Top 4 NGK Ifr6a11 – Automotive Replacement Spark Plugs

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1. NGK

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Pack of 1, NGK 4589 IFR6T-11 Laser Iridium Spark Plug

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NGK #ad - Platinum disc welded to backside of ground electrode provides long life. Faster starts and quicker acceleration. 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. Better fuel economy and lower emissions, Trivalent Metal Plating for superior anti-corrosion and anti-seizing.
BrandNGK #ad
ManufacturerNGK #ad
Height2.08 Inches
Length4.35 Inches
Weight0 Pounds
Width2.24 Inches
Part Number4589
Model4589

2. D-E-N-S-O

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Pack of 4, Denso 3297 SK20R11 Spark Plugs

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D-E-N-S-O #ad - Denso # sk20r11 3297. 07mm fine wire iridium-Tipped Center Electrode, Long life and high reliability. Extra long life Iridium Plug, Excellent acceleration and performance. Stable combustion during idling, Features iridium with high melting point. Single Plug.
BrandD-E-N-S-O #ad
ManufacturerD-E-N-S-O #ad
Height0.6 Inches
Length3.4 Inches
Weight0.1 Pounds
Width0.8 Inches
Part Number3297-4
ModelSK20R11 3297
WarrantyWarranty:1 year warranty; Benefits: High precision, hermetically sealed, small size unquestionable, If you are not satisfied with our products, we will resend or refund your full money. Contact us if have any inquiry, please feel free to contact us with Amazon message. Your questions will be replied within 24 hours. Any problems, please contact us first instead of open case or negative/neutral feedback, it will be solved very well! 100% customer satisfaction always be our goal!!!

3. NGK

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NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW

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NGK #ad - Insulator nose prevents fouling, corrugated ribs prevent flashover, triple gasket seal eliminates combustion gas leak. High durability and greater spark. Trivalent metal plating. Quicker acceleration and faster starts. Long life provided by platinum disc welded to the backside of the ground electrode.
BrandNGK #ad
ManufacturerNGK #ad
Part NumberFBA_4589
ModelFBA_4589

4. NGK

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NGK SIFR6A11 Laser Iridium Spark Plug

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NGK #ad - Laser welded iridium center electrode tip ensures high durability and greater spark. Longer insulator nose prevents fouling, corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage. Better fuel economy and lower emissions, trivalent metal plating for superior anti-corrosion and anti-seizing. Platinum disc welded to backside of ground electrode provides long life. Faster starts and quicker acceleration.
BrandNGK #ad
ManufacturerNGK #ad
Height8.27 Inches
Length33.07 Inches
Weight0.1 Pounds
Width9.45 Inches
Part NumberSIFR6A11
ModelSIFR6A11