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Denso® Platinum TT™ Spark Plug 4509

Denso Platinum TT™ Spark Plug 4509
$3.26
In Stock. Ships in 1-3 Business Days

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  • Specifications
  • Features
  • Vehicle Fitment
  • Specifications

    BrandDenso
    Part Number4509
    Part DescriptionPlatinum TT™ Spark Plug
    Electrode MaterialPlatinum
    Gap.039" (1.0 mm)
    Ground Electrode Quantity1
    Ground Electrode Tip DesignTitanium Enhanced Twin-Tip
    Heat Range16
    Hex Size5/8" (16 mm)
    MaterialNickel
    Nominal Gap1 mm
    Overall HeightJIS
    Reach11.6 mm (.460")
    Seat TypeTapered
    Spark Plug Reach11.6 mm
    Terminal TypeSolid
    Thread Diameter14 mm
    Thread Pitch1.25 mm
    UPC042511045095
    Wrench Diameter16 mm
    Warning: California’s Proposition 65
  • Features

    Denso Platinum Tt™ Spark Plug are featured as follows:
    • Spark plugs manufactured to replace factory ones.
    • Substitutes for factory spark plugs with high-quality.
    • Can be used without a problem.
    • Utilizes a patented Iridium alloy, which is six times harder and eight times stronger than traditional Platinum.
    • They can withstand temperatures that reach 4,000°F.
    • Enhances more horsepower, quicker easier starting, fewer misfires under loads, and increased fuel efficiency.
    • Features a new laser-welding process that uses 360° technology.
    • Contains a thin wire iridium center electrode and platinum ground electrode.
    Denso Platinum Tt™ Spark Plug 4509 is a good quality replacement part for your ignition, designed to strict standards for unbeatable durability and service with no worries. It has patented Iridium alloy that is six times harder and eight times stronger than usual Platinum, and can withstand temperatures exceeding 4,000°F. The plug has been built for extreme conditions, which sees its application as; increased horsepower, faster easier starts, fewer misfires under load and better fuel economy. Also, the Denso Platinum Tt™ Spark Plug is equipped with 360° laser welding spark tip and fine wire iridium center electrode. It is the best OE replacement offering longer life of over 3X other conventional plugs in today's vehicles.
    DENSO is the world's number one in automotive technology, providing leading vehicle manufacturers with high quality A/C compressors, oxygen sensors and other critical components. These products are designed to meet the most stringent OE requirements and have a never-before-seen performance and durability in the auto parts market. The devotion of DENSO through its creativity and excellence guarantees that their items attain more excellent performance, fuel efficiency and longevity thus being highly preferred by car manufacturers globally.
  • Vehicle Fitment

    Year Make Model Trim Engine
    1970-1972 Avanti IIAll Trims8 Cyl 5.7L
    1973-1976 Avanti IIAll Trims8 Cyl 6.6L
    1977-1980 Avanti IIAll Trims8 Cyl 5.7L
    1981-1985 Avanti IIAll Trims8 Cyl 5.0L
    1973-1975 Buick ApolloAll Trims6 Cyl 4.1L
    1973-1975 Buick ApolloAll Trims8 Cyl 5.7L
    1971-1973 Buick CenturionAll Trims8 Cyl 7.5L
    1973 Buick CenturionAll Trims8 Cyl 5.7L
    1973-1974 Buick CenturyAll Trims8 Cyl 7.5L
    1973-1979 Buick CenturyAll Trims8 Cyl 5.7L
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