Top 8 Ruthenium Hx Spark Plugs – Automotive Replacement Spark Plugs

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1. NGK

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Pack of 1, NGK 4344 4344 LTR5IX-11 Iridium IX Spark Plug, Pack of 1

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NGK #ad - Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines. Constructed from durable material. Fine iridium tip ensures high durability. Features superior anti-corrosion and anti-seizing properties. Fit type: Vehicle Specific. You can depend on NGK for quality and reliability.
BrandNGK #ad
ManufacturerNGK #ad
Height1.5 Inches
Length0.35 Inches
Weight0.05 Pounds
Width0.39 Inches
Part NumberLTR5IX-11
ModelLTR5IX-11
WarrantyWe warrant all products sold to be free from defects in material or workmanship for a period of 12 months or 12,000 miles whichever is greater. Our warranty does not cover any labor cost for removal, installation or damage resulting from delay or loss of use in service or repair or for incidental or consequential damages. General terms and conditions of sale are available upon request.

2. NGK

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NGK PLFER7A8EG Laser Platinum Spark Plug, Pack of 1 94833

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NGK #ad - Dual ground electrodes for more consistent spark. Laser platinum spark plugs provide high ignitability and longer service life. Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Laser welded platinum center electrode tip creates faster starts and quicker acceleration while the platinum disc welded to backside of ground electrode provides long life. Trivalent metal Plating provides superior anti-corrosion and anti-seizing properties.
BrandNGK #ad
ManufacturerNGK #ad
Height3.07 Inches
Length9.35 Inches
Weight0.04 Pounds
Width5.51 Inches
Part NumberPLFER7A8EG
ModelPLFER7A8EG

3. NGK

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NGK 96024-4PK ILKAR8H6 Iridium Spark Plug, Box of 4

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NGK #ad - Better fuel economy and lower emissions, Trivalent Metal Plating for superior anti-corrosion and anti-seizing. Longer insulator nose prevents fouling, Corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage. Laser welded iridium center electrode tip ensures high durability and greater spark. Platinum disc welded to backside of ground electrode provides long life. Faster starts and quicker acceleration.
BrandNGK #ad
ManufacturerNGK #ad
Height10.6 Inches
Length31.5 Inches
Width24.2 Inches
Part Number96024-4PK
Model96024-4PK

4. NGK SPARK PLUGS (USA),INC.

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DR7EA, 1 Pack, NGK 7839 Standard Spark Plug

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NGK SPARK PLUGS (USA),INC. #ad - Longer insulator nose prevents fouling. Corrugated ribs on insulator prevents flashover. Zinc dipped shell prevents corrosion. Solid copper core for greater spark. Fit type: Universal Fit.
BrandNGK SPARK PLUGS (USA),INC. #ad
ManufacturerNGK SPARK PLUGS (USA),INC. #ad
Height0.74 Inches
Length3.07 Inches
Weight0.09 Pounds
Width0.85 Inches
Part Number7839
Model7839

5. NGK

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NGK DCPR8EIX Iridium IX Spark Plug

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NGK #ad - Fit type: Vehicle Specific. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines.

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. Trivalent metal plating has superior anti-corrosion and anti-seizing properties. The 06mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect.
BrandNGK #ad
ManufacturerNGK #ad
Height5 Inches
Length3.15 Inches
Weight0.08 Pounds
Width5 Inches
Part NumberDCPR8EIX
ModelDCPR8EIX
WarrantyLimited Manufacturer

6. NGK

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Box of 4, NGK 94124-4PK ILKAR7L11 Laser Iridium Spark Plug

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NGK #ad - Better fuel economy and lower emissions, Trivalent Metal Plating for superior anti-corrosion and anti-seizing. Longer insulator nose prevents fouling, Corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage. Laser welded iridium center electrode tip ensures high durability and greater spark. Platinum disc welded to backside of ground electrode provides long life. Faster starts and quicker acceleration.
BrandNGK #ad
ManufacturerNGK #ad
Weight0.09 Pounds
Part Number94124-4PK
Model94124-4PK

7. NGK

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NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam Pair

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NGK #ad - Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life. New metal shell plating has enhanced anti corrosion qualities. The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode. Come pre-gapped. The ultimate in spark plug technology and performance from the industry leader.
BrandNGK #ad
ManufacturerNGK #ad
Weight0 Pounds
Part NumberDCPR7EIX
ModelDCPR7EIX-x2--6046-AZ1

8. NGK

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NGK 8196-4PK DCPR6EIX Iridium IX Spark Plug, Pack of 4

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NGK #ad - Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines.

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. Trivalent metal Plating - superior anti-corrosion and anti-seizing properties. The 06mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical Quenching Effect.
BrandNGK #ad
ManufacturerNGK #ad
Height0.9 Inches
Length4 Inches
Weight0.35 Pounds
Width3.5 Inches
Part Number8196-4PK
Model8196-4PK