{"product_id":"ngk-4948-spark-plug","title":"NGK 4948 Spark Plug","description":"\u003ch2\u003eLaser Iridium Spark Plug\u003c\/h2\u003e\u003cp\u003eNGK 4948 is a Laser Iridium spark plug built for Suzuki motocross and off-road applications that call for precise ignition performance. It combines an iridium center electrode with a nickel ground electrode and a 0.040-inch pre-gap for consistent spark delivery.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLaser Iridium design for stable ignition performance.\u003c\/li\u003e\n\u003cli\u003eIridium center electrode with nickel ground electrode construction.\u003c\/li\u003e\n\u003cli\u003e0.040-inch pre-gap and 5,000 ohm resistance.\u003c\/li\u003e\n\u003cli\u003eFlat seat, 10 mm thread diameter, and 0.75-inch reach.\u003c\/li\u003e\n\u003cli\u003eNon-removable nut terminal with standard ground configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 4948, also identified as CR8EIB-10, is an OE-style spark plug engineered for Suzuki RMZ250, RMX450Z, and RMZ450 fitments. The tapered ground electrode tip and copper core help support efficient combustion, while the iridium center electrode is selected for durable spark performance. This part cross-references Catco 4948 for the same application.\u003c\/p\u003e\u003cp\u003eFits 2018-2024 Suzuki RMZ250, N\/A. Fits 2018-2019 Suzuki RMX450Z, N\/A. Fits 2017 Suzuki RMX450Z, N\/A. Fits 2010 Suzuki RMX450Z, N\/A. Fits 2013-2017 Suzuki RMZ250, N\/A. Fits 2005-2007 Suzuki RMZ450, N\/A.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring reliable spark output in ignition service.\u003c\/li\u003e\n\u003cli\u003eAddressing misfire concerns caused by worn plugs.\u003c\/li\u003e\n\u003cli\u003eReplacing plugs with excessive electrode wear or fouling.\u003c\/li\u003e\n\u003cli\u003eMaintaining proper combustion in high-demand Suzuki applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the specified gap before installation and confirm the heat range matches the engine application. Use the correct socket size and torque procedure for the cylinder head material. Confirm the part number 4948 and CR8EIB-10 before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is a major OE supplier of spark plugs in North America and has more than 80 years of automotive manufacturing experience. Part number 4948 is produced to original equipment standards for durability and consistent operation.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725763993781,"sku":"BCDP-4948","price":17.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_4948_Fro.jpg?v=1794209660","url":"https:\/\/www.partcatalog.com\/products\/ngk-4948-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}