{"product_id":"motorcraft-spark-plug-sp-504","title":"Motorcraft Spark Plug SP-504","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"188\" data-end=\"202\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"203\" data-end=\"638\"\u003eThe \u003cstrong data-start=\"207\" data-end=\"239\"\u003eMotorcraft Spark Plug SP-504\u003c\/strong\u003e is engineered to deliver dependable ignition performance, durability, and proper OEM-style fitment across a range of Ford and Mercury gasoline engine applications. Designed with a \u003cstrong data-start=\"420\" data-end=\"452\"\u003enickel center electrode core\u003c\/strong\u003e, \u003cstrong data-start=\"454\" data-end=\"487\"\u003eplatinum center electrode tip\u003c\/strong\u003e, and \u003cstrong data-start=\"493\" data-end=\"524\"\u003enickel ground electrode tip\u003c\/strong\u003e, this spark plug helps support long-term wear resistance, consistent spark delivery, and stable engine operation.\u003c\/p\u003e\n\u003cp data-start=\"640\" data-end=\"982\"\u003eBuilt to Motorcraft standards, the SP-504 is designed to help reduce misfires, support fuel efficiency, and maintain reliable combustion performance in both passenger vehicle and light truck applications. Its precision construction makes it a practical replacement spark plug for maintaining proper ignition performance in compatible engines.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"984\" data-end=\"995\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"996\" data-end=\"1611\"\u003e\n\u003cli data-section-id=\"1uox2bj\" data-start=\"996\" data-end=\"1042\"\u003eMotorcraft spark plug part number \u003cstrong data-start=\"1032\" data-end=\"1042\"\u003eSP-504\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"n76eln\" data-start=\"1043\" data-end=\"1098\"\u003ePlatinum center electrode tip for enhanced durability\u003c\/li\u003e\n\u003cli data-section-id=\"xaqtjd\" data-start=\"1099\" data-end=\"1157\"\u003eNickel center electrode core for dependable conductivity\u003c\/li\u003e\n\u003cli data-section-id=\"1p8i0ze\" data-start=\"1158\" data-end=\"1212\"\u003eNickel ground electrode tip for reliable performance\u003c\/li\u003e\n\u003cli data-section-id=\"vrei3z\" data-start=\"1213\" data-end=\"1254\"\u003eDesigned for OEM-style fit and function\u003c\/li\u003e\n\u003cli data-section-id=\"14u3jy5\" data-start=\"1255\" data-end=\"1318\"\u003eHelps support consistent spark delivery and stable combustion\u003c\/li\u003e\n\u003cli data-section-id=\"3uddmw\" data-start=\"1319\" data-end=\"1402\"\u003eBuilt for dependable ignition performance across compatible gasoline applications\u003c\/li\u003e\n\u003cli data-section-id=\"lg8bfs\" data-start=\"1403\" data-end=\"1447\"\u003e\n\u003cstrong data-start=\"1405\" data-end=\"1440\"\u003eCenter Electrode Core Material:\u003c\/strong\u003e Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"1gtgini\" data-start=\"1448\" data-end=\"1493\"\u003e\n\u003cstrong data-start=\"1450\" data-end=\"1484\"\u003eCenter Electrode Tip Material:\u003c\/strong\u003e Platinum\u003c\/li\u003e\n\u003cli data-section-id=\"3flc0g\" data-start=\"1494\" data-end=\"1537\"\u003e\n\u003cstrong data-start=\"1496\" data-end=\"1530\"\u003eGround Electrode Tip Material:\u003c\/strong\u003e Nickel\u003c\/li\u003e\n\u003cli data-section-id=\"161ygrd\" data-start=\"1538\" data-end=\"1558\"\u003e\n\u003cstrong data-start=\"1540\" data-end=\"1553\"\u003eHex Size:\u003c\/strong\u003e 0.63\u003c\/li\u003e\n\u003cli data-section-id=\"zpa8bb\" data-start=\"1559\" data-end=\"1587\"\u003e\n\u003cstrong data-start=\"1561\" data-end=\"1582\"\u003eInsulator Height:\u003c\/strong\u003e 2.03\u003c\/li\u003e\n\u003cli data-section-id=\"nalu00\" data-start=\"1588\" data-end=\"1611\"\u003e\n\u003cstrong data-start=\"1590\" data-end=\"1600\"\u003eBrand:\u003c\/strong\u003e Motorcraft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"1613\" data-end=\"1623\"\u003eFitment\u003c\/h2\u003e\n\u003cul data-start=\"1624\" data-end=\"2356\"\u003e\n\u003cli data-section-id=\"o5xc3r\" data-start=\"1624\" data-end=\"1656\"\u003e\n\u003cstrong data-start=\"1626\" data-end=\"1640\"\u003eFord E-150\u003c\/strong\u003e: 2003 – V6 4.2L\u003c\/li\u003e\n\u003cli data-section-id=\"1y3ogcv\" data-start=\"1657\" data-end=\"1700\"\u003e\n\u003cstrong data-start=\"1659\" data-end=\"1684\"\u003eFord E-150 Club Wagon\u003c\/strong\u003e: 2003 – V6 4.2L\u003c\/li\u003e\n\u003cli data-section-id=\"1arzwwq\" data-start=\"1701\" data-end=\"1748\"\u003e\n\u003cstrong data-start=\"1703\" data-end=\"1727\"\u003eFord E-150 Econoline\u003c\/strong\u003e: 1998–2002 – V6 4.2L\u003c\/li\u003e\n\u003cli data-section-id=\"11jp3yq\" data-start=\"1749\" data-end=\"1807\"\u003e\n\u003cstrong data-start=\"1751\" data-end=\"1786\"\u003eFord E-150 Econoline Club Wagon\u003c\/strong\u003e: 1998–2002 – V6 4.2L\u003c\/li\u003e\n\u003cli data-section-id=\"8rpq0p\" data-start=\"1808\" data-end=\"1855\"\u003e\n\u003cstrong data-start=\"1810\" data-end=\"1834\"\u003eFord E-250 Econoline\u003c\/strong\u003e: 1998–2002 – V6 4.2L\u003c\/li\u003e\n\u003cli data-section-id=\"5q9pqa\" data-start=\"1857\" data-end=\"1896\"\u003e\n\u003cstrong data-start=\"1859\" data-end=\"1871\"\u003eFord EXP\u003c\/strong\u003e: 1987–1988 – L4 1.9L TBI\u003c\/li\u003e\n\u003cli data-section-id=\"y1wmee\" data-start=\"1897\" data-end=\"1986\"\u003e\n\u003cstrong data-start=\"1899\" data-end=\"1914\"\u003eFord Escort\u003c\/strong\u003e: 1987–1990 – L4 1.9L TBI; 1991–1996 – L4 1.9L; 1997–2002 – SOHC L4 2.0L\u003c\/li\u003e\n\u003cli data-section-id=\"156mgad\" data-start=\"1987\" data-end=\"2024\"\u003e\n\u003cstrong data-start=\"1989\" data-end=\"2003\"\u003eFord F-150\u003c\/strong\u003e: 1998–2008 – V6 4.2L\u003c\/li\u003e\n\u003cli data-section-id=\"niipk2\" data-start=\"2025\" data-end=\"2066\"\u003e\n\u003cstrong data-start=\"2027\" data-end=\"2050\"\u003eFord F-150 Heritage\u003c\/strong\u003e: 2004 – V6 4.2L\u003c\/li\u003e\n\u003cli data-section-id=\"1bzj0p6\" data-start=\"2067\" data-end=\"2109\"\u003e\n\u003cstrong data-start=\"2069\" data-end=\"2083\"\u003eFord Focus\u003c\/strong\u003e: 2000–2004 – SOHC L4 2.0L\u003c\/li\u003e\n\u003cli data-section-id=\"znrcj8\" data-start=\"2110\" data-end=\"2188\"\u003e\n\u003cstrong data-start=\"2112\" data-end=\"2132\"\u003eFord Thunderbird\u003c\/strong\u003e: 1989–1995 – Supercharged V6 3.8L \/ Super Coupe V6 3.8L\u003c\/li\u003e\n\u003cli data-section-id=\"1ahwn28\" data-start=\"2190\" data-end=\"2254\"\u003e\n\u003cstrong data-start=\"2192\" data-end=\"2210\"\u003eMercury Cougar\u003c\/strong\u003e: 1989–1990 – Supercharged V6 3.8L \/ V6 3.8L\u003c\/li\u003e\n\u003cli data-section-id=\"1qnxr3j\" data-start=\"2255\" data-end=\"2293\"\u003e\n\u003cstrong data-start=\"2257\" data-end=\"2273\"\u003eMercury Lynx\u003c\/strong\u003e: 1987 – L4 1.9L TBI\u003c\/li\u003e\n\u003cli data-section-id=\"kmp6ny\" data-start=\"2294\" data-end=\"2356\"\u003e\n\u003cstrong data-start=\"2296\" data-end=\"2314\"\u003eMercury Tracer\u003c\/strong\u003e: 1991–1996 – L4 1.9L; 1997–1999 – L4 2.0L\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MOTORCRAFT","offers":[{"title":"Default Title","offer_id":46434816426183,"sku":"ELE2107","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-04-21103004.png?v=1776792661","url":"https:\/\/mainstreeteshop.com\/products\/motorcraft-spark-plug-sp-504","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}