{"product_id":"acdelco-professional-copper-spark-plug-r45xls","title":"ACDelco Professional Copper Spark Plug – R45XLS","description":"\u003cp data-start=\"138\" data-end=\"458\"\u003e\u003cstrong data-start=\"138\" data-end=\"154\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"154\" data-end=\"157\"\u003eThe ACDelco R45XLS Professional Conventional Spark Plug is designed to provide reliable ignition performance and efficient engine operation. Built with a copper core center electrode, this spark plug offers excellent heat transfer to help maintain proper operating temperatures and improve durability.\u003c\/p\u003e\n\u003cp data-start=\"460\" data-end=\"759\"\u003eA Black Onyx coating helps protect the plug against corrosion, while the ribbed suppressor seal helps prevent spark flashover and misfires. Nickel-chrome alloy sheathing helps protect the center electrode from corrosion and wear, supporting long-term reliability and consistent ignition performance.\u003c\/p\u003e\n\u003cp data-start=\"761\" data-end=\"985\"\u003eACDelco Professional spark plugs are premium aftermarket replacements engineered to meet expectations for fit, form, and function across a wide range of vehicles. They are also suitable for select marine engine applications.\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1000\"\u003e\u003cstrong data-start=\"987\" data-end=\"1000\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1002\" data-end=\"1469\"\u003e\n\u003cli data-section-id=\"1ks2lys\" data-start=\"1002\" data-end=\"1072\"\u003e\n\u003cp data-start=\"1004\" data-end=\"1072\"\u003eCopper core center electrode improves heat transfer and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vk1c98\" data-start=\"1073\" data-end=\"1118\"\u003e\n\u003cp data-start=\"1075\" data-end=\"1118\"\u003eBlack Onyx coating helps reduce corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13sra57\" data-start=\"1119\" data-end=\"1188\"\u003e\n\u003cp data-start=\"1121\" data-end=\"1188\"\u003eRibbed suppressor seal helps prevent spark flashover and misfires\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xnxuq2\" data-start=\"1189\" data-end=\"1267\"\u003e\n\u003cp data-start=\"1191\" data-end=\"1267\"\u003eNickel-chrome alloy sheathing protects the center electrode from corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19dasu1\" data-start=\"1268\" data-end=\"1324\"\u003e\n\u003cp data-start=\"1270\" data-end=\"1324\"\u003eResistor design helps reduce electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6qjjhs\" data-start=\"1325\" data-end=\"1403\"\u003e\n\u003cp data-start=\"1327\" data-end=\"1403\"\u003ePremium aftermarket replacement designed for reliable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aue195\" data-start=\"1404\" data-end=\"1469\"\u003e\n\u003cp data-start=\"1406\" data-end=\"1469\"\u003eSuitable for automotive and select marine engine applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1471\" data-end=\"1498\"\u003e\u003cstrong data-start=\"1471\" data-end=\"1498\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1500\" data-end=\"2248\"\u003e\n\u003cli data-section-id=\"3fjyuq\" data-start=\"1500\" data-end=\"1523\"\u003e\n\u003cp data-start=\"1502\" data-end=\"1523\"\u003ePart number: R45XLS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cbl41r\" data-start=\"1524\" data-end=\"1562\"\u003e\n\u003cp data-start=\"1526\" data-end=\"1562\"\u003eProduct line: ACDelco Professional\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1563\" data-end=\"1605\"\u003e\n\u003cp data-start=\"1565\" data-end=\"1605\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"paz3t5\" data-start=\"1606\" data-end=\"1653\"\u003e\n\u003cp data-start=\"1608\" data-end=\"1653\"\u003eCenter electrode tip material: Nickel alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3c37w7\" data-start=\"1654\" data-end=\"1691\"\u003e\n\u003cp data-start=\"1656\" data-end=\"1691\"\u003eCenter electrode design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t9w8zf\" data-start=\"1692\" data-end=\"1736\"\u003e\n\u003cp data-start=\"1694\" data-end=\"1736\"\u003eGround electrode configuration: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1737\" data-end=\"1769\"\u003e\n\u003cp data-start=\"1739\" data-end=\"1769\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cdddk6\" data-start=\"1770\" data-end=\"1806\"\u003e\n\u003cp data-start=\"1772\" data-end=\"1806\"\u003eThread diameter: 14 mm (0.55 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163h8t2\" data-start=\"1807\" data-end=\"1826\"\u003e\n\u003cp data-start=\"1809\" data-end=\"1826\"\u003eSeat type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zv682e\" data-start=\"1827\" data-end=\"1856\"\u003e\n\u003cp data-start=\"1829\" data-end=\"1856\"\u003eReach: 0.75 in (19.05 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ynv09y\" data-start=\"1857\" data-end=\"1890\"\u003e\n\u003cp data-start=\"1859\" data-end=\"1890\"\u003eHex size: 13\/16 in (20.62 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1891\" data-end=\"1913\"\u003e\n\u003cp data-start=\"1893\" data-end=\"1913\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cc54tb\" data-start=\"1914\" data-end=\"1953\"\u003e\n\u003cp data-start=\"1916\" data-end=\"1953\"\u003eApproximate resistor value: 2–20 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"101f4ui\" data-start=\"1954\" data-end=\"1989\"\u003e\n\u003cp data-start=\"1956\" data-end=\"1989\"\u003ePre-gap size: 0.04 in (1.02 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17h5lhz\" data-start=\"1990\" data-end=\"2020\"\u003e\n\u003cp data-start=\"1992\" data-end=\"2020\"\u003eManufacturer heat range: 5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vddt5q\" data-start=\"2021\" data-end=\"2050\"\u003e\n\u003cp data-start=\"2023\" data-end=\"2050\"\u003eInsulator material: ES703\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"br79rt\" data-start=\"2051\" data-end=\"2091\"\u003e\n\u003cp data-start=\"2053\" data-end=\"2091\"\u003eInsulator height: 2.23 in (56.52 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wl0n4l\" data-start=\"2092\" data-end=\"2121\"\u003e\n\u003cp data-start=\"2094\" data-end=\"2121\"\u003eWasher type: Crush washer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gbvvjz\" data-start=\"2122\" data-end=\"2146\"\u003e\n\u003cp data-start=\"2124\" data-end=\"2146\"\u003eWasher included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"2147\" data-end=\"2194\"\u003e\n\u003cp data-start=\"2149\" data-end=\"2194\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xksijm\" data-start=\"2195\" data-end=\"2218\"\u003e\n\u003cp data-start=\"2197\" data-end=\"2218\"\u003ePackage quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1o96sia\" data-start=\"2219\" data-end=\"2248\"\u003e\n\u003cp data-start=\"2221\" data-end=\"2248\"\u003eCountry of origin: Mexico\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":46274397208775,"sku":"ELE1862","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10091840.png?v=1773159538","url":"https:\/\/mainstreeteshop.com\/products\/acdelco-professional-copper-spark-plug-r45xls","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}