{"product_id":"autolite-copper-spark-plug-103","title":"Autolite Copper Spark Plug – 103","description":"\u003cp data-start=\"111\" data-end=\"439\"\u003e\u003cstrong data-start=\"111\" data-end=\"127\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"127\" data-end=\"130\"\u003eThe Autolite 103 Copper Spark Plug is engineered to deliver reliable ignition performance, quick starts, and consistent engine power. Designed with a copper core center electrode, this spark plug improves thermal control and helps resist fouling, supporting smooth engine operation and dependable performance.\u003c\/p\u003e\n\u003cp data-start=\"441\" data-end=\"813\"\u003eA high nickel alloy center and ground electrode helps extend service life and maintain stable spark delivery. The multi-rib high alumina ceramic insulator provides strong electrical insulation and efficient heat dissipation for improved durability. A nickel-plated shell helps resist corrosion, ensuring long-lasting reliability in a wide range of automotive applications.\u003c\/p\u003e\n\u003cp data-start=\"815\" data-end=\"935\"\u003eAutolite copper spark plugs are designed as dependable replacements that meet performance expectations for many engines.\u003c\/p\u003e\n\u003cp data-start=\"937\" data-end=\"950\"\u003e\u003cstrong data-start=\"937\" data-end=\"950\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"952\" data-end=\"1319\"\u003e\n\u003cli data-section-id=\"18twvrt\" data-start=\"952\" data-end=\"1027\"\u003e\n\u003cp data-start=\"954\" data-end=\"1027\"\u003eCopper core center electrode improves heat transfer and thermal control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"opmvoq\" data-start=\"1028\" data-end=\"1103\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1103\"\u003eHigh nickel alloy center and ground electrodes help extend service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"145za3z\" data-start=\"1104\" data-end=\"1185\"\u003e\n\u003cp data-start=\"1106\" data-end=\"1185\"\u003eMulti-rib high alumina ceramic insulator for superior insulation and strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gn365x\" data-start=\"1186\" data-end=\"1255\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1255\"\u003eNickel-plated shell helps resist corrosion and improve durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u862yw\" data-start=\"1256\" data-end=\"1319\"\u003e\n\u003cp data-start=\"1258\" data-end=\"1319\"\u003eDesigned for quick starts and reliable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1321\" data-end=\"1348\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1348\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1350\" data-end=\"1912\"\u003e\n\u003cli data-section-id=\"qaax2s\" data-start=\"1350\" data-end=\"1370\"\u003e\n\u003cp data-start=\"1352\" data-end=\"1370\"\u003ePart number: 103\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1371\" data-end=\"1390\"\u003e\n\u003cp data-start=\"1373\" data-end=\"1390\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9pckcv\" data-start=\"1391\" data-end=\"1426\"\u003e\n\u003cp data-start=\"1393\" data-end=\"1426\"\u003eProduct type: Copper spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1427\" data-end=\"1469\"\u003e\n\u003cp data-start=\"1429\" data-end=\"1469\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13xlloe\" data-start=\"1470\" data-end=\"1511\"\u003e\n\u003cp data-start=\"1472\" data-end=\"1511\"\u003eCenter electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17jmp0w\" data-start=\"1512\" data-end=\"1553\"\u003e\n\u003cp data-start=\"1514\" data-end=\"1553\"\u003eGround electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1x9kiqi\" data-start=\"1554\" data-end=\"1596\"\u003e\n\u003cp data-start=\"1556\" data-end=\"1596\"\u003eGround electrode configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1597\" data-end=\"1629\"\u003e\n\u003cp data-start=\"1599\" data-end=\"1629\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vqolju\" data-start=\"1630\" data-end=\"1652\"\u003e\n\u003cp data-start=\"1632\" data-end=\"1652\"\u003eSeat type: Tapered\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j8lq4g\" data-start=\"1653\" data-end=\"1672\"\u003e\n\u003cp data-start=\"1655\" data-end=\"1672\"\u003eReach: 17.25 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5tphr9\" data-start=\"1673\" data-end=\"1692\"\u003e\n\u003cp data-start=\"1675\" data-end=\"1692\"\u003eHex size: 16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1693\" data-end=\"1715\"\u003e\n\u003cp data-start=\"1695\" data-end=\"1715\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gwnm18\" data-start=\"1716\" data-end=\"1741\"\u003e\n\u003cp data-start=\"1718\" data-end=\"1741\"\u003eResistance: 4000 ohms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10z8t69\" data-start=\"1742\" data-end=\"1767\"\u003e\n\u003cp data-start=\"1744\" data-end=\"1767\"\u003ePre-gap size: 1.27 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"1768\" data-end=\"1799\"\u003e\n\u003cp data-start=\"1770\" data-end=\"1799\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13qgjx1\" data-start=\"1800\" data-end=\"1840\"\u003e\n\u003cp data-start=\"1802\" data-end=\"1840\"\u003eElectrode projection: Mid projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"1841\" data-end=\"1888\"\u003e\n\u003cp data-start=\"1843\" data-end=\"1888\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rfiaup\" data-start=\"1889\" data-end=\"1912\"\u003e\n\u003cp data-start=\"1891\" data-end=\"1912\"\u003eWasher included: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46274473033927,"sku":"ELE1864","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10094842.png?v=1773161220","url":"https:\/\/mainstreeteshop.com\/products\/autolite-copper-spark-plug-103","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}