{"product_id":"ur55ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","title":"UR55IX 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: UR55IX\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: 7272\u003c\/li\u003e\n\u003cli\u003eThread: 14 mm\u003c\/li\u003e\n\u003cli\u003eReach: .460\"\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, Wide Gap\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\u003eBuick Century (1992-1984) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eBuick Skylark (1991-1983) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eBuick Somerset (1987-1986) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eBuick Somerset Regal (1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet Astro (1990-1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet Camaro (1986-1984) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet Celebrity (1990-1984) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet Citation II (1985-1984) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet LLV (1993-1987) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet Lumina (1992-1990) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet Monza (1978) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet S10 (1993-1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet S10 Blazer (1988-1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eChevrolet Vega (1975) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eFord E-350 Econoline Club Wagon (1996-1992) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eGmc S15 (1990-1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eGmc S15 Jimmy (1988-1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eGmc Safari (1990-1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eGmc Sonoma (1993-1991) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eOldsmobile Calais (1987-1985) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass Calais (1991-1988) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass Ciera (1992-1984) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass Cruiser (1990-1987) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eOldsmobile Omega (1984) – 4-8 per engine\u003c\/li\u003e\n\u003cli\u003eOldsmobile Starfire (1978) – 4-8 per engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThat is the 25 most common of 33 applications NGK's charts list for this plug – ask us to check yours.\u003c\/p\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\u003eACDelco: 41-816, 41-826\u003c\/li\u003e\n\u003cli\u003eDENSO: 7272, ITF16\u003c\/li\u003e\n\u003cli\u003eBosch: HR8BCY\u003c\/li\u003e\n\u003cli\u003eMotorcraft: ASF42-6C\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":56192579797284,"sku":"087295172728","price":39.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/UR55IX__0.jpg?v=1788370731","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/ur55ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}