{"product_id":"autolite-double-platinum-spark-plug-app3923","title":"Autolite Double Platinum Spark Plug – APP3923","description":"\u003cp data-start=\"133\" data-end=\"479\"\u003e\u003cstrong data-start=\"133\" data-end=\"149\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-start=\"149\" data-end=\"152\"\u003eThe Autolite APP3923 Double Platinum Spark Plug is engineered to deliver reliable ignition performance, reduced misfires, and extended service life. Its platinum-to-platinum firing design places platinum pads on both the center and ground electrodes, helping reduce gap erosion and maintain consistent spark delivery over time.\u003c\/p\u003e\n\u003cp data-start=\"481\" data-end=\"963\"\u003eA copper core center electrode enhances heat transfer, helping maintain proper operating temperatures and reduce fouling. The yttrium-enhanced ground electrode improves durability under high temperatures and pressure, making it well-suited for distributorless ignition system (DIS) engines. The high alumina ceramic insulator provides excellent dielectric strength and thermal conductivity, while the multi-rib insulator helps prevent flash-over for dependable ignition performance.\u003c\/p\u003e\n\u003cp data-start=\"965\" data-end=\"1125\"\u003eAutolite double platinum spark plugs are designed to deliver long-lasting reliability and consistent ignition performance for many gasoline engine applications.\u003c\/p\u003e\n\u003cp data-start=\"1127\" data-end=\"1140\"\u003e\u003cstrong data-start=\"1127\" data-end=\"1140\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1142\" data-end=\"1558\"\u003e\n\u003cli data-section-id=\"xmod9z\" data-start=\"1142\" data-end=\"1228\"\u003e\n\u003cp data-start=\"1144\" data-end=\"1228\"\u003ePlatinum-to-platinum firing design reduces gap erosion and extends spark plug life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"50w2va\" data-start=\"1229\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1231\" data-end=\"1307\"\u003eCopper core center electrode improves heat transfer and fouling resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6rdyyd\" data-start=\"1308\" data-end=\"1395\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1395\"\u003eYttrium-enhanced ground electrode increases durability under high heat and pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rxcgck\" data-start=\"1396\" data-end=\"1475\"\u003e\n\u003cp data-start=\"1398\" data-end=\"1475\"\u003eHigh alumina ceramic insulator improves thermal conductivity and insulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1svf9sx\" data-start=\"1476\" data-end=\"1558\"\u003e\n\u003cp data-start=\"1478\" data-end=\"1558\"\u003eMulti-rib insulator helps prevent flash-over for reliable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1560\" data-end=\"1587\"\u003e\u003cstrong data-start=\"1560\" data-end=\"1587\"\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1589\" data-end=\"2319\"\u003e\n\u003cli data-section-id=\"pdn3ho\" data-start=\"1589\" data-end=\"1613\"\u003e\n\u003cp data-start=\"1591\" data-end=\"1613\"\u003ePart number: APP3923\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t1nkhe\" data-start=\"1614\" data-end=\"1633\"\u003e\n\u003cp data-start=\"1616\" data-end=\"1633\"\u003eBrand: Autolite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10px3jr\" data-start=\"1634\" data-end=\"1678\"\u003e\n\u003cp data-start=\"1636\" data-end=\"1678\"\u003eProduct type: Double platinum spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x3vjbp\" data-start=\"1679\" data-end=\"1721\"\u003e\n\u003cp data-start=\"1681\" data-end=\"1721\"\u003eCenter electrode core material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ldp2q6\" data-start=\"1722\" data-end=\"1765\"\u003e\n\u003cp data-start=\"1724\" data-end=\"1765\"\u003eCenter electrode tip material: Platinum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3au8g6\" data-start=\"1766\" data-end=\"1808\"\u003e\n\u003cp data-start=\"1768\" data-end=\"1808\"\u003eGround electrode core material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wgawxs\" data-start=\"1809\" data-end=\"1852\"\u003e\n\u003cp data-start=\"1811\" data-end=\"1852\"\u003eGround electrode tip material: Platinum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ibjk3h\" data-start=\"1853\" data-end=\"1885\"\u003e\n\u003cp data-start=\"1855\" data-end=\"1885\"\u003eGround configuration: Single\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"55pk7u\" data-start=\"1886\" data-end=\"1918\"\u003e\n\u003cp data-start=\"1888\" data-end=\"1918\"\u003eGround electrode quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r5af6m\" data-start=\"1919\" data-end=\"1945\"\u003e\n\u003cp data-start=\"1921\" data-end=\"1945\"\u003eThread diameter: 14 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163h8t2\" data-start=\"1946\" data-end=\"1965\"\u003e\n\u003cp data-start=\"1948\" data-end=\"1965\"\u003eSeat type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gbvvjz\" data-start=\"1966\" data-end=\"1990\"\u003e\n\u003cp data-start=\"1968\" data-end=\"1990\"\u003eWasher included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"palr3o\" data-start=\"1991\" data-end=\"2009\"\u003e\n\u003cp data-start=\"1993\" data-end=\"2009\"\u003eReach: 0.75 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5tphr9\" data-start=\"2010\" data-end=\"2029\"\u003e\n\u003cp data-start=\"2012\" data-end=\"2029\"\u003eHex size: 16 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dujk1e\" data-start=\"2030\" data-end=\"2052\"\u003e\n\u003cp data-start=\"2032\" data-end=\"2052\"\u003eResistor type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gwnm18\" data-start=\"2053\" data-end=\"2078\"\u003e\n\u003cp data-start=\"2055\" data-end=\"2078\"\u003eResistance: 4000 ohms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17c2gol\" data-start=\"2079\" data-end=\"2106\"\u003e\n\u003cp data-start=\"2081\" data-end=\"2106\"\u003ePre-gap size: 1.1176 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e3s5kz\" data-start=\"2107\" data-end=\"2138\"\u003e\n\u003cp data-start=\"2109\" data-end=\"2138\"\u003eManufacturer heat range: 10\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sjdq26\" data-start=\"2139\" data-end=\"2170\"\u003e\n\u003cp data-start=\"2141\" data-end=\"2170\"\u003eInsulator material: Ceramic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3c37w7\" data-start=\"2171\" data-end=\"2208\"\u003e\n\u003cp data-start=\"2173\" data-end=\"2208\"\u003eCenter electrode design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11yt6xq\" data-start=\"2209\" data-end=\"2256\"\u003e\n\u003cp data-start=\"2211\" data-end=\"2256\"\u003eCenter electrode projection: Mid projection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b7wdfo\" data-start=\"2257\" data-end=\"2304\"\u003e\n\u003cp data-start=\"2259\" data-end=\"2304\"\u003eElectrical terminal type: Non-removable nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb0oei\" data-start=\"2305\" data-end=\"2319\"\u003e\n\u003cp data-start=\"2307\" data-end=\"2319\"\u003eSkirt: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AUTOLITE","offers":[{"title":"Default Title","offer_id":46280453030087,"sku":"ELE1922","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-11142247_2a6619d3-403c-4635-b262-578e821167df.png?v=1773264466","url":"https:\/\/mainstreeteshop.com\/products\/autolite-double-platinum-spark-plug-app3923","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}