{"product_id":"ngk-5438-spark-plug","title":"NGK 5438 Spark Plug","description":"\u003ch2\u003eIridium IX Spark Plug Overview\u003c\/h2\u003e\u003cp\u003eNGK Iridium IX spark plug 5438 is built for snowmobile applications that call for a flat-seat plug with a 14 mm thread, 0.75-inch reach, and a 13\/16-inch hex. It uses an iridium center electrode, nickel ground electrode, and a 0.032-inch pre-gap for direct replacement service in a wide range of Ski-Doo and Yamaha models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIridium center electrode for stable ignition performance.\u003c\/li\u003e\n\u003cli\u003eNickel ground electrode with taper-cut tip design.\u003c\/li\u003e\n\u003cli\u003e5000 ohm resistor for reduced electrical noise.\u003c\/li\u003e\n\u003cli\u003eFlat seat, 14 mm thread, and 0.75-inch reach.\u003c\/li\u003e\n\u003cli\u003ePre-gapped to 0.032 inches for many listed applications.\u003c\/li\u003e\n\u003cli\u003eNGK part number 5438, also identified as BR9ECSIX.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eNGK 5438 is an Iridium IX spark plug engineered for snowmobile engines that require a flat-seat plug with the listed thread, reach, and heat range. The iridium center electrode and copper core help support consistent spark delivery, while the slant ground configuration and taper-cut tip are used to promote efficient flame initiation. This plug is listed for many Ski-Doo MX Z, Renegade, Summit, GSX, GTX, and Expedition models, as well as Yamaha SRX, VX VMAX, and Venture applications. If you are replacing worn plugs in a Ski-Doo MX Z or Yamaha VMAX application, NGK 5438 provides a direct service part reference for the specified fitments.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring ignition performance when the original plug is worn or fouled.\u003c\/li\u003e\n\u003cli\u003eAddressing hard starting caused by degraded spark output.\u003c\/li\u003e\n\u003cli\u003eCorrecting misfire or uneven combustion from an incorrect heat range or gap.\u003c\/li\u003e\n\u003cli\u003eReplacing a plug with the specified flat-seat, 14 mm configuration.\u003c\/li\u003e\n\u003cli\u003eMaintaining proper operation in listed Ski-Doo and Yamaha snowmobile engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the application against the fitment list before installation. Check and set the gap to the vehicle-specific note shown in the fitment data; most listed applications call for 0.032 inches, while some Yamaha entries specify 0.028 inches and one Ski-Doo application specifies 0.020 inches. Use the correct torque procedure for the engine and confirm the plug seat type, thread diameter, and reach match the original specification. NGK 5438 may also be referenced as BR9ECSIX in catalog data.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is a major OE spark plug supplier in North America and has more than 80 years of automotive manufacturing experience. The brand states that it maintains original equipment standards and uses state-of-the-art manufacturing and distribution facilities to support product consistency. Part number 5438 is backed by NGK's OE-focused engineering approach.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725764288693,"sku":"BCDP-5438","price":20.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_5438_Fro.jpg?v=1794209690","url":"https:\/\/www.partcatalog.com\/products\/ngk-5438-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}