{"product_id":"champion-spark-plug-4401","title":"Champion Spark Plug 4401","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"94\" data-end=\"108\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"109\" data-end=\"387\"\u003eThe \u003cstrong data-start=\"113\" data-end=\"141\"\u003eChampion 4401 Spark Plug\u003c\/strong\u003e is designed to deliver reliable ignition performance and consistent engine operation. Built with a \u003cstrong data-start=\"241\" data-end=\"289\"\u003enickel center electrode and ground electrode\u003c\/strong\u003e, this spark plug provides dependable spark delivery and durability for standard ignition systems.\u003c\/p\u003e\n\u003cp data-start=\"389\" data-end=\"599\"\u003eIts \u003cstrong data-start=\"393\" data-end=\"423\"\u003eprojected electrode design\u003c\/strong\u003e helps improve combustion efficiency and ignition reliability, while the \u003cstrong data-start=\"496\" data-end=\"522\"\u003eresistor configuration\u003c\/strong\u003e helps reduce electrical interference and supports smooth engine performance.\u003c\/p\u003e\n\u003cp data-start=\"601\" data-end=\"955\"\u003eFeaturing a \u003cstrong data-start=\"613\" data-end=\"638\"\u003e14 mm thread diameter\u003c\/strong\u003e, \u003cstrong data-start=\"640\" data-end=\"664\"\u003e1.25 mm thread pitch\u003c\/strong\u003e, and \u003cstrong data-start=\"670\" data-end=\"696\"\u003e18 mm (0.709 in) reach\u003c\/strong\u003e, the Champion 4401 spark plug is engineered for proper fitment and secure installation in compatible engines. The \u003cstrong data-start=\"811\" data-end=\"834\"\u003etapered seat design\u003c\/strong\u003e ensures a tight seal, and the \u003cstrong data-start=\"865\" data-end=\"891\"\u003eremovable terminal nut\u003c\/strong\u003e allows compatibility with various ignition wire configurations.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"957\" data-end=\"968\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"969\" data-end=\"1340\"\u003e\n\u003cli data-section-id=\"tckbu4\" data-start=\"969\" data-end=\"1030\"\u003e\n\u003cp data-start=\"971\" data-end=\"1030\"\u003eNickel center electrode for reliable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"z5pt4y\" data-start=\"1031\" data-end=\"1096\"\u003e\n\u003cp data-start=\"1033\" data-end=\"1096\"\u003eProjected electrode design for improved combustion efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19dasu1\" data-start=\"1097\" data-end=\"1153\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1153\"\u003eResistor design helps reduce electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"d0unf6\" data-start=\"1154\" data-end=\"1213\"\u003e\n\u003cp data-start=\"1156\" data-end=\"1213\"\u003eTapered seat for secure sealing and proper installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1a982ye\" data-start=\"1214\" data-end=\"1281\"\u003e\n\u003cp data-start=\"1216\" data-end=\"1281\"\u003eRemovable terminal nut for flexible ignition wire compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"h2hmw5\" data-start=\"1282\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1284\" data-end=\"1340\"\u003eDurable construction for dependable engine performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1342\" data-end=\"1359\"\u003eSpecifications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"77y1qw\" data-start=\"1361\" data-end=\"1370\"\u003eShell\u003c\/h3\u003e\n\u003cul data-start=\"1371\" data-end=\"1536\"\u003e\n\u003cli data-section-id=\"132rwse\" data-start=\"1371\" data-end=\"1397\"\u003e\n\u003cp data-start=\"1373\" data-end=\"1397\"\u003eThread Diameter: 14 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nfzpya\" data-start=\"1398\" data-end=\"1423\"\u003e\n\u003cp data-start=\"1400\" data-end=\"1423\"\u003eThread Pitch: 1.25 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sl50u2\" data-start=\"1424\" data-end=\"1446\"\u003e\n\u003cp data-start=\"1426\" data-end=\"1446\"\u003eSeat Type: Tapered\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k6wxcw\" data-start=\"1447\" data-end=\"1474\"\u003e\n\u003cp data-start=\"1449\" data-end=\"1474\"\u003eReach: 18 mm (0.709 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dbnukh\" data-start=\"1475\" data-end=\"1503\"\u003e\n\u003cp data-start=\"1477\" data-end=\"1503\"\u003eHex Size: 5\/8 in (16 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17mf8fc\" data-start=\"1504\" data-end=\"1536\"\u003e\n\u003cp data-start=\"1506\" data-end=\"1536\"\u003eTerminal Type: Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"172vnfu\" data-start=\"1538\" data-end=\"1558\"\u003eCenter Electrode\u003c\/h3\u003e\n\u003cul data-start=\"1559\" data-end=\"1641\"\u003e\n\u003cli data-section-id=\"1b75xj3\" data-start=\"1559\" data-end=\"1579\"\u003e\n\u003cp data-start=\"1561\" data-end=\"1579\"\u003eMaterial: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dzmbch\" data-start=\"1580\" data-end=\"1598\"\u003e\n\u003cp data-start=\"1582\" data-end=\"1598\"\u003eType: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19fsrni\" data-start=\"1599\" data-end=\"1615\"\u003e\n\u003cp data-start=\"1601\" data-end=\"1615\"\u003eSize: 2.5 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rv1huj\" data-start=\"1616\" data-end=\"1641\"\u003e\n\u003cp data-start=\"1618\" data-end=\"1641\"\u003eProjection: Projected\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"pqcuzo\" data-start=\"1643\" data-end=\"1663\"\u003eGround Electrode\u003c\/h3\u003e\n\u003cul data-start=\"1664\" data-end=\"1719\"\u003e\n\u003cli data-section-id=\"1b75xj3\" data-start=\"1664\" data-end=\"1684\"\u003e\n\u003cp data-start=\"1666\" data-end=\"1684\"\u003eMaterial: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dzmbch\" data-start=\"1685\" data-end=\"1703\"\u003e\n\u003cp data-start=\"1687\" data-end=\"1703\"\u003eType: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fgxjmg\" data-start=\"1704\" data-end=\"1719\"\u003e\n\u003cp data-start=\"1706\" data-end=\"1719\"\u003eQuantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"17flaup\" data-start=\"1721\" data-end=\"1750\"\u003eAdditional Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1751\" data-end=\"1768\"\u003e\n\u003cli data-section-id=\"1k8b2y2\" data-start=\"1751\" data-end=\"1768\"\u003e\n\u003cp data-start=\"1753\" data-end=\"1768\"\u003eResistor: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"vlgg1s\" data-start=\"1770\" data-end=\"1795\"\u003eTorque Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1796\" data-end=\"1874\"\u003e\n\u003cli data-section-id=\"hmeoae\" data-start=\"1796\" data-end=\"1835\"\u003e\n\u003cp data-start=\"1798\" data-end=\"1835\"\u003eCast Iron Cylinder Head: 7–15 lb-ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9ui3er\" data-start=\"1836\" data-end=\"1874\"\u003e\n\u003cp data-start=\"1838\" data-end=\"1874\"\u003eAluminum Cylinder Head: 7–15 lb-ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46285722321095,"sku":"ELE1982","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12144736_d87ce370-d286-4145-b09a-00de6f4d2b84.png?v=1773352208","url":"https:\/\/mainstreeteshop.com\/products\/champion-spark-plug-4401","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}