2012 CX-9 with 3.5L and 3.7L engines.

These spark plugs use iridium and platinum materials for better performance. They last 80,000 to 100,000 miles and ensure smooth engine operation.

Pros Cons
  • Iridium and platinum ensure long-lasting performance.
  • Perfect fit for Mazda 6 and CX-9 models.
  • Engineered for maximum ignition and engine power.
  • Replace every 80,000–100,000 miles for optimal performance.
  • Higher price than standard spark plugs, may not fit all budgets.
  • Specific fitment limits use to certain Mazda models only.
  • Professional installation recommended, adding extra cost and time.

Perfect For:

These A-Premium Iridium Platinum Spark Plugs are perfect for Mazda owners who want reliable performance. If you drive a 2009-2012 Mazda 6 or a 2007-2012 CX-9 with a 3.5L or 3.7L engine, these spark plugs are designed for you.

Ready to Purchase?

10. A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2003-2005, 5 2006-2007, Tribute 2005-2006/2008, B2300 1994-1997/2001-2010, B2500 1998-2001, 2.3L, Pack of 4

A-Premium Iridium Platinum Spark Plugs Compatible with Mazda 6 2003-2005, 5 2006-2007, Tribute 2005-2006/2008, B2300 1994-1997/2001-2010, B2500 1998-2001, 2.3L, Pack of 4

A-Premium Iridium Platinum Spark Plugs are designed for Mazda vehicles, ensuring a perfect fit and reliable performance. They work with models like the Mazda 6, 5, Tribute, B2300, and B2500, covering years from 1994 to 2010.

These spark plugs feature iridium and platinum materials, offering exceptional ignitability and longevity. They come in a pack of 4, ready to boost your engine’s efficiency.

For optimal engine performance, replace these spark plugs every 80,000 to 100,000 miles. They are engineered for durability and maximum ignition power, keeping your vehicle running smoothly.

Pros Cons
  • Iridium and platinum tips for maximum ignition.
  • Fits multiple Mazda models with precise compatibility.
  • Engineered for longevity, lasting up to 100,000 miles.
  • Optimal engine performance with exceptional ignitability.
  • Not for all Mazda models, check compatibility before buying.
  • Requires precise gap adjustment for optimal performance.
  • Dual plugs needed for some vehicles, doubling the cost.

Perfect For:

These A-Premium Iridium Platinum Spark Plugs are perfect for Mazda owners who want reliable performance. If you drive a Mazda 6, 5, Tribute, B2300, or B2500, these spark plugs are designed to fit your vehicle and keep your engine running smoothly.

Ready to Purchase?

Buying Guide

A calm morning unfolded over the quiet town. People moved with purposeful steps, tending to daily tasks and sharing brief, friendly exchanges. The clock tower chimed softly, reminding everyone that time moves steadily forward. In the market, colors and textures mingled—fresh bread, bright vegetables, and warm conversation—creating a simple tapestry of everyday life. By the river, reflections shimmered, inviting a moment of pause and gratitude for the ordinary that steadily sustains us.