{"product_id":"autolite-4054-spark-plug","title":"Autolite 4054 Spark Plug","description":"\u003ch2\u003eAutolite 4054 Copper Spark Plug\u003c\/h2\u003e\u003cp\u003eAutolite 4054 is a copper non-resistor spark plug built for quick starts, smooth acceleration, and improved fuel economy. It uses OE-style form, fit, and function, making it a direct replacement choice for a wide range of motorcycles, snowmobiles, and powersports applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCopper center electrode for reliable ignition performance\u003c\/li\u003e\n\u003cli\u003eNon-resistor design for applications that call for a resistor-free plug\u003c\/li\u003e\n\u003cli\u003eTapered ground electrode tip for consistent spark exposure\u003c\/li\u003e\n\u003cli\u003eFlat seat, 14 mm thread diameter, and 0.750 in. reach\u003c\/li\u003e\n\u003cli\u003ePre-gapped to 0.030 in. \/ 0.80 mm for many listed applications\u003c\/li\u003e\n\u003cli\u003eRemovable nut terminal for flexible connection styles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Autolite 4054 spark plug is engineered with a copper center electrode, nickel ground electrode, and ceramic insulator to support dependable combustion in older and performance-oriented engines. Its standard regular electrode design and flat seat match the dimensions called for in many fitments, including KTM 250 XC, KTM 300 XC-W, and Honda FL400R Pilot applications. This part number 4054 is also listed for a broad range of Kawasaki, Suzuki, Yamaha, Polaris, and Ski-Doo models where the specified gap and thread dimensions align.\u003c\/p\u003e\u003cp\u003eAutolite positions the Copper Non-Resistor Spark Plug line as an OE-style replacement option for foreign and domestic vehicles, and this plug follows that approach with a conventional copper-core construction. Part number 4054 is cross-referenced to Champion Spark Plug 821 and Standard Ignition 7701 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard starting caused by worn or fouled spark plugs\u003c\/li\u003e\n\u003cli\u003eRough idle from weak or inconsistent spark delivery\u003c\/li\u003e\n\u003cli\u003eLoss of throttle response during acceleration\u003c\/li\u003e\n\u003cli\u003eReduced combustion efficiency from incorrect plug gap or worn electrodes\u003c\/li\u003e\n\u003cli\u003eMisfire concerns in engines specified for a non-resistor copper plug\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify thread diameter, reach, seat type, and gap before installation. The listed fitments include multiple gap specifications, so confirm the engine’s required setting against the vehicle service information before use. Install to the manufacturer’s torque specification and inspect the plug wire or cap connection when replacing the spark plug. Fits 2012-2018 KTM 250 XC, 2006-2018 KTM 250 XC-W, 2012-2018 KTM 300 XC, 2014-2018 KTM 300 XC-W, 2011-2013 Husaberg TE250, 2011-2013 Husaberg TE300, 2001-2004 Suzuki JR80, and other listed applications exactly as cataloged. Fits 1981-1986 Honda ATC250R, 1977-1984 Honda FL250 Odyssey, and 1989-1990 Honda FL400R Pilot where the specified plug dimensions match.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eAutolite supplies ignition products to the automotive aftermarket and original equipment manufacturers, and this spark plug is built to OE form, fit, and function standards for the listed applications.\u003c\/p\u003e","brand":"Autolite","offers":[{"title":"Default Title","offer_id":53657694699701,"sku":"BBRQ-4054","price":9.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AB_4054_Fro.jpg?v=1793601134","url":"https:\/\/www.partcatalog.com\/products\/autolite-4054-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}