{"product_id":"autolite-copper-spark-plug-104","title":"Autolite Copper Spark Plug – 104","description":"\u003cp data-start=\"111\" data-end=\"442\"\u003e\u003cstrong data-start=\"111\" data-end=\"127\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"127\" data-end=\"130\"\u003eThe Autolite 104 Copper Spark Plug is designed to deliver dependable ignition performance, quick engine starts, and consistent power output. Featuring a copper core center electrode, this spark plug improves thermal control and helps resist fouling, supporting reliable combustion and efficient engine operation.\u003c\/p\u003e\n\u003cp data-start=\"444\" data-end=\"833\"\u003eHigh nickel alloy center and ground electrodes help extend service life and maintain consistent spark delivery. The high alumina multi-rib ceramic insulator provides excellent heat dissipation and electrical insulation for improved durability. A corrosion-resistant nickel-plated shell adds protection against rust and wear, helping ensure long-lasting performance in demanding conditions.\u003c\/p\u003e\n\u003cp data-start=\"835\" data-end=\"976\"\u003eAutolite copper spark plugs are engineered as reliable replacements for many automotive engines, helping maintain performance and efficiency.\u003c\/p\u003e\n\u003cp data-start=\"978\" data-end=\"991\"\u003e\u003cstrong data-start=\"978\" data-end=\"991\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"993\" data-end=\"1357\"\u003e\n\u003cli data-section-id=\"50w2va\" data-start=\"993\" data-end=\"1071\"\u003e\n\u003cp data-start=\"995\" data-end=\"1071\"\u003eCopper core center electrode improves heat transfer and fouling resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"38woe1\" data-start=\"1072\" data-end=\"1144\"\u003e\n\u003cp data-start=\"1074\" data-end=\"1144\"\u003eHigh nickel alloy center and ground electrodes help extend plug life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v61vt4\" data-start=\"1145\" data-end=\"1222\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1222\"\u003eMulti-rib high alumina ceramic insulator improves insulation and strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kvnor\" data-start=\"1223\" data-end=\"1293\"\u003e\n\u003cp data-start=\"1225\" data-end=\"1293\"\u003eNickel-plated shell helps resist corrosion and increase durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u862yw\" data-start=\"1294\" data-end=\"1357\"\u003e\n\u003cp data-start=\"1296\" data-end=\"1357\"\u003eDesigned for quick starts and reliable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1359\" data-end=\"1386\"\u003e\u003cstrong data-start=\"1359\" data-end=\"1386\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1388\" data-end=\"1981\"\u003e\n\u003cli data-section-id=\"qaaxv7\" data-start=\"1388\" data-end=\"1408\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1408\"\u003ePart number: 104\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1409\" data-end=\"1428\"\u003e\n\u003cp data-start=\"1411\" data-end=\"1428\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9pckcv\" data-start=\"1429\" data-end=\"1464\"\u003e\n\u003cp data-start=\"1431\" data-end=\"1464\"\u003eProduct type: Copper spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1465\" data-end=\"1507\"\u003e\n\u003cp data-start=\"1467\" data-end=\"1507\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13xlloe\" data-start=\"1508\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1510\" data-end=\"1549\"\u003eCenter electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17jmp0w\" data-start=\"1550\" data-end=\"1591\"\u003e\n\u003cp data-start=\"1552\" data-end=\"1591\"\u003eGround electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x9kiqi\" data-start=\"1592\" data-end=\"1634\"\u003e\n\u003cp data-start=\"1594\" data-end=\"1634\"\u003eGround electrode configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1635\" data-end=\"1667\"\u003e\n\u003cp data-start=\"1637\" data-end=\"1667\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vqolju\" data-start=\"1668\" data-end=\"1690\"\u003e\n\u003cp data-start=\"1670\" data-end=\"1690\"\u003eSeat type: Tapered\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j8lq4g\" data-start=\"1691\" data-end=\"1710\"\u003e\n\u003cp data-start=\"1693\" data-end=\"1710\"\u003eReach: 17.25 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5tphr9\" data-start=\"1711\" data-end=\"1730\"\u003e\n\u003cp data-start=\"1713\" data-end=\"1730\"\u003eHex size: 16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1731\" data-end=\"1753\"\u003e\n\u003cp data-start=\"1733\" data-end=\"1753\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pg2zbh\" data-start=\"1754\" data-end=\"1779\"\u003e\n\u003cp data-start=\"1756\" data-end=\"1779\"\u003eResistance: 5000 ohms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10z8t69\" data-start=\"1780\" data-end=\"1805\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1805\"\u003ePre-gap size: 1.27 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h5ouz\" data-start=\"1806\" data-end=\"1836\"\u003e\n\u003cp data-start=\"1808\" data-end=\"1836\"\u003eManufacturer heat range: 9\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"1837\" data-end=\"1868\"\u003e\n\u003cp data-start=\"1839\" data-end=\"1868\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13qgjx1\" data-start=\"1869\" data-end=\"1909\"\u003e\n\u003cp data-start=\"1871\" data-end=\"1909\"\u003eElectrode projection: Mid projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"1910\" data-end=\"1957\"\u003e\n\u003cp data-start=\"1912\" data-end=\"1957\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rfiaup\" data-start=\"1958\" data-end=\"1981\"\u003e\n\u003cp data-start=\"1960\" data-end=\"1981\"\u003eWasher included: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46274484666567,"sku":"ELE1865","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10095350.png?v=1773161552","url":"https:\/\/mainstreeteshop.com\/products\/autolite-copper-spark-plug-104","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}