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Searching for your parts in the DENSO part catalog is easy. Simply select the type of part you are looking for along with the year/make/model of your vehicle.

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    Search for cross reference part numbers for other manufacturers of the parts you're looking for.

    Cross Reference information is provided as a guide only. Please refer to the "Applications" lookup tabs for more detail. Materials and designs will differ among brands, so plugs are not exactly alike. Always check with your OE service manual for proper installation and settings.

    Double Platinum

    Double Platinum

    Double Platinum Features: Platinum center electrode Platinum ground electrode Premium shell construction with machine-rolled threads Find Your Part Where to Buy Superior thermal conductivity Sustained spark performance over 60,000 miles Reduced secondary required...
    Iridium Long Life

    Iridium Long Life

    Iridium Long Life Features: Fine-wire iridium center electrode Platinum ground electrode 360° laser-welded spark tip Endures extreme temperatures greater than 4000°F associated with high-performance ignition and special fuel systems Find Your Part Where to Buy...
    Iridium Power®

    Iridium Power®

    Iridium Power® Features: Tapered cut, U-Groove ground electrode 0.4mm iridium Tip Patented 360-degree laser welding assembly process Find Your Part Where to Buy Required ignition voltage reduced Unsurpassed center electrode durability Available for many performance...
    Iridium Racing®

    Iridium Racing®

    Iridium Racing® Features: 0.4mm iridium center electrode, the slimmest in the industry Patented self-cleaning insulator/electrode design Durable, reusable packaging protects spark plugs when not in use 100% pure platinum 0.8mm ground electrode 360-degree laser welding...
    Iridium TT®

    Iridium TT®

    Iridium TT® Features: Titanium-enhanced alloy ground electrode 1.1mm platinum center electrode Minimum-quench electrode design Find Your Part Where to Buy Handles extreme compression and boost levels Ultimate performance and durability Delivers maximum spark energy...
    Iridium Power®

    Original U-Groove

    Original U-Groove Features: 100 percent pre-fired to ensure reliable operation Copper core center electrode for superior thermal conductivity Unique five-rib insulator reduces flashover and decreases voltage loss Dual copper and glass seal bonds the center electrode...