{"product_id":"ngk-5984-spark-plug","title":"NGK 5984 Spark Plug","description":"\u003ch2\u003eNGK Spark Plug 5984 Overview\u003c\/h2\u003e\u003cp\u003eNGK spark plug 5984 is a standard replacement spark plug built for a wide range of snowmobile and powersports applications. It uses a copper core center electrode, nickel tip materials, and a 5,000 ohm resistor for stable ignition performance.\u003c\/p\u003e\u003cp\u003eCompatible With Polaris, Ski-Doo, Arctic Cat, and Yamaha applications, this spark plug is specified across many models with different gap requirements. The NGK 5984 part number is also listed as BR9ES SOLID S25.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCopper core center electrode for consistent heat transfer.\u003c\/li\u003e\n\u003cli\u003eNickel center and ground electrode tip materials.\u003c\/li\u003e\n\u003cli\u003e5,000 ohm resistor for reduced electrical noise.\u003c\/li\u003e\n\u003cli\u003eStandard ground electrode design with a flat seat.\u003c\/li\u003e\n\u003cli\u003e14 mm thread diameter, 0.75 in reach, and 13\/16 in hex size.\u003c\/li\u003e\n\u003cli\u003ePre-gapped specification and non-removable nut terminal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 5984 is a conventional spark plug designed around OE-style construction and broad application coverage. The plug’s copper core and nickel electrode materials support reliable spark delivery, while the standard ground configuration and flat seat match common factory-style ignition requirements. This part number, 5984, is used across many Polaris, Ski-Doo, and Yamaha models, including fitments that call for specific gap settings such as 0.016 in, 0.020 in, 0.024 in, 0.025 in, 0.028 in, and 0.032 in.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard starting caused by worn or fouled spark plugs.\u003c\/li\u003e\n\u003cli\u003eMisfire conditions from weak or inconsistent spark output.\u003c\/li\u003e\n\u003cli\u003eIgnition performance loss from electrode wear.\u003c\/li\u003e\n\u003cli\u003eMaintenance replacement for factory-style spark plug service.\u003c\/li\u003e\n\u003cli\u003eRestoring proper combustion in compatible powersports engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the required gap for the specific application before installation, since listed fitments use different gap specifications. Confirm thread diameter, reach, seat type, and terminal style match the original plug. Use the vehicle service information for final torque and gap verification.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is a major OE spark plug supplier in North America with more than 80 years of automotive experience. The brand manufactures to original equipment standards and supports a broad range of automotive and powersports ignition applications.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725765206197,"sku":"BCDP-5984","price":11.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_5984_Fro.jpg?v=1794209721","url":"https:\/\/www.partcatalog.com\/products\/ngk-5984-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}