{"product_id":"tr6ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","title":"TR6IX 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: TR6IX\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: 3689\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 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\u003eIndmar 5.7L V8 CARB H.O. (8 CYL GM SMALL BLOCK) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 5.7L V8 EFI H.O. (8 CYL GM SMALL BLOCK) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 5.7L V8 GEN 1+ CARB (8 CYL GM SMALL BLOCK) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 5.7L V8 GEN 1+ H.O. CARB (8 CYL GM SMALL BLOCK) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 5.7L V8 GEN 1+ H.O. PFI (8 CYL GM SMALL BLOCK) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 5.7L V8 LT-1 (8 CYL GM SMALL BLOCK) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 7.4L V8 (8 CYL GM BIG BLOCK, 1999-1998) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 7.4L V8 H.O. (8 CYL GM BIG BLOCK, To 1997) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar 8.2L V8 (8 CYL GM BIG BLOCK, 1999-1998) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eIndmar FORD 5.8L V8 285 H.O. (351 CID, 1997-1991) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMarine Power L4 3.0L (181 CID, TAPER SEAT .708 REACH, 2000-1992) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMarine Power V8 5.7L PREMIUM (350 CID, 1997-1992) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMarine Power V8 7.4L (L29) (454 CID, 2000) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 3.0L TKS (4 CYL GM) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 3.0LX (4 CYL GM) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 4.3L EFI GEN+ (6 CYL GM V-6, FROM 0L012009) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 4.3L GEN+ (6 CYL GM V-6, FROM 0L010065) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 4.3LH EFI GEN+ (6 CYL GM V-6, FROM 0L010044) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 4.3LX GEN+ (6 CYL GM V-6, 0F803000 TO 0L000000) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 4.3LXH GEN+ (6 CYL GM V-6, 0F803000 TO 0L000000) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 5.0L EFI GEN+ (8 CYL GM SMALL BLOCK, FROM 0L015751) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 5.0L GEN+ (8 CYL GM SMALL BLOCK, FROM 0L015751) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 5.7L COMP GEN+ (8 CYL GM SMALL BLOCK, FROM 0L002005) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 5.7L EFI GEN+ (8 CYL GM SMALL BLOCK, FROM 0L010035) – Inboard Engine\u003c\/li\u003e\n\u003cli\u003eMercruiser 5.7L GEN+ (8 CYL GM SMALL BLOCK, FROM 0L010037) – Inboard Engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThat is the 25 most common of 76 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: 4714, 5326, IT20, IT20TT, T20ERR-U\u003c\/li\u003e\n\u003cli\u003eACDelco: 12571165, 41-104, 41-812, 92143446\u003c\/li\u003e\n\u003cli\u003eBosch: 9608, H7LDCR, HR6KII33X\u003c\/li\u003e\n\u003cli\u003eTorch: Q6RTP-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":56192736067876,"sku":"087295136898","price":41.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/TR6IX__0.jpg?v=1788370592","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/tr6ix-ngk-iridium-spark-plug-genuine-ngk-spark-plug","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}