{"product_id":"autolite-platinum-spark-plug-ap5143","title":"Autolite Platinum Spark Plug – AP5143","description":"\u003cp data-start=\"118\" data-end=\"446\"\u003e\u003cstrong data-start=\"118\" data-end=\"134\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"134\" data-end=\"137\"\u003eThe Autolite AP5143 Platinum Spark Plug is engineered to deliver reliable ignition performance, smoother starts, and improved engine efficiency. Its platinum center electrode firing tip helps prevent gap erosion, ensuring consistent spark delivery and longer service life compared to conventional spark plugs.\u003c\/p\u003e\n\u003cp data-start=\"448\" data-end=\"857\"\u003eA copper core center electrode improves heat transfer and helps maintain proper operating temperatures, reducing the risk of fouling. The high alumina ceramic insulator provides superior electrical insulation and thermal conductivity, helping maintain stable combustion performance. A multi-rib insulator design helps prevent flash-over, while the nickel-plated shell resists corrosion and extends durability.\u003c\/p\u003e\n\u003cp data-start=\"859\" data-end=\"1023\"\u003eAutolite platinum spark plugs are designed to meet performance expectations for many gasoline engines, providing dependable ignition and efficient engine operation.\u003c\/p\u003e\n\u003cp data-start=\"1025\" data-end=\"1038\"\u003e\u003cstrong data-start=\"1025\" data-end=\"1038\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1040\" data-end=\"1444\"\u003e\n\u003cli data-section-id=\"qceu0y\" data-start=\"1040\" data-end=\"1129\"\u003e\n\u003cp data-start=\"1042\" data-end=\"1129\"\u003ePlatinum center electrode firing tip helps resist gap erosion for longer service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"50w2va\" data-start=\"1130\" data-end=\"1208\"\u003e\n\u003cp data-start=\"1132\" data-end=\"1208\"\u003eCopper core center electrode improves heat transfer and fouling resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gr1uch\" data-start=\"1209\" data-end=\"1295\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1295\"\u003eMulti-rib ceramic insulator helps prevent flash-over for consistent spark delivery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t49u81\" data-start=\"1296\" data-end=\"1373\"\u003e\n\u003cp data-start=\"1298\" data-end=\"1373\"\u003eHigh alumina ceramic insulator enhances strength and thermal conductivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dpriyg\" data-start=\"1374\" data-end=\"1444\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1444\"\u003eNickel-plated shell helps resist corrosion for extended durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1446\" data-end=\"1473\"\u003e\u003cstrong data-start=\"1446\" data-end=\"1473\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1475\" data-end=\"2198\"\u003e\n\u003cli data-section-id=\"dg6kpg\" data-start=\"1475\" data-end=\"1498\"\u003e\n\u003cp data-start=\"1477\" data-end=\"1498\"\u003ePart number: AP5143\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1499\" data-end=\"1518\"\u003e\n\u003cp data-start=\"1501\" data-end=\"1518\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vnl5fm\" data-start=\"1519\" data-end=\"1556\"\u003e\n\u003cp data-start=\"1521\" data-end=\"1556\"\u003eProduct type: Platinum spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1557\" data-end=\"1599\"\u003e\n\u003cp data-start=\"1559\" data-end=\"1599\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ldp2q6\" data-start=\"1600\" data-end=\"1643\"\u003e\n\u003cp data-start=\"1602\" data-end=\"1643\"\u003eCenter electrode tip material: Platinum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3au8g6\" data-start=\"1644\" data-end=\"1686\"\u003e\n\u003cp data-start=\"1646\" data-end=\"1686\"\u003eGround electrode core material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17jmp0w\" data-start=\"1687\" data-end=\"1728\"\u003e\n\u003cp data-start=\"1689\" data-end=\"1728\"\u003eGround electrode tip material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ibjk3h\" data-start=\"1729\" data-end=\"1761\"\u003e\n\u003cp data-start=\"1731\" data-end=\"1761\"\u003eGround configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1762\" data-end=\"1794\"\u003e\n\u003cp data-start=\"1764\" data-end=\"1794\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r5af6m\" data-start=\"1795\" data-end=\"1821\"\u003e\n\u003cp data-start=\"1797\" data-end=\"1821\"\u003eThread diameter: 14 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vqolju\" data-start=\"1822\" data-end=\"1844\"\u003e\n\u003cp data-start=\"1824\" data-end=\"1844\"\u003eSeat type: Tapered\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rfiaup\" data-start=\"1845\" data-end=\"1868\"\u003e\n\u003cp data-start=\"1847\" data-end=\"1868\"\u003eWasher included: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3mh7r\" data-start=\"1869\" data-end=\"1888\"\u003e\n\u003cp data-start=\"1871\" data-end=\"1888\"\u003eReach: 0.809 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5tphr9\" data-start=\"1889\" data-end=\"1908\"\u003e\n\u003cp data-start=\"1891\" data-end=\"1908\"\u003eHex size: 16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"1909\" data-end=\"1931\"\u003e\n\u003cp data-start=\"1911\" data-end=\"1931\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gwnm18\" data-start=\"1932\" data-end=\"1957\"\u003e\n\u003cp data-start=\"1934\" data-end=\"1957\"\u003eResistance: 4000 ohms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16wx1j7\" data-start=\"1958\" data-end=\"1984\"\u003e\n\u003cp data-start=\"1960\" data-end=\"1984\"\u003ePre-gap size: 0.054 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e3s5kz\" data-start=\"1985\" data-end=\"2016\"\u003e\n\u003cp data-start=\"1987\" data-end=\"2016\"\u003eManufacturer heat range: 10\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"2017\" data-end=\"2048\"\u003e\n\u003cp data-start=\"2019\" data-end=\"2048\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3c37w7\" data-start=\"2049\" data-end=\"2086\"\u003e\n\u003cp data-start=\"2051\" data-end=\"2086\"\u003eCenter electrode design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sx1zuc\" data-start=\"2087\" data-end=\"2135\"\u003e\n\u003cp data-start=\"2089\" data-end=\"2135\"\u003eCenter electrode projection: Long projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"2136\" data-end=\"2183\"\u003e\n\u003cp data-start=\"2138\" data-end=\"2183\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb0oei\" data-start=\"2184\" data-end=\"2198\"\u003e\n\u003cp data-start=\"2186\" data-end=\"2198\"\u003eSkirt: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46279563083975,"sku":"ELE1912","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-10165800_51eab64a-9474-41ce-8035-2f58b85970c0.png?v=1773254729","url":"https:\/\/mainstreeteshop.com\/products\/autolite-platinum-spark-plug-ap5143","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}