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Denso® Iridium Power™ Spark Plug 5373

Denso Iridium Power™ Spark Plug 5373
$6.72
In Stock. Ships in 1-3 Business Days

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  • Specifications
  • Features
  • Vehicle Fitment
  • Specifications

    BrandDenso
    Part Number5373
    Part DescriptionIridium Power™ Spark Plug
    Electrode MaterialIridium
    Gap.031" (0.8 mm)
    Heat Range27
    Hex Size18 mm
    Nominal Gap0.8 mm
    Overall HeightISO
    Reach19 mm (3/4")
    Seat TypeGasket
    Terminal TypeRemovable Nut
    Thread Diameter12 mm
    Thread Pitch1.25 mm
    UPC042511053731
    Warning: California’s Proposition 65
  • Features

    Denso Iridium Tt™ Spark Plug are featured as follows:
    • Designed to replace the factory spark plugs.
    • Manufactured to be more durable than all others in terms of the heavy quality measures.
    • Ensuring that it does not have any issues.
    • More power, quicker easier starts, lower misfire rates during heavy load operation, improved fuel efficiency.
    • The fine wire iridium center electrode and a ground electrode made of platinum makes up for its features.
    • Can stand higher temperatures of more than 4,000° F which come along with high-performance ignition systems as well as special fuel setups.
    • Three times longer lasting than standard plugs' lifespan.
    A Denso spark plug is a high-quality substitute for your ignition system; it is made with tough quality specifications to ensure its long-lasting durability and hassle-free service. It has a patented Iridium alloy that is six times harder and eight times stronger than standard Platinum, making it capable of withstanding temperatures above 4,000°F. This plug offers extra power, easy fast starts, less misfires on heavy loading and better fuel economy due to its design for unforgiving conditions over the engine's lifespan. Additionally, Denso Iridium Tt™ Spark Plug 5373 comes with 360° laser-welded spark tip and fine-wire iridium center electrode. It outlasts any other part; as it will function perfectly in modern vehicles as original equipment for more than three times longer than common plugs.
    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
    1985-1989 Ferrari 328 GTBAll Trims8 Cyl 3.2L
    1985-1989 Ferrari 328 GTSAll Trims8 Cyl 3.2L
    1993-1994 Ferrari 348 GTSAll Trims8 Cyl 3.4L
    1989-1992 Ferrari 348 TSAll Trims8 Cyl 3.4L
    1986-1988 Ferrari Mondial 3.2All Trims8 Cyl 3.2L
    1989-1993 Ferrari Mondial tAll Trims8 Cyl 3.4L
    1985-1991 Ferrari TestarossaAll Trims12 Cyl 4.9L
    1983 Honda CB1000C CustomAll TrimsAll Engines
    1983 Honda CB1100FAll TrimsAll Engines
    1980-1982 Honda CB900C CustomAll TrimsAll Engines
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