{"product_id":"autolite-copper-spark-plug-2974","title":"Autolite Copper Spark Plug – 2974","description":"\u003cp data-start=\"112\" data-end=\"417\"\u003e\u003cstrong data-start=\"112\" data-end=\"128\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"128\" data-end=\"131\"\u003eThe Autolite 2974 Copper Spark Plug is engineered to deliver dependable ignition performance, quick starts, and consistent engine power. Its copper core center electrode promotes excellent heat transfer, helping maintain proper operating temperatures while reducing the risk of fouling.\u003c\/p\u003e\n\u003cp data-start=\"419\" data-end=\"795\"\u003eHigh nickel alloy center and ground electrodes enhance durability and extend the life of the spark plug. The multi-rib high alumina ceramic insulator improves electrical insulation and heat dissipation, supporting stable performance in demanding engine conditions. A corrosion-resistant nickel-plated shell protects against rust and wear, helping ensure long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"974\"\u003eAutolite copper spark plugs are designed to meet performance expectations for a wide range of gasoline engines, making them a trusted replacement choice for routine maintenance.\u003c\/p\u003e\n\u003cp data-start=\"976\" data-end=\"989\"\u003e\u003cstrong data-start=\"976\" data-end=\"989\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"991\" data-end=\"1373\"\u003e\n\u003cli data-section-id=\"50w2va\" data-start=\"991\" data-end=\"1069\"\u003e\n\u003cp data-start=\"993\" data-end=\"1069\"\u003eCopper core center electrode improves heat transfer and fouling resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1v6vy6m\" data-start=\"1070\" data-end=\"1151\"\u003e\n\u003cp data-start=\"1072\" data-end=\"1151\"\u003eHigh nickel alloy center and ground electrodes extend spark plug service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1whbnrz\" data-start=\"1152\" data-end=\"1229\"\u003e\n\u003cp data-start=\"1154\" data-end=\"1229\"\u003eMulti-rib ceramic insulator improves electrical insulation and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ighse4\" data-start=\"1230\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1232\" data-end=\"1307\"\u003eNickel-plated shell helps resist corrosion for longer-lasting performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"aqcqi8\" data-start=\"1308\" data-end=\"1373\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1373\"\u003eDesigned for quick starts and consistent ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1375\" data-end=\"1402\"\u003e\u003cstrong data-start=\"1375\" data-end=\"1402\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1404\" data-end=\"2157\"\u003e\n\u003cli data-section-id=\"c0l3n2\" data-start=\"1404\" data-end=\"1425\"\u003e\n\u003cp data-start=\"1406\" data-end=\"1425\"\u003ePart number: 2974\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1426\" data-end=\"1445\"\u003e\n\u003cp data-start=\"1428\" data-end=\"1445\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9pckcv\" data-start=\"1446\" data-end=\"1481\"\u003e\n\u003cp data-start=\"1448\" data-end=\"1481\"\u003eProduct type: Copper spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1482\" data-end=\"1524\"\u003e\n\u003cp data-start=\"1484\" data-end=\"1524\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13xlloe\" data-start=\"1525\" data-end=\"1566\"\u003e\n\u003cp data-start=\"1527\" data-end=\"1566\"\u003eCenter electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3au8g6\" data-start=\"1567\" data-end=\"1609\"\u003e\n\u003cp data-start=\"1569\" data-end=\"1609\"\u003eGround electrode core material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17jmp0w\" data-start=\"1610\" data-end=\"1651\"\u003e\n\u003cp data-start=\"1612\" data-end=\"1651\"\u003eGround electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x9kiqi\" data-start=\"1652\" data-end=\"1694\"\u003e\n\u003cp data-start=\"1654\" data-end=\"1694\"\u003eGround electrode configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1695\" data-end=\"1727\"\u003e\n\u003cp data-start=\"1697\" data-end=\"1727\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r5af6m\" data-start=\"1728\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1730\" data-end=\"1754\"\u003eThread diameter: 14 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9aw9i6\" data-start=\"1755\" data-end=\"1782\"\u003e\n\u003cp data-start=\"1757\" data-end=\"1782\"\u003eThread size: M14 × 1.25\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163h8t2\" data-start=\"1783\" data-end=\"1802\"\u003e\n\u003cp data-start=\"1785\" data-end=\"1802\"\u003eSeat type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f28dx\" data-start=\"1803\" data-end=\"1831\"\u003e\n\u003cp data-start=\"1805\" data-end=\"1831\"\u003eWasher type: Flat washer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gbvvjz\" data-start=\"1832\" data-end=\"1856\"\u003e\n\u003cp data-start=\"1834\" data-end=\"1856\"\u003eWasher included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vx1lxa\" data-start=\"1857\" data-end=\"1883\"\u003e\n\u003cp data-start=\"1859\" data-end=\"1883\"\u003eReach: 0.374 in (9 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"prjiy5\" data-start=\"1884\" data-end=\"1904\"\u003e\n\u003cp data-start=\"1886\" data-end=\"1904\"\u003eHex size: 3\/4 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jsvf8c\" data-start=\"1905\" data-end=\"1926\"\u003e\n\u003cp data-start=\"1907\" data-end=\"1926\"\u003eResistor type: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lbkpxm\" data-start=\"1927\" data-end=\"1948\"\u003e\n\u003cp data-start=\"1929\" data-end=\"1948\"\u003eResistance: 1 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e3s6de\" data-start=\"1949\" data-end=\"1980\"\u003e\n\u003cp data-start=\"1951\" data-end=\"1980\"\u003eManufacturer heat range: 11\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"1981\" data-end=\"2012\"\u003e\n\u003cp data-start=\"1983\" data-end=\"2012\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3c37w7\" data-start=\"2013\" data-end=\"2050\"\u003e\n\u003cp data-start=\"2015\" data-end=\"2050\"\u003eCenter electrode design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11yt6xq\" data-start=\"2051\" data-end=\"2098\"\u003e\n\u003cp data-start=\"2053\" data-end=\"2098\"\u003eCenter electrode projection: Mid projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fyseti\" data-start=\"2099\" data-end=\"2142\"\u003e\n\u003cp data-start=\"2101\" data-end=\"2142\"\u003eElectrical terminal type: Removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb0oei\" data-start=\"2143\" data-end=\"2157\"\u003e\n\u003cp data-start=\"2145\" data-end=\"2157\"\u003eSkirt: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46275576987847,"sku":"ELE1881","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10152103_d69b8f7a-68d7-4f3b-99a3-945d77fc0007.png?v=1773181770","url":"https:\/\/mainstreeteshop.com\/products\/autolite-copper-spark-plug-2974","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}