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10 Best spark plugs of 2025
Explore top picks
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                How do we rank?Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like youCareful review Our team ensures quality, value, and fit based on real user feedbackTrusted insights AI and human analysis guide your decisions, reflecting real user prioritiesReal users impact- Thousands of users trust our site daily 
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- Value for Money2 Sixity Auto Sixity Auto6 pc NGK Iridium IX Spark Plugs compatible with Honda Odyssey 3.5L V6 2008-2019 (does not fit EX, LX trims in 2008-2010 models)Main highlights- 
                        Designed for Honda Odyssey 2008-2019, ensures optimal engine performance with NGK Iridium IX technology.Compatibility and Performance 
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                        Perfect for maintaining engine efficiency and longevity in Honda Odyssey 3.5L V6 models.Ideal for Long-Term Use 
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                        Customers love the consistent performance and reliability of these spark plugs.Customer Praised Reliability 
 
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- 3NGK- NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 PackMain highlights- 
                        Iridium IX offers extreme ignitability and improved throttle response for performance enthusiasts.Extreme Ignitability and Throttle Response 
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                        Perfect for high-performance engines due to high melting point and durability.Ideal for High Performance Engines 
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                        Customers frequently praise the product for boosting fuel efficiency and smoother engine performance.Praised for Improved Fuel Efficiency 
 
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- 4NGK- NGK # 3186 G-Power Platinum Spark Plugs TR5GP - 8 PCSNEWMain highlights- 
                        Designed to operate over a much wider heat range than ordinary plugs.Wide Heat Range Operation 
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                        Perfect for routine maintenance in various engines including lawnmowers.Ideal for Routine Maintenance 
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                        Customers notice significant performance improvement after installation.Praised for Performance Improvement 
 
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- 6NGK- NGK 6619 Iridium Spark Plugs LFR6AIX-11-6 PCSNEWMain highlights- 
                        Designed to operate over a much wider heat range than ordinary plugs, ensuring reliable performance in various conditions.Wide Heat Range Operation 
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                        Perfect for vehicles requiring durable spark plugs, such as Toyota RAV4 and Tacoma V6 engines.Ideal for Long-Lasting Performance 
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                        Customers praise the NGK Iridium Spark Plugs for their longevity and improved engine performance.Highly Recommended by Mechanics 
 
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- 7NGK- NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4 PackMain highlights- 
                        Iridium IX spark plugs offer extreme ignitability and superior anti-fouling, enhancing engine performance and longevity.Extreme Ignitability and Durability 
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                        Perfect for performance enthusiasts, suitable for modern engines requiring high durability and stable spark.Ideal for High-Performance Engines 
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                        Customers rave about noticeable improvements in engine smoothness and fuel efficiency.Praised for Enhanced Performance 
 
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- 8NGK- NGK 3951 Spark Plugs TR55 (8 Pack)Main highlights- 
                        Genuine NGK Spark Plugs, bulk packed for efficiency; ensures optimal engine performance and longevity.Key Features 
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                        Perfect for vehicle maintenance, upgrades, and high-performance applications where reliability is paramount.Ideal Use Cases 
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                        Highly praised for improving engine start-up and overall performance, according to numerous reviews.Customer Praise 
 
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- 10NGK- NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEWMain highlights- 
                        NGK 6509 Iridium Spark Plug offers superior ignition and durability, ensuring optimal engine performance and longevity.Iridium Technology for Enhanced Performance 
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                        Perfect for maintaining smooth operation in vehicles like the GMC Acadia, enhancing acceleration and power.Ideal for Smooth Vehicle Operation 
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                        Customers appreciate the quick delivery and correct gapping, ensuring easy installation and immediate use.Fast Shipping and Proper Gapping 
 
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