Looking for the best iridium spark plug replacement? We’ve tested and reviewed the top 10 options to help you find the perfect upgrade for your engine.
Iridium spark plugs are a game-changer for your engine. They offer better performance, longer life, and smoother runs. Upgrading to these plugs can save you money and boost your car’s power.
We’ve tested and reviewed the best iridium spark plugs to make your choice easy. Whether you’re a DIY enthusiast or a pro mechanic, this guide has you covered.
List of Top 10 Iridium Spark Plug Replacement
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NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 Pack |
This NGK Iridium IX Spark Plug is perfect for car enthusiasts who want better performance. It’s great for high-speed engines and lasts a long time. |
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NGK 6619 Iridium Spark Plugs LFR6AIX-11-6 Pack |
NGK 6619 Iridium Spark Plugs are perfect for car owners who want reliable performance. They’re great for daily drivers and high-mileage vehicles. |
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NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4 Pack |
This spark plug is perfect for car lovers who want better performance. It’s great for high-speed engines and lasts a long time. |
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Autolite Iridium XP Automotive Replacement Spark Plugs, XP5683 (4 Pack) |
Autolite Iridium XP Spark Plugs are perfect for drivers who want long-lasting, fuel-efficient performance. If you’re looking to save on fuel and avoid frequent replacements, these spark plugs are ideal for you. |
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MIKKUPPA UF553 Ignition Coil Packs and Iridium Spark Plug Replacement for 2007-2011 Ford Edge Flex Fusion Taurus 3.5L, 2007-2016 Lincoln MKS MKT MKX MKZ 3.7L 3.5L, 2007-2015 Mazda 6, Mazda CX-9 |
This MIKKUPPA UF553 Ignition Coil Pack is perfect for car owners who want to fix engine problems like misfires, high fuel use, or slow starts. It’s great for those with Ford, Lincoln, or Mazda models listed, who want reliable parts and better performance. |
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WJAUTO Spark Plugs Iridium 4 Pack, Pre-Gapped Bujías Sparkplugs OEM Replacement for Toyota Mazda Nissan Mercedes-Benz Lexus Land Rover Jaguar Infiniti Chevrolet Acura Pontiac Scion Suzuki |
WJAUTO Spark Plugs are perfect for car owners who want reliable, long-lasting performance. Whether you’re a DIY enthusiast or a professional mechanic, these pre-gapped, iridium spark plugs offer easy installation and improved engine efficiency for daily drivers and performance lovers. |
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Pack of 6 NGK Iridium IX Spark Plug Replacement For Dodge Jeep Chrysler 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Journey Durango Grand Caravan Wrangler Charger 3.6 3.2 V6 |
This spark plug set is perfect for anyone with a Dodge, Jeep, or Chrysler vehicle from 2011 to 2020 who wants to avoid costly repairs and keep their engine running smoothly. |
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BOSCH 9603 OE Fine Wire Double Iridium Spark Plug – Pack of 4 |
The BOSCH 9603 OE Fine Wire Double Iridium Spark Plug is perfect for car owners who want long-lasting, high-performance spark plugs. It’s great for those with compatible vehicles like Acura, Honda, Lexus, Toyota, and more. |
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Autolite Iridium XP Automotive Replacement Spark Plugs, XP3924 (4 Pack) |
The Autolite Iridium XP Spark Plugs are perfect for drivers who want long-lasting, fuel-efficient performance. If you’re looking to save on fuel and avoid frequent replacements, these spark plugs are ideal for you. |
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BOSCH 96337 OE Fine Wire Double Iridium Spark Plug – Pack of 4 |
The BOSCH 96337 OE Fine Wire Double Iridium Spark Plug is perfect for car owners who want reliable performance and long-lasting parts. It’s ideal for vehicles like Acura, Honda, Jeep, and more. |
Detailed Reviews
Discover the top 10 Iridium Spark Plug Replacements handpicked for performance and durability. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best value for your engine. Whether you prioritize longevity, fuel efficiency, or smooth operation, this guide helps you find the perfect match for your vehicle.
1. NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 Pack
The NGK LKR7DIX-11S Iridium IX Spark Plug is designed for high-performance engines. It offers extreme ignitability and improved throttle response.
The spark plug features a 0.6 mm laser-welded fine Iridium tip for durability and a stable spark. The tapered ground electrode minimizes electrical quenching for better performance.
High melting point for durability. Resistor value is 5K Ohm. Hex size is 5/8 inch.
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Perfect For:
This NGK Iridium IX Spark Plug is perfect for car enthusiasts who want better performance. It’s great for high-speed engines and lasts a long time.
Ready to Purchase?
2. NGK 6619 Iridium Spark Plugs LFR6AIX-11-6 Pack
NGK 6619 Iridium Spark Plugs are a top choice for your engine. They come in a pack of six, ready to boost performance. These plugs are built to last.
Iridium Spark Plugs work well in all conditions. They handle heat better than regular plugs. This means fewer problems and smoother runs.
With triple gasket sealing, leaks are no concern. These plugs resist buildup and last longer. Your engine will thank you for the upgrade.
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Perfect For:
NGK 6619 Iridium Spark Plugs are perfect for car owners who want reliable performance. They’re great for daily drivers and high-mileage vehicles.
Ready to Purchase?
3. NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4 Pack
NGK Iridium IX Spark Plugs are designed for performance. They offer extreme ignitability and improved throttle response, perfect for enthusiasts.
The fine Iridium tip ensures high durability and a stable spark. The tapered ground electrode minimizes electrical issues, while the longer insulator nose prevents fouling.
Iridium alloy provides superior heat resistance. Trivalent Metal Plating offers anti-corrosion and anti-seizing benefits. This 4-pack is ideal for high-performance engines.
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Perfect For:
This spark plug is perfect for car lovers who want better performance. It’s great for high-speed engines and lasts a long time.
Ready to Purchase?
4. Autolite Iridium XP Automotive Replacement Spark Plugs, XP5683 (4 Pack)
Autolite Iridium XP Spark Plugs are built to last up to 100,000 miles, depending on your engine. They are one of the most durable spark plugs available today. This 4-pack ensures you have what you need for your vehicle.
These spark plugs improve fuel efficiency with their 0.6mm finewire design. They also deliver optimal performance thanks to their focused ignition system.
Autolite has been a trusted brand since 1936. Each plug features a platinum-protected ground wire and a V-trimmed electrode for maximum efficiency. These spark plugs are reliable and high-performing.
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Perfect For:
Autolite Iridium XP Spark Plugs are perfect for drivers who want long-lasting, fuel-efficient performance. If you’re looking to save on fuel and avoid frequent replacements, these spark plugs are ideal for you.
Ready to Purchase?
5. MIKKUPPA UF553 Ignition Coil Packs and Iridium Spark Plug Replacement for 2007-2011 Ford Edge Flex Fusion Taurus 3.5L, 2007-2016 Lincoln MKS MKT MKX MKZ 3.7L 3.5L, 2007-2015 Mazda 6, Mazda CX-9
The MIKKUPPA UF553 Ignition Coil Packs and Iridium Spark Plugs are perfect replacements for specific Ford, Lincoln, and Mazda models. They fit 2007–2011 Ford Edge 3.5L, 2007–2016 Lincoln MKZ 3.5L, 2007–2015 Mazda CX-9 3.7L, and more. Always check compatibility before buying to ensure a perfect fit.
These kits solve common engine problems like misfires, high fuel use, and slow acceleration. Made with premium materials, they offer smoother engine operation and longer life. The resin protection prevents overheating cracks, ensuring reliable performance.
Includes 6 ignition coils and 6 spark plugs. Comes with a one-year warranty. MIKKUPPA promises dedicated service for any issues.
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Perfect For:
This MIKKUPPA UF553 Ignition Coil Pack is perfect for car owners who want to fix engine problems like misfires, high fuel use, or slow starts. It’s great for those with Ford, Lincoln, or Mazda models listed, who want reliable parts and better performance.
Ready to Purchase?
6. WJAUTO Spark Plugs Iridium 4 Pack, Pre-Gapped Bujías Sparkplugs OEM Replacement for Toyota Mazda Nissan Mercedes-Benz Lexus Land Rover Jaguar Infiniti Chevrolet Acura Pontiac Scion Suzuki
WJAUTO Spark Plugs are OEM replacements for many car brands. They fit Toyota, Mazda, Nissan, and more.
These iridium spark plugs last up to 80,000 km. They come pre-gapped and ready to install.
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Perfect For:
WJAUTO Spark Plugs are perfect for car owners who want reliable, long-lasting performance. Whether you’re a DIY enthusiast or a professional mechanic, these pre-gapped, iridium spark plugs offer easy installation and improved engine efficiency for daily drivers and performance lovers.
Ready to Purchase?
7. Pack of 6 NGK Iridium IX Spark Plug Replacement For Dodge Jeep Chrysler 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Journey Durango Grand Caravan Wrangler Charger 3.6 3.2 V6
Rev up your engine with the Pack of 6 NGK Iridium IX Spark Plugs. These spark plugs are a direct replacement for your old ones, giving your vehicle the spark it needs. They are easy to install, so you can get back on the road quickly.
Avoid costly repairs by replacing your old spark plugs with these high-quality replacements. They are designed to fit a wide range of vehicles, including Dodge, Jeep, and Chrysler models from 2011 to 2020. With incomparably high electrical resistance, these spark plugs can withstand high temperatures and avoid engine issues.
Save money and restore your vehicle’s performance with these NGK Iridium IX Spark Plugs. If you’re not satisfied, our customer service team is here to help. We stand behind our product and are confident you’ll love the results.
| Pros | Cons |
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Perfect For:
This spark plug set is perfect for anyone with a Dodge, Jeep, or Chrysler vehicle from 2011 to 2020 who wants to avoid costly repairs and keep their engine running smoothly.
Ready to Purchase?
8. BOSCH 9603 OE Fine Wire Double Iridium Spark Plug – Pack of 4
The BOSCH 9603 OE Fine Wire Double Iridium Spark Plug comes in a pack of 4. It offers 4X longer life than standard plugs. It’s ready to install right out of the box.
It features iridium firing pins and ground electrodes for better performance. The 360-degree laser welding ensures durability and easy ignition.
The nickel-plated threads resist corrosion and make installation quick. It fits many vehicles, including Acura, Honda, Lexus, and more.
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Perfect For:
The BOSCH 9603 OE Fine Wire Double Iridium Spark Plug is perfect for car owners who want long-lasting, high-performance spark plugs. It’s great for those with compatible vehicles like Acura, Honda, Lexus, Toyota, and more.
Ready to Purchase?
9. Autolite Iridium XP Automotive Replacement Spark Plugs, XP3924 (4 Pack)
Autolite Iridium XP Spark Plugs are built to last. They can go up to 100,000 miles before needing a change. This makes them a reliable choice for your car.
These spark plugs help save fuel. They use a finewire design for better ignition. This means your engine runs more efficiently.
Autolite is a trusted brand with a long history. Each plug has a platinum-protected ground wire for top performance. They work great in all ignition systems.
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Perfect For:
The Autolite Iridium XP Spark Plugs are perfect for drivers who want long-lasting, fuel-efficient performance. If you’re looking to save on fuel and avoid frequent replacements, these spark plugs are ideal for you.
Ready to Purchase?
10. BOSCH 96337 OE Fine Wire Double Iridium Spark Plug – Pack of 4
The BOSCH 96337 OE Fine Wire Double Iridium Spark Plug is a high-performance upgrade for your engine. It features iridium firing pins and ground electrodes for 4X longer life than standard plugs. This pack of 4 spark plugs is built to last.
These spark plugs offer better ignitability with a 360-degree laser-welded design. They also have nickel-plated threads for easy installation and corrosion resistance. No anti-seize is needed, and they come pre-gapped for quick setup.
Fits many vehicles, meets OE standards, and works with modern engines. Check compatibility before buying. Upgrade your engine today!
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Perfect For:
The BOSCH 96337 OE Fine Wire Double Iridium Spark Plug is perfect for car owners who want reliable performance and long-lasting parts. It’s ideal for vehicles like Acura, Honda, Jeep, and more.
Ready to Purchase?
Buying Guide
Iridium spark plugs boost your engine’s performance and save money in the long run. Upgrading to these plugs gives you smoother runs and longer life. This guide helps you pick the best iridium spark plug replacement for your car.
Factors to Consider When Buying Iridium Spark Plugs:
– Compatibility: Always check your vehicle’s make and model to ensure the spark plugs fit perfectly. Using the wrong type can cause engine issues.
– Durability: Look for spark plugs with high-quality materials like iridium tips. They last longer and handle high temperatures better.
– Performance: Choose plugs that offer better ignitability and improved throttle response. This ensures your engine runs smoothly and efficiently.
– Ease of Installation: Opt for pre-gapped spark plugs to save time. Nickel-plated threads also make installation easier and prevent corrosion.
– Brand Reputation: Stick with trusted brands like NGK, Bosch, or Autolite. They are known for reliability and high performance.
– Price and Value: Compare prices and consider pack sizes. Buying in bulk often saves money, especially for multiple replacements.
– Warranty: Look for products with a warranty. It ensures you’re covered if the spark plugs fail prematurely.
With these tips, you’ll find the perfect iridium spark plug replacement for your vehicle. Enjoy better performance and longer-lasting results!