{"product_id":"a-b1591868-ai-plug-spark","title":"A-B1591868-AI PLUG-SPARK","description":"\u003ch3\u003eOne New Aftermarket Replacement Spark Plug Fits Briggs \u0026amp; Fits Stratton Small Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement spark plug (Fits Briggs \u0026amp; Fits Stratton part number 591868, Fits Champion type RJ19LMC) is a direct-fit ignition component Fits Briggs \u0026amp; Fits Stratton (B\u0026amp;S) Quantum series small gasoline engines. It ignites the air-fuel mixture in the combustion chamber, providing reliable starting and consistent engine performance in lawn mowers and other outdoor power equipment. Supersedes old Fits Briggs \u0026amp; Fits Stratton part number 799876.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e  \u003cli\u003eSpark Plug Type: RJ19LMC (Fits Champion cross-reference)\u003c\/li\u003e  \u003cli\u003eThread Diameter: 14mm\u003c\/li\u003e  \u003cli\u003eThread Reach: 9.5mm\u003c\/li\u003e  \u003cli\u003eSeat Type: Flat\u003c\/li\u003e  \u003cli\u003eHex Size: 21mm\u003c\/li\u003e  \u003cli\u003eGap (Phase 3 engines, date code after 110630xx): 0.020 in.\u003c\/li\u003e  \u003cli\u003eGap (Phase 1 \/ Phase 2 engines, date code before 110630xx): 0.030 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Briggs \u0026amp; Fits Stratton Quantum Series Engines:\u003c\/strong\u003e 625, 675EX, 725EX\u003c\/p\u003e\u003cp\u003eFits walk-behind lawn mowers, pressure washers, and other outdoor power equipment equipped with Fits Briggs \u0026amp; Fits Stratton Quantum 4-stroke gasoline engines. Always verify your engine model, type, and code numbers before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eB1591868-AI, 591868, 799876\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eFits Champion RJ19LMC; Fits NGK BR2LM; Fits Denso W14MRU\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":40534964437075,"sku":"A-B1591868-AI","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_6d1ad192-b90b-47e8-b6b7-56984e2684fe.jpg?v=1757715251","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-b1591868-ai-plug-spark","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}