{"product_id":"lfr6aix-11-ngk-iridium-spark-plug-genuine-ngk-spark-plug","title":"LFR6AIX-11 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: LFR6AIX-11\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: 6619\u003c\/li\u003e\n\u003cli\u003eThread: 14 mm\u003c\/li\u003e\n\u003cli\u003eReach: 26.5 mm (1.04 in)\u003c\/li\u003e\n\u003cli\u003eHex: 16 mm (5\/8 in)\u003c\/li\u003e\n\u003cli\u003eSeat: Gasket\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 marine, motorcycle, ATV and snowmobile equipment and automotive vehicles. The chart shows a 1.0 mm gap for these engines, but check it against your engine's manual before fitting.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMercury FOURSTROKE 115, 1.7L, SERIAL 0T178500-1B366822 (115 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F350, 5.3L V8 (350 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F350A (350 HP, 2013-2011) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F350TUR, TXR (350 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF350A (350 HP, 2013-2011) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF350TUR, TXR (350 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F300, 4.2L V6 (300 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F300A, 4.2L V6 (300 HP, 2013-2011) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F300TUR, TXR (300 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF300A, 4.2L V6 (300 HP, 2013-2011) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF300TUR, TXR (300 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F250, 3.3L V6 (250 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F250, 4.2L V6 (250 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F250A, 4.2L V6 (250 HP, 2013-2011) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F250BTUR, BTXR (250 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F250TUR, TXR (250 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF250, 3.3L V6 (250 HP, 2013-2011) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF250A, 4.2L V6 (250 HP, 2013-2011) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF250BTUR, BTXR (250 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha LF250TUR, TXR (250 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha VF250, 4.2L V6 V MAX SHO (250 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha VF250X, 4.2L V6 V MAX SHO (250 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F225, 3.3L V6 (225 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F225, 4.2L V6 (225 HP) – Outboard Engine\u003c\/li\u003e\n\u003cli\u003eYamaha F225TLR (225 HP, 2010-2006) – Outboard Engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThat is the 25 most common of 98 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\u003eDENSO: 4704, 5344, 5618, IKH20, IKH20TT, VKH20\u003c\/li\u003e\n\u003cli\u003eBosch: 9613, 9615, FR7N1133X\u003c\/li\u003e\n\u003cli\u003eACDelco: 12565996\u003c\/li\u003e\n\u003cli\u003eChampion: 9775\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":56192717521188,"sku":"087295166192","price":34.0,"currency_code":"AUD","in_stock":true}],"url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/lfr6aix-11-ngk-iridium-spark-plug-genuine-ngk-spark-plug","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}