{"product_id":"spark-plug-415-rn9yc-champion-415","title":"Spark Plug # 415\/RN9YC | Champion 415","description":"\u003ch2\u003eSpark Plug # 415\/RN9YC | Champion 415\u003c\/h2\u003e\n\u003cp\u003eSpark Plug # 415\/RN9YC | Champion 415\u003c\/p\u003e\n\u003cp\u003eKeep your outboard motor and small engine running at peak performance with these premium copper spark plugs. Built as OEM replacements, they deliver the reliable ignition your equipment demands for consistent, dependable operation day after day.\u003c\/p\u003e\n\u003cul style=\"box-sizing: border-box; margin-top: 0px; margin-bottom: 2.5rem; color: #333333; font-family: Helvetica,;\"\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eChampion Copper Plus premium spark plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eReplaces the following OEM part numbers: Chrysler 2098379K; Westerbeke 35666 and 38568; NGK BPR6ES and BPR6EFS; Mercury 33-8134711 and 33-816336Q; Volvo 3851868; Autolite 4263; Torch F6RTC; Champion FF-22 and E3.22\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eStandard nickel center electrode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eMet ISO and SAE manufacturing standards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eThread Size: 0.551 inches (14mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eReach: 0.75 inches (19mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eHex Size: 0.813 inches (20.65mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eGap: 0.032 inches (0.82 mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eResistor: Yes (5k ohm)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003eFlat gasket seal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cspan\u003eManufacturer’s warranty: two years or recommended change interval\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eAdditional Information\u003c\/h5\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp\u003eThe Champion RN9YC Copper Plus represents decades of proven engineering excellence across marine, powersports, and small engine applications. Its nickel-copper alloy center electrode and optimized ground electrode geometry deliver superior thermal management and conductivity, enabling reliable performance across extended operating ranges. The integrated ceramic resistor effectively suppresses EMI in modern electronics-equipped vessels. Specified as original equipment by Volvo Penta, MerCruiser, OMC, Westerbeke, and Gray Marine, this plug combines anti-fouling properties with corrosion resistance for consistent ignition and stable idle characteristics. A precision-engineered solution for demanding marine environments.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":51518771953984,"sku":"CHAMPION-415","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2712\/8720\/files\/Spark-Plug-415RN9YC-Champion-415.jpg?v=1776980526","url":"https:\/\/www.macombmarineparts.com\/products\/spark-plug-415-rn9yc-champion-415","provider":"MacombMarineParts.com","version":"1.0","type":"link"}