{"product_id":"champion-spark-plug-843-1","title":"Champion Spark Plug 843-1","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"165\" data-end=\"179\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"180\" data-end=\"538\"\u003eThe Champion Spark Plug 843-1 (CJ8) is a dependable OE-type replacement spark plug designed for consistent ignition performance and long service life. Its copper core center electrode helps improve conductivity and heat control, supporting reliable starts, reduced fouling, and steady wear in compatible small engine and outdoor power equipment applications.\u003c\/p\u003e\n\u003cp data-start=\"540\" data-end=\"895\"\u003eBuilt to ISO and SAE standards, this Champion Copper Plus plug is designed for standard replacement use in small engine applications requiring a non-resistor plug. The flat-seat design, nickel electrode materials, non-removable nut terminal, and crush washer configuration help support dependable installation and reliable service in compatible equipment.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"897\" data-end=\"908\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"909\" data-end=\"1825\"\u003e\n\u003cli data-section-id=\"1quckws\" data-start=\"909\" data-end=\"941\"\u003eOE-type replacement spark plug\u003c\/li\u003e\n\u003cli data-section-id=\"vs70j5\" data-start=\"942\" data-end=\"992\"\u003eChampion Copper Plus Small Engine classification\u003c\/li\u003e\n\u003cli data-section-id=\"1dijuj2\" data-start=\"993\" data-end=\"1032\"\u003eDependable performance and durability\u003c\/li\u003e\n\u003cli data-section-id=\"thkgi2\" data-start=\"1033\" data-end=\"1106\"\u003eCopper core center electrode for improved conductivity and heat control\u003c\/li\u003e\n\u003cli data-section-id=\"o00f7l\" data-start=\"1107\" data-end=\"1124\"\u003eResists fouling\u003c\/li\u003e\n\u003cli data-section-id=\"16ob2li\" data-start=\"1125\" data-end=\"1156\"\u003eSuperior corrosion resistance\u003c\/li\u003e\n\u003cli data-section-id=\"s96d53\" data-start=\"1157\" data-end=\"1212\"\u003eBuilt to ISO and SAE standards for proven performance\u003c\/li\u003e\n\u003cli data-section-id=\"3wy9dh\" data-start=\"1213\" data-end=\"1229\"\u003ePlug type: CJ8\u003c\/li\u003e\n\u003cli data-section-id=\"xb6b9y\" data-start=\"1230\" data-end=\"1260\"\u003ePart description: Spark Plug\u003c\/li\u003e\n\u003cli data-section-id=\"163vcd6\" data-start=\"1261\" data-end=\"1295\"\u003eGrade type: Standard Replacement\u003c\/li\u003e\n\u003cli data-section-id=\"16ozvjy\" data-start=\"1296\" data-end=\"1335\"\u003eCenter electrode tip material: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"11ohpz\" data-start=\"1336\" data-end=\"1371\"\u003eCenter electrode design: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"8vikuy\" data-start=\"1372\" data-end=\"1402\"\u003eGround electrode quantity: 1\u003c\/li\u003e\n\u003cli data-section-id=\"14ckzzk\" data-start=\"1403\" data-end=\"1442\"\u003eGround electrode tip material: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"ejqpja\" data-start=\"1443\" data-end=\"1483\"\u003eGround electrode core material: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"w3m2pr\" data-start=\"1484\" data-end=\"1519\"\u003ePre-gap size: 0.030 in. \/ 0.76 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1o3ebmf\" data-start=\"1520\" data-end=\"1553\"\u003eHex size: 0.748 in. \/ 19.000 mm\u003c\/li\u003e\n\u003cli data-section-id=\"177wcre\" data-start=\"1554\" data-end=\"1582\"\u003eManufacturer heat range: 8\u003c\/li\u003e\n\u003cli data-section-id=\"1x8r8ly\" data-start=\"1583\" data-end=\"1600\"\u003eSeat type: Flat\u003c\/li\u003e\n\u003cli data-section-id=\"ecvpvt\" data-start=\"1601\" data-end=\"1619\"\u003eReach: 0.375 in.\u003c\/li\u003e\n\u003cli data-section-id=\"1i3wk4p\" data-start=\"1620\" data-end=\"1660\"\u003eThread diameter: 0.551 in. \/ 14.000 mm\u003c\/li\u003e\n\u003cli data-section-id=\"b8j6jg\" data-start=\"1661\" data-end=\"1680\"\u003eResistor type: No\u003c\/li\u003e\n\u003cli data-section-id=\"gf1gsk\" data-start=\"1681\" data-end=\"1726\"\u003eElectrical terminal type: Non-Removable Nut\u003c\/li\u003e\n\u003cli data-section-id=\"hptr62\" data-start=\"1727\" data-end=\"1742\"\u003eHex type: Hex\u003c\/li\u003e\n\u003cli data-section-id=\"1p3ku4f\" data-start=\"1743\" data-end=\"1765\"\u003eWasher included: Yes\u003c\/li\u003e\n\u003cli data-section-id=\"juu2gf\" data-start=\"1766\" data-end=\"1786\"\u003eWasher type: Crush\u003c\/li\u003e\n\u003cli data-section-id=\"1ncfcr0\" data-start=\"1787\" data-end=\"1800\"\u003eIndexed: No\u003c\/li\u003e\n\u003cli data-section-id=\"15l95ca\" data-start=\"1801\" data-end=\"1825\"\u003eSubject to Prop 65: No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46421369323719,"sku":"ELE2035","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-04-16115922.png?v=1776365996","url":"https:\/\/mainstreeteshop.com\/products\/champion-spark-plug-843-1","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}