{"product_id":"ngk-4339-dcpr8e-nickel-spark-plug-removable-terminal-nut","title":"NGK 4339 DCPR8E Nickel Spark Plug (Removable Terminal Nut)","description":"\u003ch3 data-section-id=\"hxsibk\" data-start=\"69\" data-end=\"86\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"87\" data-end=\"421\"\u003eThe NGK 4339 DCPR8E is a standard OE-style nickel spark plug designed for dependable performance across automotive and powersports applications. Built with NGK’s proven “yellow box” technology, it features a durable nickel alloy center electrode and a 98% pure copper core for efficient heat dissipation and consistent spark delivery.\u003c\/p\u003e\n\u003cp data-start=\"423\" data-end=\"738\"\u003eEngineered for OE compatibility, this plug ensures reliable ignition, smooth operation, and long service life in engines originally equipped with nickel plugs. Its trivalent metal plating resists corrosion and seizing, while the triple gasket sealing process prevents combustion gas leakage for optimal performance.\u003c\/p\u003e\n\u003chr data-start=\"740\" data-end=\"743\"\u003e\n\u003ch3 data-section-id=\"1sboupi\" data-start=\"745\" data-end=\"763\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"764\" data-end=\"1182\"\u003e\n\u003cli data-section-id=\"16hgo65\" data-start=\"764\" data-end=\"838\"\u003eOE-equivalent nickel alloy center electrode for consistent performance\u003c\/li\u003e\n\u003cli data-section-id=\"9zopcd\" data-start=\"839\" data-end=\"886\"\u003eRemovable terminal nut for flexible fitment\u003c\/li\u003e\n\u003cli data-section-id=\"1q79pqb\" data-start=\"887\" data-end=\"938\"\u003e98% pure copper core for superior heat transfer\u003c\/li\u003e\n\u003cli data-section-id=\"3sayxf\" data-start=\"939\" data-end=\"992\"\u003eTriple sealing design prevents combustion leakage\u003c\/li\u003e\n\u003cli data-section-id=\"16ysvms\" data-start=\"993\" data-end=\"1061\"\u003eTrivalent plating for anti-corrosion and anti-seizing protection\u003c\/li\u003e\n\u003cli data-section-id=\"1lslcr1\" data-start=\"1062\" data-end=\"1128\"\u003eHigh-grade ceramic insulator for strength and heat dissipation\u003c\/li\u003e\n\u003cli data-section-id=\"lcal5v\" data-start=\"1129\" data-end=\"1182\"\u003eIdeal for engines requiring standard nickel plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1184\" data-end=\"1187\"\u003e\n\u003ch3 data-section-id=\"e5mrjc\" data-start=\"1189\" data-end=\"1209\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp data-start=\"1211\" data-end=\"1222\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1222\"\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1223\" data-end=\"1330\"\u003e\n\u003cli data-section-id=\"uaipni\" data-start=\"1223\" data-end=\"1246\"\u003ePart Number: DCPR8E\u003c\/li\u003e\n\u003cli data-section-id=\"s5a94s\" data-start=\"1247\" data-end=\"1269\"\u003eStock Number: 4339\u003c\/li\u003e\n\u003cli data-section-id=\"rrhcr1\" data-start=\"1270\" data-end=\"1287\"\u003eHeat Range: 8\u003c\/li\u003e\n\u003cli data-section-id=\"odlz33\" data-start=\"1288\" data-end=\"1314\"\u003eResistor: Yes (5k Ohm)\u003c\/li\u003e\n\u003cli data-section-id=\"1g0m8el\" data-start=\"1315\" data-end=\"1330\"\u003eGap: 0.7 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1332\" data-end=\"1341\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1341\"\u003eShell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1342\" data-end=\"1472\"\u003e\n\u003cli data-section-id=\"1jlyrqv\" data-start=\"1342\" data-end=\"1369\"\u003eThread Size: M12 x 1.25\u003c\/li\u003e\n\u003cli data-section-id=\"p65b94\" data-start=\"1370\" data-end=\"1398\"\u003eSeat Type: Flat (Gasket)\u003c\/li\u003e\n\u003cli data-section-id=\"ftj7p5\" data-start=\"1399\" data-end=\"1417\"\u003eReach: 19.0 mm\u003c\/li\u003e\n\u003cli data-section-id=\"m7gk6c\" data-start=\"1418\" data-end=\"1444\"\u003eHex Size: 5\/8\" (16 mm)\u003c\/li\u003e\n\u003cli data-section-id=\"1erxmy8\" data-start=\"1445\" data-end=\"1472\"\u003eTerminal: Removable Nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1474\" data-end=\"1488\"\u003e\u003cstrong data-start=\"1474\" data-end=\"1488\"\u003eElectrodes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1489\" data-end=\"1615\"\u003e\n\u003cli data-section-id=\"17yut90\" data-start=\"1489\" data-end=\"1530\"\u003eCenter Electrode: Nickel, copper core\u003c\/li\u003e\n\u003cli data-section-id=\"1egn37a\" data-start=\"1531\" data-end=\"1559\"\u003eGround Electrode: Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"r7e56b\" data-start=\"1560\" data-end=\"1584\"\u003eConfiguration: J-Gap\u003c\/li\u003e\n\u003cli data-section-id=\"vlp78y\" data-start=\"1585\" data-end=\"1615\"\u003eProjection: Mid Projection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1617\" data-end=\"1620\"\u003e\n\u003ch3 data-section-id=\"biql0s\" data-start=\"1622\" data-end=\"1646\"\u003eFitment Highlights\u003c\/h3\u003e\n\u003cp data-start=\"1648\" data-end=\"1655\"\u003e\u003cstrong data-start=\"1648\" data-end=\"1655\"\u003eBMW\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1656\" data-end=\"1750\"\u003e\n\u003cli data-section-id=\"1k0srs0\" data-start=\"1656\" data-end=\"1679\"\u003eM3 (2001–2006) 3.2L\u003c\/li\u003e\n\u003cli data-section-id=\"1wmd8hf\" data-start=\"1680\" data-end=\"1703\"\u003eZ3 (2001–2002) 3.2L\u003c\/li\u003e\n\u003cli data-section-id=\"1tyq6ux\" data-start=\"1704\" data-end=\"1727\"\u003eZ4 (2006–2008) 3.2L\u003c\/li\u003e\n\u003cli data-section-id=\"eatrwa\" data-start=\"1728\" data-end=\"1750\"\u003eF650GS (2006–2007)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1752\" data-end=\"1762\"\u003e\u003cstrong data-start=\"1752\" data-end=\"1762\"\u003eDucati\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1763\" data-end=\"1900\"\u003e\n\u003cli data-section-id=\"immswj\" data-start=\"1763\" data-end=\"1818\"\u003eMonster series (400 \/ 620 \/ 750 \/ 800 \/ 900 \/ 1000)\u003c\/li\u003e\n\u003cli data-section-id=\"1rnfm65\" data-start=\"1819\" data-end=\"1848\"\u003eMultistrada 620 \/ 1000 DS\u003c\/li\u003e\n\u003cli data-section-id=\"1voclm0\" data-start=\"1849\" data-end=\"1868\"\u003eST2 (1997–2003)\u003c\/li\u003e\n\u003cli data-section-id=\"1n10hiz\" data-start=\"1869\" data-end=\"1900\"\u003eVarious 800cc–1000cc models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1902\" data-end=\"1909\"\u003e\u003cstrong data-start=\"1902\" data-end=\"1909\"\u003eKTM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1910\" data-end=\"1996\"\u003e\n\u003cli data-section-id=\"pf3er6\" data-start=\"1910\" data-end=\"1960\"\u003e250 \/ 400 \/ 450 \/ 525 EXC, SX, MXC (2003–2007)\u003c\/li\u003e\n\u003cli data-section-id=\"1iup5fk\" data-start=\"1961\" data-end=\"1996\"\u003e620 LC4, 625 SXC, 990 Adventure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1998\" data-end=\"2007\"\u003e\u003cstrong data-start=\"1998\" data-end=\"2007\"\u003eOther\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2008\" data-end=\"2046\"\u003e\n\u003cli data-section-id=\"jf9lfy\" data-start=\"2008\" data-end=\"2046\"\u003eLamborghini Diablo (1990 V12 5.7L)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2048\" data-end=\"2051\"\u003e\n\u003ch3 data-section-id=\"309kgt\" data-start=\"2053\" data-end=\"2076\"\u003ePerformance Notes\u003c\/h3\u003e\n\u003cul data-start=\"2077\" data-end=\"2308\"\u003e\n\u003cli data-section-id=\"5anl49\" data-start=\"2077\" data-end=\"2176\"\u003eHigher heat range (8) = \u003cstrong data-start=\"2103\" data-end=\"2118\"\u003ecolder plug\u003c\/strong\u003e, ideal for high-performance or high-temperature engines\u003c\/li\u003e\n\u003cli data-section-id=\"1cut9hw\" data-start=\"2177\" data-end=\"2236\"\u003eBest suited for OEM applications requiring nickel plugs\u003c\/li\u003e\n\u003cli data-section-id=\"1hofgap\" data-start=\"2237\" data-end=\"2308\"\u003eNot recommended for vehicles designed for platinum or iridium plugs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":46440172093639,"sku":"ELE2166","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-04-23102317.png?v=1776965004","url":"https:\/\/mainstreeteshop.com\/products\/ngk-4339-dcpr8e-nickel-spark-plug-removable-terminal-nut","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}