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Updated: 18 Apr 2026

10 Best Spark Plugs Platinum

#1 Best Pick
8x NGK G-Power Platinum Spark Plug Stock 3186 Platinum Tip Trapezoid .040" TR5GP

8x NGK G-Power Platinum Spark Plug Stock 3186 Platinum Tip Trapezoid .040" TR5GP

Brand: NGK
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  • Includes (8) Spark Plug.
  • Genuine NGK Replacement Part.
  • New, Bulk Packed.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.
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#2 Best Value
ACDelco 41-993 Professional Iridium Spark Plug

ACDelco 41-993 Professional Iridium Spark Plug

Brand: ACDelco
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  • Iridium offers better engine idle stability and smoother performance
  • Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
  • Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy
  • One piece suppressor seal blocks radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap
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#3 Budget Pick
ACDelco 41-101 Professional Iridium Spark Plug

ACDelco 41-101 Professional Iridium Spark Plug

Brand: ACDelco
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  • Iridium offers better engine idle stability and smoother performance
  • Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
  • Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy
  • One piece suppressor seal blocks radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage
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#4 Top Choice
A-Premium Iridium Platinum Spark Plugs, Automotive Replacement Parts Compatible with Mitsubishi Eclipse Cross 2018 2019 2020, 1.5L, Pack of 4

A-Premium Iridium Platinum Spark Plugs, Automotive Replacement Parts Compatible with Mitsubishi Eclipse Cross 2018 2019 2020, 1.5L, Pack of 4

Brand: A-premium
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  • [Reference Number]: A-Premium Spark Plugs fit for 92154, SILKR7H8, 1822A104
  • [Vehicle Fitment]: Compatible with Eclipse Cross spark plugs; Compatible with Mitsubishi Eclipse Cross 2018-2020 L4 1.5L --- with 0.032" Gap
  • [Specifications]: ①Center Electrode Tip Material: Iridium; ②Center Electrode Core Material: Platinum; ③Gap Size (IN): 0.032
  • [Exceptional Ignitability]: Designed alongside OEMs and engineered for maximum ignition performance
  • [Engineered for Longevity]: For optimal engine performance and longevity, it is recommended to replace platinum iridium spark plugs at mileage intervals of 80,000 to 100,000 miles
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#5 Popular Choice
NGK Iridium Platinum Spark Plug ILKR9Q7G 97312 Compatible With Kia K3,Compatible with Smart Run,Compatible with Hyundai Elantra(4PCS)

NGK Iridium Platinum Spark Plug ILKR9Q7G 97312 Compatible With Kia K3,Compatible with Smart Run,Compatible with Hyundai Elantra(4PCS)

Brand: KHABADJ
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  • - Compatible With Kia K3,Compatible with Smart Run,Compatible with Hyundai Elantra
  • - Part Number :ILKR9Q7G 97312
  • - increase engine power and torque Auto Parts Spark Plugs High heat resistance.
  • - Improves fuel efficiencyAutomotive ignition spark plugs help reduce fuel consumption and emissionsSpark plugs effectively discharge high voltage electricity. Promotes thorough and efficient fuel combustion.
  • - Optimized ignition ensures efficient and reliable spark discharge for optimal combustion Durability and long-lasting performance Minimizes deposit and dirt buildup Spark Plug Replacement Kits.
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#6 Top Pick
6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT

6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT

Brand: Denso
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  • DENSOs revolutionary Twin-Tip design is a combination of highly durable precious metals-Platinum and Titanium.
  • The center electrode is created using an extremely durable platinum alloy that allows for the reduction of the tip size to 1.1mm in diameter, while maintaining the life of the plug.
  • The Titanium-enhanced alloy on the ground electrode also increases durability, which is critical to minimize tip erosion and achieve the new Twin-Tip design
  • Superior ignitability of the DENSO Platinum TT means more efficient combustion, which yields better engine performance in terms of power and fuel economy.
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#7 Top Pick
Bosch Automotive (7422) OE Fine Wire Double Platinum Spark Plug - Pack of 10

Bosch Automotive (7422) OE Fine Wire Double Platinum Spark Plug - Pack of 10

Brand: Bosch
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  • Double Platinum firing pin and ground electrode inlay provide 3X longer service life compared to standard copper plugs
  • Fine wire design provides excellent ignitability and performance
  • 360 continuous laser welding to fuse the platinum firing pin for increased durability
  • 5 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:.CHRYSLER: 2004-08 Crossfire; MERCEDES-BENZ: 1998-05 CLK320, 1999-03 CLK430, 2003-06 CLK500, 2001-02 CLK55 AMG, 2006 CLS500, 1998-06 CL500.MERCEDES-BENZ: 2001-02 CL55 AMG, 2001-05 C240, 1998-00 C280, 2001-05 C320, 1998-00 C43 AMG, 1998-05 E320, 1998-02 E430.MERCEDES-BENZ: 2003-06 E500, 1999-02 E55 AMG, 2002-08 G500, 2003-04 G55 AMG, 1998-03 ML320, 2003-05 ML350, 1999-01 ML430, 2002-07 ML500.
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#8 Top Pick
Autolite Platinum AP45 Automotive Replacement Spark Plug (1 Pack)

Autolite Platinum AP45 Automotive Replacement Spark Plug (1 Pack)

Brand: Autolite Iridium Ultra
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  • MAXIMUM PERFORMANCE: Every Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.
  • IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer
  • CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life
  • FUEL EFFICIENCY: The Autolite Platinum automotive replacement spark plug works to optimize engine performance for a longer life and improved fuel economy.
  • 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 plugs needs
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#9 Top Pick
Autolite APP5224-4PK Double Platinum Spark Plug, Pack of 4

Autolite APP5224-4PK Double Platinum Spark Plug, Pack of 4

Brand: Autolite Iridium Ultra
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  • Full platinum tips ensure virtually no gap erosion
  • Works to optimize engine performance for a longer life and improved fuel economy
  • Necked down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration
  • High nickel alloy side electrode maintains precise gap
  • Full copper core electrode provides better performance in all conditions.Fit type: Vehicle Specific
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#10 Top Pick
NGK BMW Spark Plugs, Plug Set Laser Platinum OEM 3199 (6pcs)

NGK BMW Spark Plugs, Plug Set Laser Platinum OEM 3199 (6pcs)

Brand: NGK
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  • 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 6 Spark Plugs
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