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    Autolite Double Platinum Spark Plug

    Part #APP5503
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    • Product Details

      Part No.APP5503

      Warranty Details (5 YR REPLACEMENT IF DEFECTIVE)

      Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

      Product Features:

      • Works to optimize engine performance for a longer life and improved fuel economy
      • OE design
      • Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
      • Platinum ball welding process provides a consistent point of contact for enhanced adhesion

    • Specifications
      • Electrode Tip Material:Double Platinum
        Reach:3/4 in
        Seat Type:Gasket
        Thread Diameter:14 mm
        Tip Configuration:Power
        Wrench Diameter:5/8 in
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    Disclaimer: We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.