{"product_id":"tr7ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","title":"TR7IX NGK Iridium Spark Plug | Genuine NGK Spark Plug","description":"\u003ch2\u003e🔧 Product Description\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNGK Iridium Spark Plug – Part Number: TR7IX\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIridium NGK spark plugs offer a longer service life than a standard nickel-tipped spark plug: while nickel-alloy plugs offer a service life of roughly 20,000-40,000km, NGK Iridium IX spark plugs offer a service life of up to 60,000km, so fewer replacements are needed over time despite the higher initial cost.\u003c\/p\u003e\u003cp\u003ePrecious-metal spark plugs like the NGK Iridium IX also offer higher ignitability, achieved with an exposed fine-tip centre electrode that promotes superior flame growth compared with a standard spark plug. Iridium has a much higher melting point (2410°C) than nickel (1453°C), allowing the centre electrode diameter to be reduced from 2.5mm to 0.6mm – a smaller electrode mass that reduces the impedance to flame progress, helping acceleration, fuel consumption and idle quality.\u003c\/p\u003e\u003ch2\u003e⚙️ Key Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFine iridium-tipped centre electrode for a slow wear rate and stable idle\u003c\/li\u003e\n\u003cli\u003eLonger service life than standard nickel plugs\u003c\/li\u003e\n\u003cli\u003eTrivalent metal plating provides superior anti-corrosion and anti-seizing properties\u003c\/li\u003e\n\u003cli\u003eCorrugated ribs reduce the risk of flashover\u003c\/li\u003e\n\u003cli\u003ePure alumina silicate ceramic insulator, providing superior strength and better heat transfer\u003c\/li\u003e\n\u003cli\u003eCopper core aids in heat removal\u003c\/li\u003e\n\u003cli\u003eTriple seals prevent leakage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e📏 Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNGK stock number: 3690\u003c\/li\u003e\n\u003cli\u003eThread: 14 mm\u003c\/li\u003e\n\u003cli\u003eReach: .708\"\u003c\/li\u003e\n\u003cli\u003eHex: 16 mm (5\/8 in)\u003c\/li\u003e\n\u003cli\u003eSeat: Tapered\u003c\/li\u003e\n\u003cli\u003eTerminal: Solid\u003c\/li\u003e\n\u003cli\u003eType: Projected\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e🚘 Application\u003c\/h2\u003e\u003cp\u003eListed in NGK's application charts for automotive vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCadillac STS (2009-2006) – 8 per engine\u003c\/li\u003e\n\u003cli\u003eCadillac XLR (2009-2006) – 8 per engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e🔄 Supersession \u0026amp; Cross Reference\u003c\/h2\u003e\u003cp\u003eNGK's cross-reference tables list this plug against these part numbers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDENSO: 3690, 5327, IT22, PT22EPR10\u003c\/li\u003e\n\u003cli\u003eACDelco: 12592619, 41-991\u003c\/li\u003e\n\u003cli\u003eAccel: 514, 524\u003c\/li\u003e\n\u003cli\u003eBosch: HGR6KQC, HR5DC\u003c\/li\u003e\n\u003cli\u003eTorch: Q7RTP-11\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e📦 Condition\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand new genuine product\u003c\/li\u003e\n\u003cli\u003eSupplied in original packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":56192803078436,"sku":"087295136904","price":40.0,"currency_code":"AUD","in_stock":true}],"url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/tr7ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}