{"product_id":"acdelco-professional-copper-spark-plug-r46sz","title":"ACDelco Professional Copper Spark Plug – R46SZ","description":"\u003cp data-start=\"137\" data-end=\"458\"\u003e\u003cstrong data-start=\"137\" data-end=\"153\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"153\" data-end=\"156\"\u003eThe ACDelco R46SZ Professional Conventional Spark Plug is designed to deliver reliable ignition performance and efficient engine operation. Built with a copper core center electrode, this spark plug provides excellent heat transfer to help maintain proper operating temperatures and improve durability.\u003c\/p\u003e\n\u003cp data-start=\"460\" data-end=\"745\"\u003eA Black Onyx coating helps protect against corrosion, while the ribbed suppressor seal helps reduce the risk of spark flashover and misfires. Nickel-chrome alloy sheathing helps protect the center electrode from corrosion and wear, supporting consistent ignition performance over time.\u003c\/p\u003e\n\u003cp data-start=\"747\" data-end=\"975\"\u003eACDelco Professional spark plugs are premium aftermarket replacements engineered to meet expectations for fit, form, and function. They are suitable for many automotive applications and can also be used in select marine engines.\u003c\/p\u003e\n\u003cp data-start=\"977\" data-end=\"990\"\u003e\u003cstrong data-start=\"977\" data-end=\"990\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"992\" data-end=\"1381\"\u003e\n\u003cli data-section-id=\"1ks2lys\" data-start=\"992\" data-end=\"1062\"\u003e\n\u003cp data-start=\"994\" data-end=\"1062\"\u003eCopper core center electrode improves heat transfer and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vk1c98\" data-start=\"1063\" data-end=\"1108\"\u003e\n\u003cp data-start=\"1065\" data-end=\"1108\"\u003eBlack Onyx coating helps reduce corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13sra57\" data-start=\"1109\" data-end=\"1178\"\u003e\n\u003cp data-start=\"1111\" data-end=\"1178\"\u003eRibbed suppressor seal helps prevent spark flashover and misfires\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jzm6s5\" data-start=\"1179\" data-end=\"1247\"\u003e\n\u003cp data-start=\"1181\" data-end=\"1247\"\u003eNickel-chrome alloy sheathing helps protect the center electrode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19dasu1\" data-start=\"1248\" data-end=\"1304\"\u003e\n\u003cp data-start=\"1250\" data-end=\"1304\"\u003eResistor design helps reduce electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vy1thd\" data-start=\"1305\" data-end=\"1381\"\u003e\n\u003cp data-start=\"1307\" data-end=\"1381\"\u003eReliable replacement spark plug for automotive and select marine engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1383\" data-end=\"1410\"\u003e\u003cstrong data-start=\"1383\" data-end=\"1410\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1412\" data-end=\"1987\"\u003e\n\u003cli data-section-id=\"cyh37j\" data-start=\"1412\" data-end=\"1434\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1434\"\u003ePart number: R46SZ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cbl41r\" data-start=\"1435\" data-end=\"1473\"\u003e\n\u003cp data-start=\"1437\" data-end=\"1473\"\u003eProduct line: ACDelco Professional\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1474\" data-end=\"1516\"\u003e\n\u003cp data-start=\"1476\" data-end=\"1516\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"paz3t5\" data-start=\"1517\" data-end=\"1564\"\u003e\n\u003cp data-start=\"1519\" data-end=\"1564\"\u003eCenter electrode tip material: Nickel alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t9w8zf\" data-start=\"1565\" data-end=\"1609\"\u003e\n\u003cp data-start=\"1567\" data-end=\"1609\"\u003eGround electrode configuration: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1610\" data-end=\"1642\"\u003e\n\u003cp data-start=\"1612\" data-end=\"1642\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g10yc7\" data-start=\"1643\" data-end=\"1680\"\u003e\n\u003cp data-start=\"1645\" data-end=\"1680\"\u003eThread diameter: 14 mm (0.551 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"alvkqu\" data-start=\"1681\" data-end=\"1702\"\u003e\n\u003cp data-start=\"1683\" data-end=\"1702\"\u003eSeat type: Gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18hdpia\" data-start=\"1703\" data-end=\"1731\"\u003e\n\u003cp data-start=\"1705\" data-end=\"1731\"\u003eReach: 0.372 in (9.4 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hsl4nj\" data-start=\"1732\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1734\" data-end=\"1754\"\u003eHex size: 13\/16 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1755\" data-end=\"1777\"\u003e\n\u003cp data-start=\"1757\" data-end=\"1777\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cc54tb\" data-start=\"1778\" data-end=\"1817\"\u003e\n\u003cp data-start=\"1780\" data-end=\"1817\"\u003eApproximate resistor value: 2–20 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c6ryi5\" data-start=\"1818\" data-end=\"1853\"\u003e\n\u003cp data-start=\"1820\" data-end=\"1853\"\u003ePre-gap size: 0.06 in (1.52 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h5klw\" data-start=\"1854\" data-end=\"1884\"\u003e\n\u003cp data-start=\"1856\" data-end=\"1884\"\u003eManufacturer heat range: 6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17wcqlo\" data-start=\"1885\" data-end=\"1926\"\u003e\n\u003cp data-start=\"1887\" data-end=\"1926\"\u003eInsulator height: 2.479 in (62.97 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xksijm\" data-start=\"1927\" data-end=\"1950\"\u003e\n\u003cp data-start=\"1929\" data-end=\"1950\"\u003ePackage quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rrqp50\" data-start=\"1951\" data-end=\"1987\"\u003e\n\u003cp data-start=\"1953\" data-end=\"1987\"\u003eCountry of origin: United States\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":46274347008199,"sku":"ELE1863","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10091021.png?v=1773158902","url":"https:\/\/mainstreeteshop.com\/products\/acdelco-professional-copper-spark-plug-r46sz","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}