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    Denso Standard U-Groove Spark Plug


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    Warranty Information
    This item is not eligible for further promotional discounts, coupons or special offers.
    Save 25% on 4 or more Autolite Iridium Spark Plugs with the purchase of any advertised Full Synthetic or Full Synthetic High Mileage Oil Change Bundle. See rebates page for additional offers.
    • Product Details

      Part No. F100032252ND

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      Denso Spark Plug Denso's standard plugs have always offered a patented U-groove ground electrode producing for a larger, hotter spark. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover.

      Product Features:

      • U-Groove Ground Electrode Promotes Ignitability and Decreases Quenching
      • Fully Projected Insulator Reduces Carbon Fouling
      • Machine Rolled Threads Prevent Seizing or Cross Threading During Installation and Removal
      • 100% Pre-Fired to Assure the Highest Quality Possible
      • Purified Alumina Powder Insulator Provides Exceptional Strength and Thermal Conductivity
      • Five Rib Insulator Prevents Flashover
      • Copper-Glass Seal Bonds Center Electrode and Insulator for a Gas-Tight Seal

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