{"product_id":"acdelco-gm-original-equipment-copper-spark-plug-r43xls","title":"ACDelco GM Original Equipment Copper Spark Plug – R43XLS","description":"\u003cp data-start=\"149\" data-end=\"473\"\u003e\u003cstrong data-start=\"149\" data-end=\"165\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"165\" data-end=\"168\"\u003eThe ACDelco R43XLS GM Original Equipment Conventional Spark Plug is engineered and validated by General Motors to meet strict OE performance standards. Designed as a direct replacement for factory-installed components, this spark plug delivers reliable ignition performance and efficient engine operation.\u003c\/p\u003e\n\u003cp data-start=\"475\" data-end=\"775\"\u003eA copper core center electrode provides excellent heat transfer to help maintain proper operating temperatures and improve durability. The nickel alloy center electrode tip and nickel ground electrode support long-lasting performance, while the resistor design helps reduce electrical interference.\u003c\/p\u003e\n\u003cp data-start=\"777\" data-end=\"1076\"\u003eACDelco GM Original Equipment parts are the same components installed during vehicle production or validated by GM engineers, ensuring proper fit, function, and reliability for many Chevrolet, Buick, GMC, and Cadillac vehicles. These spark plugs may also be suitable for certain marine applications.\u003c\/p\u003e\n\u003cp data-start=\"1078\" data-end=\"1091\"\u003e\u003cstrong data-start=\"1078\" data-end=\"1091\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1093\" data-end=\"1489\"\u003e\n\u003cli data-section-id=\"1qtyp6o\" data-start=\"1093\" data-end=\"1172\"\u003e\n\u003cp data-start=\"1095\" data-end=\"1172\"\u003eGM Original Equipment spark plug engineered and validated by General Motors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4unqv3\" data-start=\"1173\" data-end=\"1248\"\u003e\n\u003cp data-start=\"1175\" data-end=\"1248\"\u003eCopper core center electrode for efficient heat transfer and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1k4apoi\" data-start=\"1249\" data-end=\"1320\"\u003e\n\u003cp data-start=\"1251\" data-end=\"1320\"\u003eNickel alloy electrode tip supports consistent ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19dasu1\" data-start=\"1321\" data-end=\"1377\"\u003e\n\u003cp data-start=\"1323\" data-end=\"1377\"\u003eResistor design helps reduce electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zut490\" data-start=\"1378\" data-end=\"1443\"\u003e\n\u003cp data-start=\"1380\" data-end=\"1443\"\u003eDesigned for reliable ignition and efficient engine operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9sfv8n\" data-start=\"1444\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1446\" data-end=\"1489\"\u003eOE-style replacement for many GM vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1491\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1491\" data-end=\"1518\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1520\" data-end=\"2013\"\u003e\n\u003cli data-section-id=\"1ynxwqc\" data-start=\"1520\" data-end=\"1543\"\u003e\n\u003cp data-start=\"1522\" data-end=\"1543\"\u003ePart number: R43XLS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rbrkr1\" data-start=\"1544\" data-end=\"1591\"\u003e\n\u003cp data-start=\"1546\" data-end=\"1591\"\u003eProduct line: ACDelco GM Original Equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1592\" data-end=\"1634\"\u003e\n\u003cp data-start=\"1594\" data-end=\"1634\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"paz3t5\" data-start=\"1635\" data-end=\"1682\"\u003e\n\u003cp data-start=\"1637\" data-end=\"1682\"\u003eCenter electrode tip material: Nickel alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3au8g6\" data-start=\"1683\" data-end=\"1725\"\u003e\n\u003cp data-start=\"1685\" data-end=\"1725\"\u003eGround electrode core material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1726\" data-end=\"1758\"\u003e\n\u003cp data-start=\"1728\" data-end=\"1758\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cdddk6\" data-start=\"1759\" data-end=\"1795\"\u003e\n\u003cp data-start=\"1761\" data-end=\"1795\"\u003eThread diameter: 14 mm (0.55 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"alvkqu\" data-start=\"1796\" data-end=\"1817\"\u003e\n\u003cp data-start=\"1798\" data-end=\"1817\"\u003eSeat type: Gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zv682e\" data-start=\"1818\" data-end=\"1847\"\u003e\n\u003cp data-start=\"1820\" data-end=\"1847\"\u003eReach: 0.75 in (19.05 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hsl4nj\" data-start=\"1848\" data-end=\"1870\"\u003e\n\u003cp data-start=\"1850\" data-end=\"1870\"\u003eHex size: 13\/16 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1871\" data-end=\"1893\"\u003e\n\u003cp data-start=\"1873\" data-end=\"1893\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lnft6o\" data-start=\"1894\" data-end=\"1929\"\u003e\n\u003cp data-start=\"1896\" data-end=\"1929\"\u003ePre-gap size: 0.03 in (0.86 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h5ggh\" data-start=\"1930\" data-end=\"1960\"\u003e\n\u003cp data-start=\"1932\" data-end=\"1960\"\u003eManufacturer heat range: 3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xksodj\" data-start=\"1961\" data-end=\"1984\"\u003e\n\u003cp data-start=\"1963\" data-end=\"1984\"\u003ePackage quantity: 4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":46272010256583,"sku":"ELE1854","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-09165617.png?v=1773100448","url":"https:\/\/mainstreeteshop.com\/products\/acdelco-gm-original-equipment-copper-spark-plug-r43xls","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}