{"product_id":"autolite-copper-spark-plug-3924","title":"Autolite Copper Spark Plug – 3924","description":"\u003cp data-start=\"112\" data-end=\"426\"\u003e\u003cstrong data-start=\"112\" data-end=\"128\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"128\" data-end=\"131\"\u003eThe Autolite 3924 Copper Spark Plug is engineered to deliver reliable ignition performance, quick starts, and consistent engine power. Featuring a copper core center electrode, this spark plug improves thermal conductivity to help maintain optimal operating temperatures while resisting fouling.\u003c\/p\u003e\n\u003cp data-start=\"428\" data-end=\"822\"\u003eDurable high nickel alloy center and ground electrodes provide extended service life and stable spark delivery. The multi-rib high alumina ceramic insulator enhances electrical insulation and heat dissipation, helping maintain dependable performance under demanding engine conditions. A corrosion-resistant nickel-plated shell further protects against rust and wear for long-lasting durability.\u003c\/p\u003e\n\u003cp data-start=\"824\" data-end=\"983\"\u003eAutolite copper spark plugs are designed as dependable replacements for many gasoline engines, helping ensure efficient combustion and smooth engine operation.\u003c\/p\u003e\n\u003cp data-start=\"985\" data-end=\"998\"\u003e\u003cstrong data-start=\"985\" data-end=\"998\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1000\" data-end=\"1372\"\u003e\n\u003cli data-section-id=\"50w2va\" data-start=\"1000\" data-end=\"1078\"\u003e\n\u003cp data-start=\"1002\" data-end=\"1078\"\u003eCopper core center electrode improves heat transfer and fouling resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13rtlpe\" data-start=\"1079\" data-end=\"1157\"\u003e\n\u003cp data-start=\"1081\" data-end=\"1157\"\u003eHigh nickel alloy center and ground electrodes help extend spark plug life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1whbnrz\" data-start=\"1158\" data-end=\"1235\"\u003e\n\u003cp data-start=\"1160\" data-end=\"1235\"\u003eMulti-rib ceramic insulator improves electrical insulation and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mw1n5\" data-start=\"1236\" data-end=\"1308\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1308\"\u003eNickel-plated shell helps resist corrosion and increase service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u862yw\" data-start=\"1309\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1311\" data-end=\"1372\"\u003eDesigned for quick starts and reliable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1374\" data-end=\"1401\"\u003e\u003cstrong data-start=\"1374\" data-end=\"1401\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1403\" data-end=\"2161\"\u003e\n\u003cli data-section-id=\"dvrii2\" data-start=\"1403\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1405\" data-end=\"1424\"\u003ePart number: 3924\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1425\" data-end=\"1444\"\u003e\n\u003cp data-start=\"1427\" data-end=\"1444\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9pckcv\" data-start=\"1445\" data-end=\"1480\"\u003e\n\u003cp data-start=\"1447\" data-end=\"1480\"\u003eProduct type: Copper spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1481\" data-end=\"1523\"\u003e\n\u003cp data-start=\"1483\" data-end=\"1523\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13xlloe\" data-start=\"1524\" data-end=\"1565\"\u003e\n\u003cp data-start=\"1526\" data-end=\"1565\"\u003eCenter electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3au8g6\" data-start=\"1566\" data-end=\"1608\"\u003e\n\u003cp data-start=\"1568\" data-end=\"1608\"\u003eGround electrode core material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17jmp0w\" data-start=\"1609\" data-end=\"1650\"\u003e\n\u003cp data-start=\"1611\" data-end=\"1650\"\u003eGround electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x9kiqi\" data-start=\"1651\" data-end=\"1693\"\u003e\n\u003cp data-start=\"1653\" data-end=\"1693\"\u003eGround electrode configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1694\" data-end=\"1726\"\u003e\n\u003cp data-start=\"1696\" data-end=\"1726\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163h8t2\" data-start=\"1727\" data-end=\"1746\"\u003e\n\u003cp data-start=\"1729\" data-end=\"1746\"\u003eSeat type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gbvvjz\" data-start=\"1747\" data-end=\"1771\"\u003e\n\u003cp data-start=\"1749\" data-end=\"1771\"\u003eWasher included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"palr3o\" data-start=\"1772\" data-end=\"1790\"\u003e\n\u003cp data-start=\"1774\" data-end=\"1790\"\u003eReach: 0.75 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5tphr9\" data-start=\"1791\" data-end=\"1810\"\u003e\n\u003cp data-start=\"1793\" data-end=\"1810\"\u003eHex size: 16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1811\" data-end=\"1833\"\u003e\n\u003cp data-start=\"1813\" data-end=\"1833\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gwnm18\" data-start=\"1834\" data-end=\"1859\"\u003e\n\u003cp data-start=\"1836\" data-end=\"1859\"\u003eResistance: 4000 ohms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17c2gol\" data-start=\"1860\" data-end=\"1887\"\u003e\n\u003cp data-start=\"1862\" data-end=\"1887\"\u003ePre-gap size: 1.1176 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h5ouz\" data-start=\"1888\" data-end=\"1918\"\u003e\n\u003cp data-start=\"1890\" data-end=\"1918\"\u003eManufacturer heat range: 9\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"1919\" data-end=\"1950\"\u003e\n\u003cp data-start=\"1921\" data-end=\"1950\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3c37w7\" data-start=\"1951\" data-end=\"1988\"\u003e\n\u003cp data-start=\"1953\" data-end=\"1988\"\u003eCenter electrode design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11yt6xq\" data-start=\"1989\" data-end=\"2036\"\u003e\n\u003cp data-start=\"1991\" data-end=\"2036\"\u003eCenter electrode projection: Mid projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t3ibti\" data-start=\"2037\" data-end=\"2098\"\u003e\n\u003cp data-start=\"2039\" data-end=\"2098\"\u003eCenter electrode insulator tip projection: Mid projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"2099\" data-end=\"2146\"\u003e\n\u003cp data-start=\"2101\" data-end=\"2146\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb0oei\" data-start=\"2147\" data-end=\"2161\"\u003e\n\u003cp data-start=\"2149\" data-end=\"2161\"\u003eSkirt: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46275617816775,"sku":"ELE1886","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10152103_83f81182-1686-41cf-a553-4af5bca60f9a.png?v=1773182716","url":"https:\/\/mainstreeteshop.com\/products\/autolite-copper-spark-plug-3924","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}