Top 7 Spark Plugs NGK Iridium – Automotive Replacement Spark Plugs

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1. NGK

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6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469

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NGK #ad - Extreme performance upgrade via oEM spark plugs and provide a lifetime at 40, 000 50, 000 miles. Plugs have a fine-wire Iridium center electrode and nickel-alloy terrain electrodes for maximum engine and torque. Designed for fuel-injected and turbo engines. Precision laser electrode construction.
BrandNGK #ad
ManufacturerNGK #ad
Height4.98 Inches
Length3.7 Inches
Weight0 Pounds
Width0.94 Inches
Part NumberLFR5AIX-11
Model4469

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

3. NGK

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NGK 6994 IZFR6K-11 Laser Iridium Spark Plugs 6-PCS

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NGK #ad - 1order = 6 Pieces. Good brand Name NGK. Laser iridium Spark Plugs. Free shipping to anywhere in usA and territories For This Item. Better Performance.
BrandNGK #ad
ManufacturerNGK #ad
Height4.98 Inches
Length3.31 Inches
Weight0.66 Pounds
Width0.94 Inches
Part Number6994
ModelIZFR6K-11

4. NGK

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NGK Spark Plugs USA,Inc. IZFR6K11 Spark Plugs Izfr6K11 4Pack

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NGK #ad - Longer insulator nose prevents fouling, corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage. Faster starts and quicker acceleration. Laser welded iridium center electrode tip ensures high durability and greater spark. Platinum disc welded to backside of ground electrode provides long life.
BrandNGK #ad
ManufacturerNGK #ad
Height0.89 Inches
Length3.43 Inches
Weight0.11 Pounds
Width0.98 Inches
Part Number6994
Model6994-4PK
WarrantyManufacturer Warranty

5. OverstockDirect

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OverstockDirect Genuine LZFR5CI11 Laser Iridium Spark Plugs by NGK 16 pack 92145 Compatible with Select Years of Ram 1500 V8 5.7L

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OverstockDirect #ad - 2009-2021 ram 1500 v8 5. 7l laser iridium. This listing is for 16 Spark Plugs. Research applications prior to purchase to Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed. Ngk is the world's largest supplier of OEM spark plugs. Actual oe manufacturer, Recommended Spark Plug Quality Level for This Vehicle. OverstockDirect Offers Unbeatable Service.
BrandOverstockDirect #ad
ManufacturerNGK #ad
Weight1 Pounds
Part Number92145 LZFR5CI11

6. NGK

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Pack of 4, NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug

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NGK #ad - Trivalent metal plating provides superior corrosion and seizing properties; Part number of spark plug inside the box: ZFR6FIX-11. Longer insulator nose avoid fouling, the corrugated ribs on insulator avoid flashover, and a triple gasket seal eliminates combustion gas leakage.

The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior fouling.
BrandNGK #ad
ManufacturerNGK #ad
Height0.98 Inches
Length0.89 Inches
Weight0 Pounds
Width3.43 Inches
Part Number6441
Model6441-4PK

7. NGK

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4 Pack, NGK LKAR6AIX-11 Iridium IX Spark Plug 91187 Iridium Ix

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NGK #ad - 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. The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Trivalent metal Plating provides superior anti-corrosion and anti-seizing properties. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines.
BrandNGK #ad
ManufacturerNGK #ad
Part NumberLKAR6AIX-11
ModelLKAR6AIX-11