{"product_id":"tr5ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","title":"TR5IX 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: TR5IX\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: 7397\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 marine, motorcycle, ATV and snowmobile equipment and automotive vehicles. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.0 mm depending on the engine, so check the line for yours.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCrusader CLASSIC-5.7L PLUS EFI – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eCrusader CLASSIC-5.7L PLUS MPI – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eCrusader CLASSIC-7.4L MPI – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eCrusader PLATINUM-5.7L PLUS MPI – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eCrusader PLATINUM-7.4L MPI – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 5.7L V8 EXCEPT LS1 (8 CYL GM SMALL BLOCK, 2005-1994) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 7.4L V8 (8 CYL GM BIG BLOCK, 2005-2003) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 8.2L V8 (8 CYL GM BIG BLOCK, 2005-2003) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eKodiak 5.7L V8 310 HP (350 CID, 2000-1999) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMarine Power GM V6 4.3L (262 CID, 2000-1998) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMarine Power V8 5.0L (305 CID, 2000) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMarine Power V8 5.7L (350 CID, 2000-1998) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 3.0L MPI ECT (4 CYL GM) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 4.3L TKS (6 CYL GM V-6) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 350 MAG MPI (8 CYL GM SMALL BLOCK, FROM 0L304700, 2006-2000) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 350 MAG MPI GEN+ HORIZON (8 CYL GM SMALL BLOCK, 0L304700 TO 0M309999) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser BLACK SCORPION MX 6.2 (8 CYL GM SMALL BLOCK, 2006-2000) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eOmc 2.3L COBRA (1990-1987) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eOmc 3.0L COBRA (1998-1993) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eOmc 3.0L COBRA HO (1998-1990) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eOmc 5.0L COBRA EFI (1995-1993) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eOmc 5.8L COBRA EFI (1996-1992) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eOmc 5.8L KING COBRA EFI HO (1995-1993) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eVolvo-Penta OCEAN SERIES - 4.3L OSI-XPD – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eVolvo-Penta OCEAN SERIES - 5.0L OSI-XPD – Inboard Engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThat is the 25 most common of 244 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: 12571533, 1835350T, 1835384T, 1835422T, 241-904, 241-906, 241-910, 25164640 and 8 more\u003c\/li\u003e\n\u003cli\u003eChampion: 7408, 9204, 9204-2, 9204S, 9405, 9405-2, 9602, 9808 and 8 more\u003c\/li\u003e\n\u003cli\u003eBosch: 4011, 4205, 4211, 9602, 9657, H8DP, HR8D1133X, HR8DPX and 2 more\u003c\/li\u003e\n\u003cli\u003eAutolite: XP103, XP103DP2, XP104, XP104DP2, XP105, XP105DP2, XP106, XP5243\u003c\/li\u003e\n\u003cli\u003eDENSO: 4713, 5090, 5325, IT16, IT16TT, ZTJ16R10\u003c\/li\u003e\n\u003cli\u003eMotorcraft: AGSF22PP, AGSF32W, AWSF22E\u003c\/li\u003e\n\u003cli\u003eBeck Arnley: 1765290\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":56192476184868,"sku":"087295173978","price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/TR5IX__0.jpg?v=1788370591","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/tr5ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}