Looking for the best Automotive Replacement Spark Plugs?
Discover now our comparison of the best Automotive Replacement Spark Plugs. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Spark Plugs are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Spark Plugs in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
- G-Power Platinum
- Designed to operate over a much wider heat range than ordinary plugs
- Resists carbon buildup and pre-ignition
- Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
- Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response
- The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect
- Longer insulator , the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
- Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines
- Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties. Resistor Value-5K Ohm. Hex Size-5/8 inch
- Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling
- The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect
- Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
- Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines
- Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties
- Iridium Spark Plugs
- Designed to operate over a much wider heat range than ordinary plugs
- Resists carbon buildup and pre-ignition
- Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
- Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
- Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer
- NGK is the world's largest supplier of OEM spark plugs
- Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
- This Listing is for 8 3951 TR55 Spark Plugs
- EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today
- FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption
- OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance
- AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs
- CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark 'flash over' and misfires. Spark Plug Seat Style: Gasket
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
- Platinum firing pin and yttrium enhanced ground electrode provide 2X longer service life compared to standard copper plugs
- Fine wire design provides better ignitability and performance
- 360° continuous laser welding to fuse the platinum firing pin for increased durability
- 4 year performance satisfaction guarantee
- Original equipment, pre-gapped replacement delivering optimum fit, form and function for a wide range of vehicles including, but not limited to, the following:
- ACURA: 96-04 RL; DODGE: 95-05 Avenger/Stratus, 94-97 B150/250/350/1500/2500/3500, 96-00 Caravan, 94-99 Ram 1500/2500/3500, 95-05 Stratus; HONDA: 03-05 Civic, 96-99 Passport; HYUNDAI: 95-11 Accent, 06-11 Azera, 96-07 Elantra, 07-10 Entourage
- HYUNDAI: 01-09 Santa Fe, 99-10 Sonata, 97-08 Tiburon, 05-11 Tucson, 07-12 Veracruz, 01-05 XG300/350; Select 90-02 INFINITI; KIA: 04-09 Amanti, 10 Borrego, 01-06 Optima, 06-11 Rio/5, 02-10 Sedona, 03-09 Sorento, 05-09 Spectra/5, 95-02, 05-10 Sportage
- LEXUS: 93-05 GS300, 01-05 IS300, 94-97 SC300; MAZDA: 90, 93, 04-05 Miata; MERCEDES-BENZ: 98-06 CLK320/430/500, 01-02 CL/CLK55, 98-06 CL500, 01-05 C240/320, 98-00 C280/C43, 98-05 E320, 98-02 E430, 03-06 E500, 99-02 E55, 02-08 G500, 98-03 ML320
- MERCEDES-BENZ: 03-05 ML350, 99-01 ML430, 02-07 ML500, 00-03 ML55, 06-07 R500, 01-04 SLK320, 00-06 SL500, 98-02 SL600, 06 S350, 98-99 S420, 00-06 S430, 00-06 S500, 01-02 S55; MITSUBISHI: 95-05 Eclipse, 02-07 Lancer; NISSAN: 91-98 240SX, 00-04 Xterra
- Subaru: 05-10 Forester, 05-11 Impreza, 04-09 Legacy, 05-09 Outback; Toyota: 00-05 Celica, 02-08 Corolla, 00-05 MR2, 03-13 Matrix, 01-09 Prius, 93-98 Supra, 01-04 Tacoma, 07-18 Yaris; Volkswagen: 97, 99-00 EuroVan, 99-02 Jetta, 93, 95-97 Passat
- Come pre-gapped
- The ultimate in spark plug technology and performance from the industry leader
- Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
- New metal shell plating has enhanced anti corrosion qualities
- Spark Plug
- Iridium Spark Plug
- Better Performance
- Good Brand Name NGK
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Last update on 2025-06-04 / Affiliate links / Images from Amazon Product Advertising API